FAR East diamond demand restrained but strong gold demand spurs jewelry sales during Chinese New Year. Belgian polished suppliers hold prices firm despite weak trade at Antwerp Diamond Fair. Rough premiums improve but confusion remains over DTC BOX values. Prices stable at Petra Diamonds tender as company reports 1H revenue +13% to $101M, production +64% to 953,553 Cts. Titan Industries 3Q sales +25% to $493M, profit +19% to $33M. Japan’s Dec. polished diamond imports +28% to $67M, 2011 imports +17% to $814M.