This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Medium Vernazza Open Frame Flower Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a flower motif pendant accented with diamonds, approximately .20 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.