18K .75 CTW DIAMOND RING: 18K DIAMOND RING: Retro 18K white gold ring with 20 round brilliant cut diamonds circling the center diamond. Diamonds total approx. .75 Ct. The center diamond (.20 Ct.) is chipped. The diamonds average VS in clarity and G-H in color, all are prong set. Weight: 4.5 grams. Size: 7