This is an authentic DAVID YURMAN 18K Yellow Gold Smoky Quartz Color Classics Ring 54 7. The ring is crafted of 18 karat yellow gold and features a faceted smoky quartz bezel-set atop a tapered, textured band. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.