This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Wave Bangle Bracelet. The bracelet is crafted of 18 karat yellow gold and features pave-set round brilliant cut diamonds weighing approximately .25 total carat weight, as well as Roberto Coin's signature hidden ruby set within the interior of the band. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.