This is an authentic DAVID YURMAN Sterling Silver Black Onyx Diamond 10mm Cable Wrap Ring size 49 or 5. The ring is crafted of sterling silver and features black onyx intricately wrapped with smooth, cable and diamond accented bands weighing approximately .03 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.