Natural Aquamarine 13.68 ct – Cushion Cut, Untreated, ČGL Certified

This 13.68 carat natural aquamarine reveals a delicate slightly bluish-green hue, cut into a refined cushion shape measuring 17.09 × 14.50 × 9.46 mm. With internally flawless (IF) clarity, the gemstone displays exceptional transparency and brilliance, a rarity among aquamarines of this size. Completely untreated, it preserves its natural purity and authenticity. Certified by the Czech Gemological Laboratory (ČGL), it comes with independent verification of origin and quality. Distinguished by its