A model holds The Murat Tiara, a pearl and diamond jewel created in 1920 by Joseph Chaumet for the marriage of Prince Alexandre Murat to Yvonne Gillois, at the Sotheby's auction house in London on April 26, 2012, before it goes on sale in Geneva next month. The Tiara 1.5 to 2.5 million USD when it goes on sale during Sotheby's Magnificant and Noble Jewels sale on May 14-15. AFP PHOTO / MIGUEL MEDINA (Photo credit should read MIGUEL MEDINA/AFP/GettyImages)
