As with the Tiffany Diamond, the rare appearance of this ... To see her subtle shift, compare the necklace Lady Gaga is wearing tonight to the Medusa necklace on view at the Tiffany Landmark ...

Lady Gaga’s industrious career in the arts has partially been defined by her wardrobe. The singer and actress has sported no ...

Known for her showstopping red carpet looks, Blake Lively brought full opulence for the launch of Pharrell William's Tiffany ...

and 50-carat pear shaped diamond drops. Her earrings weren’t the only standout jewelry moment of the evening—there was also ...

Lady Gaga is an intrepid fashion shape-shifter ... To complete her gown, Gaga chose over 100 carats of Tiffany & Co. diamond ...