This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Lapis Lazuli Hinge Bangle Bracelet. The bracelet is crafted of 18 karat yellow gold and features a hinged bangle with lapis lazuli inlays and pave-set diamonds, approximately .05 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.