This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Medium Venetian Princess Flower Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a floral motif pendant accented with round cut diamonds, approximately .06 total carat weight. The necklace also features the signature synthetic ruby set on a tag. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.