NEW YORK, NY -- A rare, 100-carat emerald-cut white diamond is going on the auction block in New York. Sotheby's says the internally flawless D color gem is considered "perfect." It's being offered on ...

NEW YORK (Reuters) - An eye-popping, 100-carat diamond, the highlight of a magnificent jewels sale in New York on Tuesday, sold for $22.1 million, Sotheby's auction house said. The perfect classic ...

A 100-carat diamond could bring up to $25 million dollars at auction this week. >> PHOTOS: Perfect 100-carat, $22 million diamond is some serious bling Sotheby's New York describes the diamond as ...

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