This is an authentic Roberto Coin 18K Yellow Gold Diamond Venetian Princess Heart Medallion Charm Necklace. The necklace is crafted of 18 karat yellow gold and features a paper clip style chain with a heart shaped pendant accented with diamonds, approximately .26 total carat weight. The necklace also features synthetic rubies on the lobster clasp and the back of the pendant. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.