This is an authentic DAVID YURMAN Sterling Silver Diamond Prasiolite 18mm Signature Oval Ring 52 6. The ring is crafted of sterling silver and features a cable motif band holding a faceted 18mm prasiolite stone framed by sparkling diamonds weighing 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.