This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Tiny Treasures Skull and Crossbones Necklace. The necklace is crafted of 18 karat yellow gold and features a skull motif pendant set with round brilliant cut diamonds, approximately .20 total carat weight, and a synthetic ruby 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.