This is an authentic DAVID YURMAN Sterling Silver 14K Yellow Gold Tourmaline Green Onyx Renaissance Ring in a size 52, 6. This stylish ring is a sterling silver band with cable style trim and 14 karat yellow gold layers. The center is sterling silver with oval settings of tourmaline and green onyx gems for a distinctive look of antiquity, from David Yurman. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.