This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Heart Station Necklace. The necklace is crafted of 18 karat yellow gold and features a heart motif and six bezel-set round brilliant cut diamond stations weighing approximately .18 total carat weight, along with the signature synthetic ruby bezel-set near the clasp. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.