This is an authentic TIFFANY 18K Yellow Gold Diamond .64ctw Elsa Peretti Diamonds By The Yard Earrings. The brilliant round cut sparkling .64 ctw diamonds are set in a simple 18k yellow gold bezel setting, with screw back posts. These are stunning earrings with the unforgettable style of Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.