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 faceted black onyx framed lengthwise with round cut diamonds, approximately .22 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.