Small Seam Agate Heart Cabochon 15x16mm 6.5ct – Natural Gemstone

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.