Item #: 393020 This is an authentic TIFFANY Platinum Diamond .17ct Elsa Peretti Diamonds By The Yard Necklace. This delightful necklace is crafted of platinum and features a single diamond weighing approximately .17 carats. This is a beautiful necklace, for a one of a kind look, from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.