This is an authentic ROBERTO COIN 18K 18K Yellow Gold Diamond Letter T Medallion Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a round pendant in a brushed finish, set with diamonds in a 'T' shape, 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.