Two exhibitors eat while visitors look at semiprecious stones during the China International Jewellery Fair November 5, 2007. While diamonds are definitely still a must-have in the jewellery boxes of wealthy women in China; rubies, sapphires and other coloured gems are becoming popular too. Picture taken November 5, 2007. To match feature CHINA-JEWELLERY/ REUTERS/Claro Cortes IV (CHINA)