A view of “The Blue”, the world’s largest flawless vivid blue diamond, on display during an evening “Magnificent Jewels sale” auction by the Christie’s auction house, on May 14, 2014, in Geneva, Switzerland. The spectacular blue diamond, considered the largest in the world in its category, was purchased by US jeweler Harry Winston for $ 23’790’000 (with costs) at a Christie’s auction in Geneva. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)