This is an authentic TIFFANY 18K Yellow Gold Diamond .05ct Elsa Peretti Diamonds by the Yard Pendant Necklace. This lovely necklace features a 18K yellow gold chain with a single round brilliant cut .05 carat diamond at the center. PLEASE NOTE: The chain has been repaired. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.