This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Venetian Princess Heart Pendant. The pendant is crafted of 18 karat yellow gold and features a heart motif with a brushed finish and accented with round brilliant cut diamonds, approximately .14 total carat weight. The pendant also features the signature synthetic ruby stone set on the back. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.