This is an authentic ROBERTO COIN 18K Rose Gold Diamond Sienna Hoop Earrings. The earrings are crafted of 18 karat rose gold and features a beaded hoop set with round brilliant cut diamonds, weighing approximately .80 total carat weight and 18 karat white gold posts. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.