This is an authentic DAVID YURMAN Sterling Silver Diamond Black Onyx 16mm Wheaton Ring 52 6. This ring is crafted of sterling silver and features a 16mm faceted black onyx stone framed by sparkling diamonds weighing .13 total carat weight. This is a bold ring with the signature style of David Yurman! Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.