This is an authentic ROBERTO COIN 18K White Gold Diamond Venetian Princess Stud Earrings. The earrings are crafted of 18 karat white gold and feature a quatrefoil motif accented with bezel set diamonds weighing approximately .12 total carat weight. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.