Heart Shape

Express natural beauty and heartfelt elegance with our Natural Seam Agate Heart Shape Cabochon from Pedra Gems — a beautifully proportioned 29x27x5 mm gemstone weighing 27.5carats, cut into a deep, upright heart silhouette that radiates warmth, romance and natural character.

At 29x27mm this heart is 5mm taller than wide — a proportion that produces one of the most naturally satisfying and recognisable heart silhouettes in the Pedra Gems collection. The lobes are full and rounded at the top, flowing gracefully downward to a strong, decisive central point that gives the heart its most classic and timeless form.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 29x27x5 mm
• Weight: 27.5 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Classic heart pendant & necklace designs
• Wire wrapping & heart bezel settings
• Statement heart ring centrepiece
• Valentine's Day & anniversary jewellery
• Crystal healing & heart chakra work
• Meaningful romantic gift for gemstone lovers
• Bridal & occasion jewellery making
• Everyday wearable heart pendant

✦ Why This Heart?
The 29x27mm proportions give this heart a naturally upright, deep character — the extra 2mm of height over width creates full, generous lobes at the top and a confident downward point that is deeply satisfying in both pendant and ring settings.

At 27.5 carats this stone sits in the ideal mid-size range — substantial enough to feel genuinely meaningful and premium as a gift or pendant centrepiece, yet light and compact enough for comfortable everyday wear. It is the sweet spot between the dainty small hearts and the bold large statement pieces in the Pedra Gems collection.

The 5mm dome adds excellent depth and warm light play across the polished natural agate surface — a classic dome height that gives this heart beautiful visual presence from every angle.

✦ Your Pedra Gems Heart Collection:
With over 10 heart listings, Pedra Gems offers one of the most comprehensive natural agate heart ranges available. This 29x27mm stone is a classic mid-size upright heart — larger and more substantial than our small hearts (29x27mm) yet more intimate and wearable than our large statement hearts (29x27)

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones from Pedra Gems share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a powerful stone for heart chakra work — promoting love, compassion, emotional balance and inner strength.

Order today from Pedra Gems and receive a hand-selected natural gemstone — fully polished, flat-backed, and ready to become the heartfelt centrepiece of your next beautiful creation.

Express natural beauty and heartfelt elegance with our Natural Seam Agate Heart Shape Cabochon from Pedra Gems — a beautifully proportioned 21x20x5 mm gemstone weighing 18.5carats, cut into a deep, upright heart silhouette that radiates warmth, romance and natural character.

At 21x20mm this heart is 5mm taller than wide — a proportion that produces one of the most naturally satisfying and recognisable heart silhouettes in the Pedra Gems collection. The lobes are full and rounded at the top, flowing gracefully downward to a strong, decisive central point that gives the heart its most classic and timeless form.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 21x20x5 mm
• Weight: 18.5 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Classic heart pendant & necklace designs
• Wire wrapping & heart bezel settings
• Statement heart ring centrepiece
• Valentine's Day & anniversary jewellery
• Crystal healing & heart chakra work
• Meaningful romantic gift for gemstone lovers
• Bridal & occasion jewellery making
• Everyday wearable heart pendant

✦ Why This Heart?
The 21x20mm proportions give this heart a naturally upright, deep character — the extra 2mm of height over width creates full, generous lobes at the top and a confident downward point that is deeply satisfying in both pendant and ring settings.

At 18.5 carats this stone sits in the ideal mid-size range — substantial enough to feel genuinely meaningful and premium as a gift or pendant centrepiece, yet light and compact enough for comfortable everyday wear. It is the sweet spot between the dainty small hearts and the bold large statement pieces in the Pedra Gems collection.

The 5mm dome adds excellent depth and warm light play across the polished natural agate surface — a classic dome height that gives this heart beautiful visual presence from every angle.

✦ Your Pedra Gems Heart Collection:
With over 10 heart listings, Pedra Gems offers one of the most comprehensive natural agate heart ranges available. This 21x20mm stone is a classic mid-size upright heart — larger and more substantial than our small hearts (21x20mm) yet more intimate and wearable than our large statement hearts (21x20)

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones from Pedra Gems share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a powerful stone for heart chakra work — promoting love, compassion, emotional balance and inner strength.

Order today from Pedra Gems and receive a hand-selected natural gemstone — fully polished, flat-backed, and ready to become the heartfelt centrepiece of your next beautiful creation.

Express natural beauty and heartfelt elegance with our Natural Seam Agate Heart Shape Cabochon from Pedra Gems — a beautifully proportioned 19x21x5mm gemstone weighing 15 carats, cut into a deep, upright heart silhouette that radiates warmth, romance and natural character.

At 19x21mm this heart is 2mm taller than wide — a proportion that produces one of the most naturally satisfying and recognisable heart silhouettes in the Pedra Gems collection. The lobes are full and rounded at the top, flowing gracefully downward to a strong, decisive central point that gives the heart its most classic and timeless form.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 19 x 21 x 5 mm
• Weight: 15 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Classic heart pendant & necklace designs
• Wire wrapping & heart bezel settings
• Statement heart ring centrepiece
• Valentine's Day & anniversary jewellery
• Crystal healing & heart chakra work
• Meaningful romantic gift for gemstone lovers
• Bridal & occasion jewellery making
• Everyday wearable heart pendant

✦ Why This Heart?
The 19x21mm proportions give this heart a naturally upright, deep character — the extra 2mm of height over width creates full, generous lobes at the top and a confident downward point that is deeply satisfying in both pendant and ring settings.

At 15 carats this stone sits in the ideal mid-size range — substantial enough to feel genuinely meaningful and premium as a gift or pendant centrepiece, yet light and compact enough for comfortable everyday wear. It is the sweet spot between the dainty small hearts and the bold large statement pieces in the Pedra Gems collection.

The 5mm dome adds excellent depth and warm light play across the polished natural agate surface — a classic dome height that gives this heart beautiful visual presence from every angle.

✦ Your Pedra Gems Heart Collection:
With over 10 heart listings, Pedra Gems offers one of the most comprehensive natural agate heart ranges available. This 19×21mm stone is a classic mid-size upright heart — larger and more substantial than our small hearts (13×14mm, 15×16mm) yet more intimate and wearable than our large statement hearts (24×25mm, 26×29mm).

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones from Pedra Gems share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a powerful stone for heart chakra work — promoting love, compassion, emotional balance and inner strength.

Order today from Pedra Gems and receive a hand-selected natural gemstone — fully polished, flat-backed, and ready to become the heartfelt centrepiece of your next beautiful creation.

Discover a heartfelt natural treasure from Pedra Gems — our Natural Seam Agate Heart Shape Cabochon, a beautifully proportioned 21x24x4mm gemstone weighing 14.5 carats, cut into a full, upright heart silhouette that radiates warmth, balance and natural beauty.

At 21x24mm this heart is almost perfectly square in its proportions — just 1mm taller than wide — producing one of the fullest, most satisfying heart silhouettes in our collection. The lobes are deep and rounded at the top, flowing down to a strong, decisive central point that gives the heart its most classic and universally recognised form.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 21 x 24 x 4 mm
• Weight: 14.5 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Statement heart pendant & necklace designs
• Wire wrapping & heart bezel settings
• Statement heart ring centrepiece
• Valentine's Day & anniversary jewellery
• Crystal healing & heart chakra work
• Meaningful gift for gemstone lovers
• Bridal & romantic jewellery making
• Bespoke commission jewellery centrepiece

✦ Why This Heart?
The near-square 21x24mm proportions place this stone in the sweet spot of the Pedra Gems heart collection — larger and more substantial than our mid-size hearts (19×19mm, 20×19mm) yet more intimate and refined than our larger statement pieces (24×25mm, 26×29mm).

At 14.5 carats this is a confident, premium-weight stone. Heavy enough to feel truly special in the hand and meaningful as a gift, yet perfectly proportioned for comfortable everyday pendant wear. The 5mm dome adds excellent depth and rich natural light play across the polished surface.

The slightly taller-than-wide proportion — just 1mm of difference — gives this heart its beautifully upright, full character. The lobes curve generously at the top, the sides taper naturally inward, and the central point drops cleanly below — the heart silhouette at its most complete and satisfying.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon from Pedra Gems is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a powerful stone for heart chakra work — promoting love, compassion, emotional balance and inner strength.

Order today from Pedra Gems and receive a hand-selected natural gemstone — fully polished, flat-backed, and ready to become the heartfelt centrepiece of your next beautiful creation.

Discover a heartfelt natural treasure from Pedra Gems — our Natural Seam Agate Heart Shape Cabochon, a beautifully proportioned 23x24x5mm gemstone weighing 20 carats, cut into a full, upright heart silhouette that radiates warmth, balance and natural beauty.

At 23x24mm this heart is almost perfectly square in its proportions — just 1mm taller than wide — producing one of the fullest, most satisfying heart silhouettes in our collection. The lobes are deep and rounded at the top, flowing down to a strong, decisive central point that gives the heart its most classic and universally recognised form.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 23 x 24 x 5 mm
• Weight: 20 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Statement heart pendant & necklace designs
• Wire wrapping & heart bezel settings
• Statement heart ring centrepiece
• Valentine's Day & anniversary jewellery
• Crystal healing & heart chakra work
• Meaningful gift for gemstone lovers
• Bridal & romantic jewellery making
• Bespoke commission jewellery centrepiece

✦ Why This Heart?
The near-square 23x24mm proportions place this stone in the sweet spot of the Pedra Gems heart collection — larger and more substantial than our mid-size hearts (19×19mm, 20×19mm) yet more intimate and refined than our larger statement pieces (24×25mm, 26×29mm).

At 20 carats this is a confident, premium-weight stone. Heavy enough to feel truly special in the hand and meaningful as a gift, yet perfectly proportioned for comfortable everyday pendant wear. The 5mm dome adds excellent depth and rich natural light play across the polished surface.

The slightly taller-than-wide proportion — just 1mm of difference — gives this heart its beautifully upright, full character. The lobes curve generously at the top, the sides taper naturally inward, and the central point drops cleanly below — the heart silhouette at its most complete and satisfying.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon from Pedra Gems is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a powerful stone for heart chakra work — promoting love, compassion, emotional balance and inner strength.

Order today from Pedra Gems and receive a hand-selected natural gemstone — fully polished, flat-backed, and ready to become the heartfelt centrepiece of your next beautiful creation.

Discover delicate natural beauty in a small but perfectly formed package — our Natural Seam Agate Small Heart Cabochon, a charming 21x22x5mm gemstone weighing just 17 carats, cut into a sweet heart silhouette ideal for dainty, lightweight jewellery designs.

Do not let the small size fool you — at 21x22x5mm this petite heart cabochon is full of natural character. The rich banding of Seam Agate shows beautifully even at this compact scale, making it a wonderful choice for everyday jewellery pieces that are subtle yet meaningful.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 21x22x5mm
• Weight: 17 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Dainty heart pendant & charm necklaces
• Heart stud & post earring designs
• Matching earring pairs — lightweight enough for all-day wear
• Small heart ring settings
• Valentine's Day & anniversary gifts
• Crystal healing & heart chakra work
• Children's & teen jewellery designs
• Charm bracelet & mixed media projects

✦ Why This Small Heart?
At just 21x22x5 mm and 17 carats, this is the most lightweight and wearable heart cabochon in our collection. Its petite size makes it especially well suited for earring pairs where matching stones and comfortable weight are both essential.

The slightly taller-than-wide proportions 21x22x mm tall x 5mm wide) give this heart a naturally upright, classic silhouette — full and recognisable even at small scale. The 4mm dome keeps the profile neat and refined, perfect for low-profile stud settings.

At this size and weight, two of these stones together would make a beautifully matched, lightweight pair of heart earrings — comfortable enough for everyday wear without sacrificing natural character.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a popular choice for heart chakra work — promoting love, balance, and emotional warmth.

A sweet, meaningful gemstone — order today and receive a hand-selected natural stone, fully polished, flat-backed, and ready to bring heart-felt beauty to your next creation.

Discover delicate natural beauty in a small but perfectly formed package — our Natural Seam Agate Small Heart Cabochon, a charming 18x19x5mm gemstone weighing just 15 carats, cut into a sweet heart silhouette ideal for dainty, lightweight jewellery designs.

Do not let the small size fool you — at 18x19x5mm this petite heart cabochon is full of natural character. The rich banding of Seam Agate shows beautifully even at this compact scale, making it a wonderful choice for everyday jewellery pieces that are subtle yet meaningful.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 18x19x5 mm
• Weight: 15 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Dainty heart pendant & charm necklaces
• Heart stud & post earring designs
• Matching earring pairs — lightweight enough for all-day wear
• Small heart ring settings
• Valentine's Day & anniversary gifts
• Crystal healing & heart chakra work
• Children's & teen jewellery designs
• Charm bracelet & mixed media projects

✦ Why This Small Heart?
At just 18x19x5mm and 15 carats, this is the most lightweight and wearable heart cabochon in our collection. Its petite size makes it especially well suited for earring pairs where matching stones and comfortable weight are both essential.

The slightly taller-than-wide proportions (18x19x5mm tall x 5mm wide) give this heart a naturally upright, classic silhouette — full and recognisable even at small scale. The 4mm dome keeps the profile neat and refined, perfect for low-profile stud settings.

At this size and weight, two of these stones together would make a beautifully matched, lightweight pair of heart earrings — comfortable enough for everyday wear without sacrificing natural character.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a popular choice for heart chakra work — promoting love, balance, and emotional warmth.

A sweet, meaningful gemstone — order today and receive a hand-selected natural stone, fully polished, flat-backed, and ready to bring heart-felt beauty to your next creation.

Discover delicate natural beauty in a small but perfectly formed package — our Natural Seam Agate Small Heart Cabochon, a charming 13x14x4mm gemstone weighing just 6 carats, cut into a sweet heart silhouette ideal for dainty, lightweight jewellery designs.

Do not let the small size fool you — at 13x14mm this petite heart cabochon is full of natural character. The rich banding of Seam Agate shows beautifully even at this compact scale, making it a wonderful choice for everyday jewellery pieces that are subtle yet meaningful.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 13 x 13 x 4 mm
• Weight: 6 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Dainty heart pendant & charm necklaces
• Heart stud & post earring designs
• Matching earring pairs — lightweight enough for all-day wear
• Small heart ring settings
• Valentine's Day & anniversary gifts
• Crystal healing & heart chakra work
• Children's & teen jewellery designs
• Charm bracelet & mixed media projects

✦ Why This Small Heart?
At just 13x14mm and 6 carats, this is the most lightweight and wearable heart cabochon in our collection. Its petite size makes it especially well suited for earring pairs where matching stones and comfortable weight are both essential.

The slightly taller-than-wide proportions (14mm tall x 13mm wide) give this heart a naturally upright, classic silhouette — full and recognisable even at small scale. The 4mm dome keeps the profile neat and refined, perfect for low-profile stud settings.

At this size and weight, two of these stones together would make a beautifully matched, lightweight pair of heart earrings — comfortable enough for everyday wear without sacrificing natural character.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a popular choice for heart chakra work — promoting love, balance, and emotional warmth.

A sweet, meaningful gemstone — order today and receive a hand-selected natural stone, fully polished, flat-backed, and ready to bring heart-felt beauty to your next creation.

Celebrate the beauty of natural gemstones with our Natural Seam Agate Heart Shape Cabochon — a beautifully balanced 20x21x5mm stone weighing 16 carats, cut into a classic, full heart silhouette that is as timeless as it is striking.

At 20x21x5mm, this heart cabochon is almost perfectly proportioned in width and height, producing a full, rounded heart shape with exceptional visual balance. Neither too wide nor too tall, it is the kind of heart cut that jewellery makers return to again and again for its versatility and universal appeal.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 20x21x5 mm
• Weight: 16 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Classic heart pendant & necklace designs
• Valentine's Day & anniversary jewellery
• Wire wrapping & heart bezel settings
• Statement heart ring centrepiece
• Crystal healing & heart chakra work
• Meaningful gifts for gemstone lovers
• Bridal & romantic jewellery making

✦ Why This Heart Shape?
The near-equal 20x21x6 mm proportions of this cabochon produce one of the most classically balanced heart shapes available. Many heart stones are either too wide and flat or too tall and narrow — this stone hits the ideal proportions that give a heart its most recognisable, satisfying silhouette.

The 5mm dome adds generous depth and excellent light play across the polished surface, giving the stone a rich, full presence whether set in a pendant or ring. At 16 carats it carries real weight and visual substance without being oversized.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a popular choice for heart chakra work — promoting love, balance, and emotional stability.

Order today and receive a hand-selected natural gemstone — fully polished, flat-backed, and ready to become the heartfelt centrepiece of your next creation.

Celebrate the beauty of natural gemstones with our Natural Seam Agate Heart Shape Cabochon — a beautifully balanced 18x20x5mm stone weighing 14.5 carats, cut into a classic, full heart silhouette that is as timeless as it is striking.

At 18x20mm, this heart cabochon is almost perfectly proportioned in width and height, producing a full, rounded heart shape with exceptional visual balance. Neither too wide nor too tall, it is the kind of heart cut that jewellery makers return to again and again for its versatility and universal appeal.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 18x20x5 mm
• Weight: 14.5 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Classic heart pendant & necklace designs
• Valentine's Day & anniversary jewellery
• Wire wrapping & heart bezel settings
• Statement heart ring centrepiece
• Crystal healing & heart chakra work
• Meaningful gifts for gemstone lovers
• Bridal & romantic jewellery making

✦ Why This Heart Shape?
The near-equal 18x20mm proportions of this cabochon produce one of the most classically balanced heart shapes available. Many heart stones are either too wide and flat or too tall and narrow — this stone hits the ideal proportions that give a heart its most recognisable, satisfying silhouette.

The 5mm dome adds generous depth and excellent light play across the polished surface, giving the stone a rich, full presence whether set in a pendant or ring. At 14.5 carats it carries real weight and visual substance without being oversized.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a popular choice for heart chakra work — promoting love, balance, and emotional stability.

Order today and receive a hand-selected natural gemstone — fully polished, flat-backed, and ready to become the heartfelt centrepiece of your next creation.

Make a bold statement with our Large Natural Seam Agate Heart Shape Cabochon — a striking 24x23x5mm gemstone weighing 22.5 carats, designed for jewellery makers who love to create pieces that truly stand out.

This oversized heart cabochon is one of our largest cuts, offering an impressive canvas of natural Seam Agate banding. Its generous proportions make it a showstopping centrepiece for pendants, statement rings, and bespoke wire-wrapped designs.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 24 x 23 x 5 mm
• Weight: 22.5 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Large pendant & statement necklace designs
• Bold wire wrapping & oversized bezel settings
• Statement cocktail ring centrepiece
• Valentine's Day & anniversary gifts
• Crystal healing & heart chakra work
• Luxury gift for gemstone collectors

✦ Why This Stone Stands Out:
At 24x23mm and 22.5 carats, this is a large, impressive heart cabochon that commands attention. The slightly wider-than-tall proportion gives it a natural, organic heart silhouette — full and expressive. The 5mm dome adds beautiful depth and a rich tactile quality that smaller stones simply cannot match.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within the seams and fissures of host rock, producing its distinctive flowing, layered banding. Each stone carries its own unique pattern of colour and line — no two are ever alike.

Celebrated for its grounding and calming energy, Seam Agate is a favourite among crystal practitioners and artisan jewellers alike. Its earthy tones complement both silver and gold settings beautifully.

A truly one-of-a-kind natural gemstone — order today and receive a hand-selected piece ready to become the heart of your next creation.

Embrace pure natural beauty with our Natural Seam Agate Tumble Shape Cabochon — a wonderfully organic 21x15x5mm gemstone weighing 11.5 carats, shaped into a smooth, softly rounded tumble form that echoes the natural character of a polished river stone.

Unlike geometric cuts such as oval, round, or pear, the tumble shape has no defined edges, precise angles, or symmetrical outline. Instead it flows freely — curves shifting gently into one another, creating an entirely natural, organic silhouette that is as individual as the banding pattern within the stone itself. It is nature at its most honest and beautiful.

✦ Stone Specifications:
• Shape: Tumble (Organic Rounded)
• Dimensions: 21 x 15 x 5 mm
• Weight: 11.5 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.
• Shape note: Tumble shapes are unique by nature — the organic silhouette of this stone is individual to this piece and will not be replicated in any other.

✦ Perfect For:
• Boho & nature-inspired pendant designs
• Wire wrapping — smooth curves wrap beautifully with no sharp edges
• Organic & freeform jewellery collections
• Electroforming & copper wrap projects
• Crystal healing & energy work — tactile, comfortable to hold
• Macramé & fibre art focal stones
• Meditation & pocket stone display
• Collectors of natural organic gemstone forms

✦ Why Tumble Shape?
The tumble shape is one of the most beloved forms among crystal healers, boho jewellery makers, and natural stone collectors. Its smooth, rounded, flowing silhouette feels instinctively natural in the hand — warm, comfortable, and deeply organic.

For wire wrappers, the tumble shape is a joy to work with. The absence of sharp corners or defined edges means wire flows smoothly and continuously around the perimeter without catching or requiring tight corner wraps. The result is naturally graceful, fluid wire work that complements the organic character of the stone perfectly.

At 21x15mm this tumble cabochon is a versatile mid-size — large enough to make a clear pendant centrepiece while compact enough for everyday wearable jewellery. The 5mm dome gives the stone excellent depth and a satisfying, rounded tactile quality.

At 11.5 carats this is a well-weighted stone with real substance — the weight and smooth form together create a grounded, satisfying quality that crystal healing practitioners particularly appreciate.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

The tumble shape is the perfect vessel for Seam Agate's organic banding — both the shape and the pattern speak the same natural language, creating a stone that feels completely at home in the world and deeply connected to the earth.

Celebrated for its grounding and stabilising energy, Seam Agate is a favourite among crystal practitioners and artisan jewellers worldwide.

Order today and receive this exact hand-selected natural gemstone — smooth, polished, flat-backed, and ready to bring organic natural beauty to your next creation.

Express natural beauty and heartfelt elegance with our Natural Seam Agate Heart Shape Cabochon — a beautifully proportioned 24x25x5mm gemstone weighing 23 carats, cut into a classic upright heart silhouette that combines generous size with timeless romantic form.

At 24x25mm, this heart is slightly taller than it is wide — a proportion that produces one of the most recognisable and classic heart silhouettes in jewellery. The deeper-than-wide form gives the lobes a full, rounded curvature at the top and draws down to a strong, decisive central point — a heart shape that reads clearly, boldly, and beautifully from every distance.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 24 x 25 x 5 mm
• Weight: 23 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Classic statement pendant & necklace designs
• Wire wrapping & heart bezel settings
• Statement heart ring centrepiece
• Valentine's Day & anniversary jewellery
• Crystal healing & heart chakra work
• Meaningful gift for gemstone lovers
• Bridal & romantic jewellery making

✦ Why This Heart?
The 24x25mm proportions of this cabochon sit in a sweet spot — large enough to make a genuine statement as a pendant centrepiece, yet perfectly shaped for settings that require a classic, upright heart silhouette.

The taller-than-wide proportion is key. Hearts that are wider than tall can look flat or splayed — hearts that are taller than wide, like this one, have a deep, full-bodied curvature and a strong downward point that gives the silhouette its most recognisable and satisfying form. This is the heart shape that most people picture when they close their eyes and imagine a heart.

At 23 carats this is a substantial mid-to-large stone — heavy enough to feel premium and meaningful in the hand, wearable enough for everyday pendants and occasional statement pieces alike.

The 5mm dome adds excellent depth and rich light play across the polished surface — a full, rounded dome that catches light beautifully and gives the stone a warm, glowing presence.

✦ Your Heart Range at a Glance:
With 8 heart listings now in your collection, here is how this stone fits:
Small hearts: 13×14mm (6ct) and 15×16mm (6.5ct) — earrings & dainty pendants
Mid hearts: 19×19mm (12.5ct), 20×19mm (14ct), 20×20mm — classic pendant sizes
Large hearts: 24×25mm (23ct), 24×23mm (22.5ct), 26×17mm (18ct)
XL heart: 26×29mm (35ct) — showpiece collector stone

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a powerful choice for heart chakra work — promoting love, compassion, and emotional balance.

Order today and receive a hand-selected natural gemstone — fully polished, flat-backed, and ready to become the heartfelt centrepiece of your next beautiful creation.

Add sweet natural charm to your jewellery collection with our Natural Seam Agate Small Heart Cabochon — a delightful 15x16x4mm gemstone weighing 6.5 carats, cut into a classic upright heart silhouette perfectly suited for dainty, lightweight jewellery designs. 

At 15x16mm, this petite heart is slightly taller than it is wide, producing a naturally upright and classically proportioned heart shape that reads clearly and beautifully even at this compact scale. The rich natural banding of Seam Agate adds character and individuality that mass-produced heart stones simply cannot offer.

✦ Stone Specifications:                                                                                                         • Shape: Heart                                                                                                                         • Dimensions: 15 x 16 x 4 mm                                                                                                 • Weight: 6.5 Carats                                                                                                                • Stone Type: Natural Seam Agate                                                                                           • Cut: Cabochon (flat back, domed top)                                                                                 • Finish: High-polish, smooth surface

• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements. 

✦ Perfect For:                                                                                                                           • Dainty heart pendant & charm necklaces                                                                             • Heart stud & drop earring designs                                                                                         • Matching lightweight earring pairs                                                                                         • Small heart ring settings                                                                                                         • Valentine's Day & anniversary gifts                                                                                         • Crystal healing & heart chakra work                                                                                       • Children's & teen jewellery designs                                                                                     • Charm bracelet & stacking jewellery

✦ Why This Size?                                                                                                                 At 15x16mm and just 6.5 carats, this is one of the lightest heart cabochons in our collection — making it an excellent choice wherever comfort and wearability matter most. Two of these stones together would make a beautifully matched pair of heart earrings comfortable enough for all-day wear.

The 4mm dome strikes a lovely balance — enough height to give the stone visual presence and natural depth, yet low enough to sit neatly in stud or bezel earring settings without protruding uncomfortably. The slightly taller-than-wide proportion gives this heart a refined, upright silhouette that is instantly recognisable and full of natural charm.

✦ About Seam Agate:                                                                                                             Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a popular choice for heart chakra work — promoting love, balance, and emotional warmth.

A charming natural gemstone — order today and receive a hand-selected stone, fully polished, flat-backed, and ready to bring heartfelt beauty to your next creation.

Discover delicate natural beauty in a small but perfectly formed package — our Natural Seam Agate Small Heart Cabochon, a charming 13x14x4mm gemstone weighing just 6 carats, cut into a sweet heart silhouette ideal for dainty, lightweight jewellery designs.

Do not let the small size fool you — at 13x14mm this petite heart cabochon is full of natural character. The rich banding of Seam Agate shows beautifully even at this compact scale, making it a wonderful choice for everyday jewellery pieces that are subtle yet meaningful.

✦ Stone Specifications:
• Shape: Heart
• Dimensions: 13 x 13 x 4 mm
• Weight: 6 Carats
• Stone Type: Natural Seam Agate
• Cut: Cabochon (flat back, domed top)
• Finish: High-polish, smooth surface
• Please note: As these are natural gemstones, size and weight may vary slightly. Dimensions may differ by ±0.5mm and weight by ±0.5ct from the listed measurements.

✦ Perfect For:
• Dainty heart pendant & charm necklaces
• Heart stud & post earring designs
• Matching earring pairs — lightweight enough for all-day wear
• Small heart ring settings
• Valentine's Day & anniversary gifts
• Crystal healing & heart chakra work
• Children's & teen jewellery designs
• Charm bracelet & mixed media projects

✦ Why This Small Heart?
At just 13x14mm and 6 carats, this is the most lightweight and wearable heart cabochon in our collection. Its petite size makes it especially well suited for earring pairs where matching stones and comfortable weight are both essential.

The slightly taller-than-wide proportions (14mm tall x 13mm wide) give this heart a naturally upright, classic silhouette — full and recognisable even at small scale. The 4mm dome keeps the profile neat and refined, perfect for low-profile stud settings.

At this size and weight, two of these stones together would make a beautifully matched, lightweight pair of heart earrings — comfortable enough for everyday wear without sacrificing natural character.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing its characteristic richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow — every cabochon is a completely unique piece of natural art.

In crystal healing traditions, the heart shape combined with Agate's grounding energy makes this a popular choice for heart chakra work — promoting love, balance, and emotional warmth.

A sweet, meaningful gemstone — order today and receive a hand-selected natural stone, fully polished, flat-backed, and ready to bring heart-felt beauty to your next creation.