14K TOURMALINE, DIAMOND & OPAL RING: 14K yellow gold ring contains one triangle facete pink tourmaline. Weight: .50 Ct. approx. 6 round brilliant cut diamonds. WEIGHT: 15 Ct. Approx. Rated VS in clarity and G-H in color. 7 inlaid opal tiles. The tourmaline and diamonds are channel set. Weight: 8.2 grams. Size: 7.5