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Inside the Richest Diamond Mine on the Planet

Tuesday, 21 Aug 2012 | 12:00 AM ET

CNBC's Bob Pisani takes you inside the king of all mines -- DeBeers crown jewel, the Jwaneng mine located in Botswana. At two miles high and more than a quarter mile deep, the mine produces 12 to 15 million carats per year, about 10 percent of the world's diamond supply.