Item #: 142156 This is an authentic TIFFANY & CO Platinum Diamond .27ct Solitaire Pendant Necklace. The platinum chain hangs just beneath the neck with a 4.20mm round diamond pendant with .27ct. This is a simple, yet very elegant necklace with the unforgettable style from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.