A Christie's employee displays the largest color "flawless" diamond ever to be offered for sale, weighing 101.73 carats, which sold for $27 million at Christie's auction house in Geneva, Switzerland. The largest pear-shaped color flawless diamond was expected to reach 28 million Swiss Francs, or $30 million, and was the highlight of the "Magnificent Jewels" auction on May 15.
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