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The Diamond Trading Company (DTC) is the rough diamond sales and distribution arm of the De Beers Family of Companies. The DTC sorts, values and sells approximately 75% of the world's rough diamonds by value. The DTC has a combination of wholly owned and joint venture operations in South Africa (DTCSA), Botswana (DTCB), Namibia (NDTC) and the United Kingdom (DTC).

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