This is an authentic ROBERTO COIN 18K Rose Gold Diamond Black Jade Square Drop Earrings. The earrings are crafted of 18 karat rose gold and feature faceted black jade and pave-set round brilliant cut diamonds, approximately .25 total carat weight, along with rectangular drop motifs. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.