Item #: 1420429 This is an authentic DAVID YURMAN Sterling Silver Diamond Black Onyx Signature Oval Ring size 54 or 7. The ring is crafted of sterling silver with an oval cabochon black onyx detailed with two rows of pave diamonds, approximately .45 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.