LONDON, UNITED KINGDOM - OCTOBER 11: Model Jasmine Taylor Salah holds a blue diamond weighing 8.01 carats mounted a ring by Cartier with an estimate of $15-25 million as part of Sotheby's November auction of Magnificent Jewels & Noble Jewels in Geneva on October 11, 2016 in London, United Kingdom. (Photo by Ray Tang/Anadolu Agency/Getty Images)
