Item #: 894325 This is an authentic DAVID YURMAN Sterling Silver Diamond Aqua Chalcedony Signature Oval Ring 54 7. The ring is crafted of sterling silver and features an open cable style band set with an oval chalcedony stone and diamonds, approximately .48 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.