This is an authentic DAVID YURMAN 18K Yellow Gold Green Tourmaline Peridot Renaissance Ring 52 or 6. The ring is crafted of 18 karat yellow gold and features bezel-set faceted peridot and green tourmaline stones on a tapered band. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.