This is an authentic TIFFANY 18K Yellow Gold Diamond .05ct Elsa Peretti Diamonds by the Yard Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a bezel set single diamond, weighing approximately .05 carats. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.