The incomparable 128-carat Tiffany Diamond, made famous by Audrey Hepburn and last worn by Lady Gaga, will appear in the new 20th Century Studios daring mystery-thriller, “Death on the Nile,” based on Agatha Christie’s 1937 novel. A recreation of The Tiffany Diamond is prominently featured at the center of the storyline, alongside other Tiffany designs worn throughout the film. “Death on the Nile” stars Tom Bateman, Annette Bening, Kenneth Branagh, Russell Brand, Ali Fazal, Dawn French, Gal Gadot, Armie Hamer, Rose Leslie, Emma Mackey, Sophie Okonedo, Jennifer Saunders, and Letitia Wright. This October, Tiffany & Co. will promote the film in stores and across its digital platforms, highlighting Tiffany’s radiant yellow diamonds and the exceptional collections seen on screen.