Sorters in London, Kimberley, Windhoek and Gaborone sort these diamonds into approximately 12,000 different categories based on size, shape, quality and colour.
American Broadcasting Company | Fox Broadcasting Company | Ford Motor Company | The Walt Disney Company | Royal Shakespeare Company | Hudson's Bay Company | East India Company | Dutch East India Company | McKinsey & Company | Neil Diamond | H. J. Heinz Company | Company | Peninsular and Oriental Steam Navigation Company | company | Bad Company | production company | Three's Company | Shell Oil Company | Goodyear Tire and Rubber Company | Glenn L. Martin Company | The Coca-Cola Company | Southern Pacific Transportation Company | Diamond Jubilee | Pullman Company | Marconi Company | Canon (company) | Victor Talking Machine Company | Negro Ensemble Company | Little, Brown and Company | Firestone Tire and Rubber Company |
NDTC (the Namibia Diamond Trading Company) is a 50/50 joint venture between the Republic of Namibia and the DTC; the mining and sorting arm of De Beers.