Item #: 1381284 This is an authentic DAVID YURMAN Sterling Silver Diamond Black Onyx 14mm Cushion On Point Ring 54 7. The ring is crafted of sterling silver and features a double cable-style band set with a cushion-cut black onyx stone and diamonds, approximately .12 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.