HONG KONG, China – A 5.03-carat green diamond, believed to be the largest ever to appear on the market, was the highlight of Christie’s Hong Kong 30th anniversary celebrations on Thursday (March 31). Called the ‘Aurora Green’ the natural fancy vivid green diamond is expected to fetch between USD 16-20 million when it goes on the block in Kong Kong on May 31. Christie’s Asia Pacific Chairman, Francois Curiel said green diamonds were the rarest […]