18K 36.00 CT. AMETHYST RING: 18K yellow gold ring contains 1 emerald cut amethyst. WEIGHT: 36.00 Ct. Approx. Rated VVS in clarity, P in Hue, 2-3 in Tone and 2 in Saturation. The amethyst is prong set. Mounting weight: 5.6 grams. Size: 7.