This is an authentic DAVID YURMAN Sterling Silver 18K Yellow Gold Diamond 20mm Smoky Quartz Wheaton Ring size 51 or 5.75. This ring is crafted of sterling silver and 18 karat yellow gold with a faceted smoky quartz stone surrounded by pave diamonds, approximately .15 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.