This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Tiny Treasures Initial H Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a dainty chain holding a round disc with the letter H lined in diamonds weighing approximately .03 total carat weight, along with a synthetic ruby on the chain tag. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.