This is an authentic DAVID YURMAN Sterling Silver Diamond Black Onyx 16mm Wheaton Ring size 51 or 5.75. The ring is crafted of sterling silver and features an open cable motif band holding a 16mm faceted black onyx stone framed by sparkling diamonds, approximately .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.