This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Classic Satin Cuff Bracelet. The bracelet is crafted of 18 karat yellow gold and features a semi flexible open cuff consisting of sectioned cube motifs in an etched finish, accented with diamonds, approximately .27 total carat weight, along with a synthetic ruby on the inside. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.