This is an authentic DAVID YURMAN Sterling Silver Diamond Prasiolite 11mm Chatelaine Ring 52 6. The ring is crafted of sterling silver and features a faceted prasiolite stone in a four prong setting accented with diamonds weighing approximately .05 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.