This is an authentic pair of ROBERTO COIN 18K White Gold Diamond Bollicine Drop Earrings. The earrings are crafted of 18 karat white gold and feature a oval drop motifs adorned with bezel-set diamonds, approximately .09 total carat weight, along with small charms behind the motifs set with synthetic rubies. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.