On the occasion of the 91st Gala of the Academy Awards, Lady Gaga shone not only for her deservedly won Oscar, but also for the elegance she displayed on the red carpet. The glamorous black gown was complemented by the iconic Tiffany Diamond, with 128.54 carats and more than 82 radiant facets. The exceptional diamond was discovered in 1877 at the Kimberley mines in South Africa, and the founder of Tiffany & Co. bought it the following year. The actress and singer of A Star is Born complemented the look with yellow and white diamond earrings.