This is an authentic ROBERTO COIN 18K Yellow White Gold Diamond New Barocco Pendant Necklace. The necklace is crafted of 18 karat yellow and white gold, and features a flower shaped pendant accented with round brilliant cut diamonds, approximately .73 total carat weight. The necklace also features the signature synthetic ruby on the chain tag. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.