Sotheby's Hong Kong to hold Magnificent Jewels and Jadeite Autumn Sale

A model presents the jadeite cabochon necklace and jadeite plaque ring during a media preview of Sotheby's in Hong Kong, south China, Sept. 22, 2011. (Xinhua/Song Zhenping)

A model presents a 6.01-cart Cushion-shaped Fancy Vivid Blue Diamond and Pink Diamond Ring (top) with the estimated value of 70 to 85 million HK dollars (9 to 11 million U.S. dollars) and Golconda Pink (bottom), a rare 9.27 carat Golconda Fancy Vivid Pink Diamond and Diamond Ring with the estimated value of 100 to 150 million HK dollars (13 to 19 million U.S. dollars) during a media preview of Sotheby's in Hong Kong, south China, Sept. 22, 2011. (Xinhua/Song Zhenping)

A model presents the jadeite cabochon necklace and jadeite plaque ring during a media preview of Sotheby's in Hong Kong, south China, Sept. 22, 2011. (Xinhua/Song Zhenping)

This handout photo released by Sotheby's shows a 6.01-cart Cushion-shaped Fancy Vivid Blue Diamond and Pink Diamond Ring (top) with the estimated value of 70 to 85 million HK dollars (9 to 11 million U.S. dollars) and Golconda Pink (bottom), a rare 9.27 carat Golconda Fancy Vivid Pink Diamond and Diamond Ring with the estimated value of 100 to 150 million HK dollars (13 to 19 million U.S. dollars). (Xinhua/Song Zhenping)

A model presents diamond ornaments during a media preview of Sotheby's in Hong Kong, south China, Sept. 22, 2011. (Xinhua/Song Zhenping)