This is an authentic ROBERTO COIN 18K White Gold Diamond Black Sapphire Capri Ring 59 8.75. The ring is crafted of 18 karat white gold and features a wide tapered band pave-set with black sapphires and diamonds weighing approximately .37 total carat weight. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.