This is an authentic TIFFANY Platinum Diamond 3 Station Diamonds by the Yard Necklace. The necklace is crafted of platinum and features three bezel-set round brilliant cut diamonds weighing approximately .70 total carat weight. PLEASE NOTE: The spring ring connected to the clasp has been repaired. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.