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The Responsible Jewellery Council (RJC) has announced that the International Diamond Manufacturers Association (IDMA), one of the world's leading authorities in the diamond industry, has joined its membership

International Diamond Manufacturers Association (IDMA) joins the RJC

The Responsible Jewellery Council (RJC) has announced that the International Diamond Manufacturers Association (IDMA), one of the world’s leading authorities in the diamond industry, has joined its membership.

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