Brussels, 01/02/2007 (Agence Europe) - The European Commission has closed an investigation into the rough diamond market, on the basis of increased transparency in De Beers' distribution arrangements, known as Supplier of Choice (SOC). At the Commission's request, De Beers, the world's largest rough diamond producer, has revised the mandate for the Supplier of Choice Ombudsman, who safeguards the objectivity of the SOC distribution system. The revised mandate of the Ombudsman will allow...