This is an authentic TIFFANY Platinum Diamond .21ct Elsa Peretti Diamonds by the Yard Pendant Necklace. The necklace is crafted of platinum and features a bezel set round brilliant cut diamond, approximately .21 carat with VS2 clarity and I color. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.