This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Princess Satin Bangle Bracelet. The bracelet is crafted of 18 karat yellow gold and features round brilliant cut diamonds throughout a satin finished band, approximately .17 total carat weight, along with a synthetic ruby on the inside. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.