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 ...

Keeping the focus on the stunning diamond necklace, Lady Gaga opted for a simple Oscars makeup look: bold eyebrows, soft ...

Lady Gaga opened up about her first ... as she and the businessman packed on the PDA. A jewelry expert told Page Six Style that the pop star’s oval-cut diamond appears to be between 10 and ...

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

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