Discovery Channel's GAME OF STONES to Debut 2/28
by Tyler Peterson - February 04, 2014 Billions of dollars in precious stones are unearthed each year, but the rarest never make it to the open market. That's where Don Kogen, America's most extreme gem hunter, comes in. Kogen is CEO of Gem Guys, Inc., and a legend in the business. He specializes in rare stones from the most dangerous an... |
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