A Christie's auction house employee holds 'The Blue', which will go under the hammer in Geneva in May. The largest flawless vivid blue diamond in the world, The Blue, is up for sale. The Blue is estimated to fetch between million!
The Logan Sapphire Flawless sapphire is the second largest known one in the world, a staggering carats. The cushion-cut stone is one of the world's largest and most famous sapphires, set in a brooch surrounded by 20 round-cut diamonds weighing 16 carats.
As large as an egg: Sotheby's to sell 'the greatest white diamond ever to appear at auction'
An auction house worker poses for the photographers in central London, Thursday, March 29, 2012 behind a diamond Camellia flower brooch, estimated to fetch some US$1.2-1.5 million in an upcoming auction. Christie's auction house will hold the 'Jewels For Hope: The Collection of Mrs. Lily Safra' sale in Geneva, Switzerland on May 14, 2012. The overall estimate for the collection is in excess of US$20 million.