


Natural Amethyst 12.45 ct – Cushion Cut, Untreated
This 12.45 carat natural amethyst displays a gentle lavender-purple hue, offering a soft and elegant appearance typical of high-quality amethyst. Cut in a cushion faceted shape measuring 18.4 × 12.4 × 8.8 mm, it shows lively brilliance thanks to its well-executed facet pattern and rounded outline.
Completely untreated, the stone maintains its natural color and clarity without enhancement.
With its substantial size and refined sparkle, this amethyst is an excellent choice for statement jewelry such as cocktail rings, pendants, or artistic custom designs.
A versatile gemstone appreciated for its calming color and balanced proportions.
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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.





