This is an authentic ROBERTO COIN 18K Rose Gold Black Diamond Venetian Princess Double Medallion Pendant Necklace. The necklace is crafted of 18 karat hollow rose gold and features elongated links and two charms accented with diamonds weighing approximately .22 total carat weight and black diamonds, approximately 1.43 total carat weight. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.