John R. is an experienced professional in the diamond industry, serving as Algemeen directeur at Radi Diamonds bv since June 1994. In this role, John R. specializes in the valuation and manufacturing of rough diamonds, as well as the production of high-end polished diamonds and jewelry. Additionally, John R. has held the position of Ondernemer at Diamond Manufacturing Company since August 1992, further demonstrating a longstanding commitment to excellence in diamond manufacturing.
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