NDTC was established primarily to drive local beneficiation of diamonds to archieve growth annd support the downstream diamond industry in Namibia. Government owns the diamonds and de Beers is the trading Brand. NDTC's primary objective is to drive local beneficiation from diamonds by growing and supporting the downstream diamond industry in Namibia.

This is done by facilitating the creation of a sustainable diamond cutting and polishing industry in Namibia, with the broad aim to ensure the maximum, long-term value from Namibia diamonds.