14K GOLD AND DIAMOND AMETHYST RING: 14K yellow gold ring contains one marquise cut amethyst. Weight: .85 Ct. Approx. 21 round full cut diamonds. Weight: .25 Ct. Approx. The diamonds average VS-SI in clarity and H-I in color. The amethyst is prong set. The diamonds are bead set. Weight: 5.4 grams. Size: 5.5