This is an authentic ROBERTO COIN 18K Yellow White Gold Diamond Appassionata Ring 54 6.75. The ring is crafted of 18 karat yellow and white gold, and features a flexible woven band with round brilliant cut diamond accents weighing approximately .26 total carat weight. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.