Freeform Shape

Experience the beauty of nature's own geometry with our Natural Seam Agate Freeform Rounded Corner Triangle Cabochon — a captivating 31x15x5mm gemstone weighing 18 carats, shaped into an elongated triangular silhouette where every corner flows into a soft, organic curve rather than a sharp point.

This stone occupies a wonderful creative space between geometric and organic. Its three-sided triangular form gives it strong directional energy and visual structure — but the rounded corners soften every angle into a gentle, flowing curve that feels warm, natural, and deeply wearable. It is a triangle that has been touched by nature.

✦ Stone Specifications:
• Shape: Freeform (Rounded Corner Triangle)
• Dimensions: 31 x 15 x 5 mm
• Weight: 18 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: Freeform stones are unique by nature — the exact curvature of the corners, banding pattern, and silhouette of this stone are individual to this piece and will not be replicated in any other.

✦ Perfect For:
• Long drop pendant & statement necklace designs
• Wire wrapping — rounded corners wrap smoothly with no sharp pressure points
• Boho & nature-inspired jewellery collections
• Electroforming & copper wrap projects
• Focal stone for macramé & fibre art
• Modern geometric jewellery with an organic twist
• Crystal healing & energy work
• Collectors of rare organic geometric shapes

✦ Why This Rounded Corner Triangle?
The 31x15mm proportions give this stone a dramatically elongated triangular form — nearly 2.2:1 length-to-width ratio — making it one of your most slender and directional triangle shapes. Wide across the top with a gently tapering base, it creates a strong sense of downward movement ideal for long drop pendants that draw the eye elegantly down the neckline.

The key distinction from your sharp-cornered triangles is the rounded corners. Where sharp corners create angular, geometric tension, rounded corners soften that energy — creating a shape that feels simultaneously structured and organic. This makes the stone more versatile across jewellery styles, equally at home in a boho wire-wrapped pendant and a modern minimalist setting.

The rounded corners are also a practical advantage for wire wrappers. Unlike sharp-cornered triangles that require tight corner wraps, the gentle curves allow wire to flow continuously and smoothly around the entire perimeter — producing naturally graceful, fluid wrapping lines with no awkward angles to navigate.

At 30mm long this is one of your longest triangle-family stones — a bold, dramatic drop pendant stone with serious visual presence. The 5mm dome adds excellent depth and rich light play, making the natural Seam Agate banding glow beautifully across the elongated face.

✦ 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 flowing organic banding of Seam Agate pairs beautifully with the softly rounded triangular form — both sharing the same language of gentle curves and natural movement.

Celebrated for its grounding and stabilising energy, Seam Agate is beloved by crystal practitioners and artisan jewellers worldwide.

Order today and receive this exact hand-selected gemstone — its rounded corners, elongated silhouette, and natural banding are entirely one of a kind and will never be repeated.

Introducing one of the most visually dramatic stones in the Pedra Gems collection — our Natural Seam Agate Shield Cabochon, a breathtaking 31x14x4mm gemstone weighing 13.5 carats, combining a rare shield silhouette with an extraordinary explosion of vivid red, orange, yellow and brown natural banding.

This stone stops you in your tracks. The fiery interplay of deep crimson red, warm burnt orange, golden yellow and rich earthy brown — punctuated by mysterious silver-grey areas — creates a natural composition of rare intensity and beauty. No two stones in the world carry this exact combination of colour, pattern, and form.

✦ Stone Specifications:
• Shape: Shield (Kite Cut)
• Dimensions: 31x14x4  mm
• Weight: 13.5 Carats
• Stone Type: Natural Seam Agate
• Colour: Vivid red, orange, yellow, brown & silver-grey natural banding
• 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: This is a one-of-a-kind stone — its shield silhouette, colour combination and banding pattern are entirely unique and will never be replicated.

✦ About the Shield Shape:
The shield cut — also known as the kite cut — is defined by two straight sides that meet at a sharp upper point, one gently curved side, and a sharp lower point. This asymmetric, angular silhouette is one of the rarest and most dramatic shapes in the cabochon world — bold, directional, and deeply distinctive.

At 38mm tall this is a long, elongated shield with a strong vertical presence. The sharp top point draws the eye upward while the curved lower section flows elegantly into the lower tip — creating a stone with genuine visual tension and movement.

✦ Perfect For:
• Show-stopping statement pendant & necklace designs
• Wire wrapping — the two pointed ends provide strong natural anchor points
• Freeform & artistic jewellery collections
• Boho & fire-inspired jewellery designs
• Electroforming & copper wrap projects
• Solar plexus & root chakra crystal healing
• Collectors of rare shapes & vivid natural colour
• Bespoke commission jewellery centrepiece

✦ The Colour Story:
The red tones in this stone are created by iron oxide inclusions within the agate — the same mineral that colours terracotta, rust, and desert sandstone. The golden yellow and burnt orange layers are rich in chalcedony and iron minerals, creating warm, glowing bands that seem to radiate heat. The silver-grey areas add a beautiful cooling contrast — like storm clouds moving across a desert sunset.

This is a stone that tells a geological story millions of years in the making.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow.

In crystal healing traditions, the fiery red and orange tones of this stone are associated with the root and sacral chakras — bringing energy, passion, creativity, and grounding strength. The golden yellow tones connect to the solar plexus chakra, amplifying confidence and personal power.

A once-in-a-collection natural gemstone — order today and receive this exact hand-selected showpiece from Pedra Gems, fully polished, flat-backed, and ready to inspire a design as extraordinary as the stone itself.

Introducing one of the most visually dramatic stones in the Pedra Gems collection — our Natural Seam Agate Shield Cabochon, a breathtaking 41x13x5mm gemstone weighing 21 carats, combining a rare shield silhouette with an extraordinary explosion of vivid red, orange, yellow and brown natural banding.

This stone stops you in your tracks. The fiery interplay of deep crimson red, warm burnt orange, golden yellow and rich earthy brown — punctuated by mysterious silver-grey areas — creates a natural composition of rare intensity and beauty. No two stones in the world carry this exact combination of colour, pattern, and form.

✦ Stone Specifications:
• Shape: Shield (Kite Cut)
• Dimensions: 41x13x5 mm
• Weight: 21 Carats
• Stone Type: Natural Seam Agate
• Colour: Vivid red, orange, yellow, brown & silver-grey natural banding
• 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: This is a one-of-a-kind stone — its shield silhouette, colour combination and banding pattern are entirely unique and will never be replicated.

✦ About the Shield Shape:
The shield cut — also known as the kite cut — is defined by two straight sides that meet at a sharp upper point, one gently curved side, and a sharp lower point. This asymmetric, angular silhouette is one of the rarest and most dramatic shapes in the cabochon world — bold, directional, and deeply distinctive.

At 38mm tall this is a long, elongated shield with a strong vertical presence. The sharp top point draws the eye upward while the curved lower section flows elegantly into the lower tip — creating a stone with genuine visual tension and movement.

✦ Perfect For:
• Show-stopping statement pendant & necklace designs
• Wire wrapping — the two pointed ends provide strong natural anchor points
• Freeform & artistic jewellery collections
• Boho & fire-inspired jewellery designs
• Electroforming & copper wrap projects
• Solar plexus & root chakra crystal healing
• Collectors of rare shapes & vivid natural colour
• Bespoke commission jewellery centrepiece

✦ The Colour Story:
The red tones in this stone are created by iron oxide inclusions within the agate — the same mineral that colours terracotta, rust, and desert sandstone. The golden yellow and burnt orange layers are rich in chalcedony and iron minerals, creating warm, glowing bands that seem to radiate heat. The silver-grey areas add a beautiful cooling contrast — like storm clouds moving across a desert sunset.

This is a stone that tells a geological story millions of years in the making.

✦ About Seam Agate:
Seam Agate is a natural chalcedony formed within rock seams and fissures, producing richly layered banding in warm, earthy tones. No two stones share the same pattern, colour, or flow.

In crystal healing traditions, the fiery red and orange tones of this stone are associated with the root and sacral chakras — bringing energy, passion, creativity, and grounding strength. The golden yellow tones connect to the solar plexus chakra, amplifying confidence and personal power.

A once-in-a-collection natural gemstone — order today and receive this exact hand-selected showpiece from Pedra Gems, fully polished, flat-backed, and ready to inspire a design as extraordinary as the stone itself.