This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Tiny Treasures Hamsa Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a Hamsa motif pendant pave-set with round brilliant cut diamonds weighing approximately .34 total carat weight, along with a hidden synthetic ruby. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.