Giant 74-carat white diamond hits the auction block

Posted at 10:43 AM, Apr 15, 2013
and last updated 2013-04-15 10:47:25-04

There’s big and then there’s BIG. Rare gem collectors are paying close attention to Sotheby’s ‘Magnificent Jewels’ spring auction this week in New York. The highlight is an exceptional pear-shaped diamond that’s over 74 carats. It could fetch $12 million.

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