This is an authentic DAVID YURMAN Sterling Silver Diamond Black Onyx 20mm Wheaton Ring 52 6. The ring is crafted of sterling silver and features a triple twisted cable motif tapered band and a faceted black onyx stone framed lengthwise with sparkling diamonds, approximately .25 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.