This is an authentic ROBERTO COIN 18K Rose Gold Black Diamond Venetian Princess Bangle Bracelet. The bracelet is crafted of 18 karat rose gold and features a square bangle accented with flower motifs set with round brilliant cut black and colorless diamonds weighing approximately 1.90 total carat weight. The bracelet also features a synthetic ruby on the inside of the bangle. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.