This is an authentic TIFFANY Platinum Diamond .23ct Elsa Peretti Diamonds by the Yard Pendant Necklace. The necklace is crafted of platinum and features a bezel-set round brilliant cut diamond, approximately .23 carat with I color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.