ORANGE MEXICAN OPAL AND DIAMOND RING: 14K yellow gold ring contains 7 faceted Mexican opals. Weight: 2.00 Ct. Approx. Orange in color. Slightly abraded. 50 round full cut diamonds. Weight: .25 Ct. Approx. Rated SI in clarity and H-I in color. The opals are channel set. The diamonds are prong set. Weight: 6.6 grams. Size: 6