Item #: 143999 This is an authentic TIFFANY Platinum Diamond .42ctw Circlet Pendant Necklace. This chic 14.5mm pendant necklace features a .42 ct round brilliant cut diamond pendant on a choker length platinum chain. Add a sparkle to your wardrobe with a beautiful diamond pendant necklace from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.