Sothebys April auction in Hong Kong 5.16 kt refers to the blue diamond rings

Sotheby's April auction in Hong Kong 5.16 kt refers to the blue diamond rings. March 8, 2010, London, Sotheby's auction house staff demonstrated a 5.16 kt blue diamond ring. Fengyun pear-shaped gem on April 7 will be auction in Hong Kong, are expected to be sold for the price of $ 5,800,000.