This is an authentic ROBERTO COIN 18K White Gold Diamond Granada Hoop Earrings. The earrings are crafted of 18 karat white gold and feature hand-etched hoops with floral cutout details and bezel-set diamonds, approximately .46 total carat weight, along with synthetic rubies hidden on the inside. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.