This is an authentic DAVID YURMAN Sterling Silver 18K Yellow Gold Diamond Black Onyx 4mm Helena Cuff Bracelet. The bracelet is crafted of sterling silver and features black onyx and 18 karat yellow gold threaded detail accented with pave-set diamonds, approximately .45 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.