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G.M.P. has triumphantly established a reliable global network of diamond trading. G.M.P. Market’s diamonds to companies that sell and manufacture diamonds in several continents. In order to get in touch with one of G.P.M.’s representatives, please contact one of our offices. GHANA Accra (headquarter): Box 101 Tema – Accra, Ghana Phone: +233 54 523 6522 Email: info@gpmdiamonds.com USA Phone: +1 5