14K DIAMOND & BOULDER OPAL RING: 14K yellow gold ring contains one freeform 25.00 x 13.00 mm boulder opal with a rich bright blue/green play-of-color with 20% matrix. 5 round brilliant cut diamonds. Weight: .20 Ct. Approx. Rated VS in clarity and H-I in color. The opal is bezel set. The diamonds are prong set. Weight: 12.2 grams. Size: 7