This is an authentic ANITA KO 18K Yellow Gold Emerald Ear Jacket Stud Earrings. The earrings are crafted of 18 karat yellow gold and feature prong set emerald studs with removable jackets each set with six round cut emeralds. Follow this item for alerts. Anita Ko is a registered trademark of Anita Ko. FASHIONPHILE is not affiliated with Anita Ko.