This is an authentic ROBERTO COIN 18K Rose Gold Diamond Petite Venetian Princess Flower Pendant Necklace. The necklace is crafted of 18-karat rose gold and features a reversible floral motif pendant accented with diamonds, weighing approximately .40 carats. The necklace also features the signature synthetic ruby stone set on a tag near the clasp. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.