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Index ranks diamond, gold-mining nations

New York – The Revenue Watch Institute, a New York-based nonprofit that promotes the transparent and accountable management of natural resources, recently released its 2013 Resource Governance Index, a ranking that includes a number of nations that mine gold and diamonds.

Grading the graders

No two diamonds are alike and it seems neither are their grading certificates. A survey by RapNet – the Rapaport Diamond Trading Network, found significant differences between laboratories grading the same diamond.