This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Small Princess Flower Stud Earrings. The earrings are crafted of 18 karat yellow and white gold, and feature quatrefoil motifs accented with round cut diamonds, approximately .07 total carat weight. The earrings also feature synthetic rubies on the back side 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.