This is an authentic ROBERTO COIN 18K Rose Gold Diamond Blue Topaz Small Venetian Princess Carnival Pendant Necklace. The necklace is crafted of 18 karat rose gold and features a venetian princess floral motif with a blue topaz center and diamond accents, weighing approximately .17 total carats. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.