This is an authentic pair of ROBERTO COIN 18K White Gold Diamond 1.00ctw Inside Out Hoop Earrings. The earrings are crafted of 18 karat white gold and feature hoops pave-set with round brilliant cut diamonds, approximately 1.00 total carat weight, along with hidden synthetic rubies. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.