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 stationary pendant pave-set with round brilliant cut diamonds, approximately .48 total carat weight, and a bezel-set signature synthetic ruby stone on the chain. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.