This is an authentic ROBERTO COIN 18K White Gold Diamond Butterfly Pendant Necklace. The necklace is crafted of 18 karat white gold and features a butterfly motif pendant set with round brilliant cut diamonds weighing approximately .22 total carat weight. The necklace also features the signature synthetic ruby set on the back of the pendant. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.