



Natural Garnet 15.17 ct – Star Cabochon, Untreated
This 15.17 carat natural garnet displays a purple-red hue and has been shaped into an oval cabochon measuring 14.80 × 13.00 × 7.60 mm. The gemstone shows a distinct star effect (asterism) under direct light, giving it a unique and attractive appearance. Untreated and naturally formed, this garnet represents a rare variation within the garnet family. Its large size and optical phenomenon make it appealing for gemstone enthusiasts, collectors of unusual gems, or for use in custom jewelry with a distinctive character.
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Documentation & Verification
Every gemstone is supplied with the documentation stated in the product specification. This may include an independent laboratory certificate or a Sosna Gems Colored Stone Report.
Additional or alternative independent laboratory certification can be arranged upon request for eligible gemstones.

Learn about bespoke jewelry
Every bespoke piece begins with a gemstone. Selected gemstones from our collection can be transformed into individually designed jewelry, created around the proportions, character and intended use of each stone.
Every design is developed in consultation with our gemologists and goldsmiths, ensuring that the finished piece complements both the gemstone and your preferences.
Gemological overview
Technical and gemological information about this gemstone variety.





