18K TANZANITE & DIAMOND RING: 18K yellow gold ring centers one pear shaped mixed cut tanzanite. Weight: 1.00 Ct. Approx. Framed by 15 round brilliant cut diamonds. Weight: .33 Ct. Approx. Rated VS in clarity and G-H in color. The tanzanite and diamonds are prong set. Weight: 6.1 grams. Size: 8