http://mynews.mychinab2b.com/EXPO 2010/precious-stones/ An auction of 11 licensed World Expo diamond and jade pieces yesterday earned a combined 21.64 million yuan (US$3.2 million). The auction attracted about 30 bidders. An anonymous bidder spent 12.6 million yuan on a blunt diamond called "the Star of World Expo." It was the most expensive item. Sun, 07 Feb 2010 14:33:31 MST en