"Two radiant rocks cut from the 316-carat Ponahalo diamond" will be sold at Christie’s this week:

"The pair of megadiamonds, weighing in at 102 and 70 carats, respectively, are expected to draw high bids, with the larger jewel predicted to sell for $4 million and the smaller gem a mere $2.2 million."

A "portion" of the proceeds will benefit the Diamond Empowerment Fund which was founded in the wake of Russell Simmon’s factfinding/pr expedition to South Africa and Botswana.

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2006′s Unfinished Agenda: Truth, Justice & Diamonds