Amethyst & Diamond Renaissance Ring - handcrafted in solid 9 carat gold. Single 1.5 ct amethyst, grade AAA 18 diamonds, SI-2/K, total 0.3 ct. Round cut Setting size: 0.1 x 1 in (3 x 25 mm). Genuine round cut Siberian Amethyst (7x7mm, grade AAA, 1.5 ct). Four-claw cathedral setting. Solid 9 carat yellow gold (3.30 grams) Ring size: S.