This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Emerald Halo Stud Earrings. The earrings are crafted of 18 karat yellow gold and feature round studs with round brilliant cut emerald with halos of diamonds, approximately .14 total carat weight, along with hidden synthetic rubies on the back. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.