Diamond Trading Company has officially announced its rough diamond price adjustments so far in 2008, up to and including the forthcoming August Sight. %% “The DTC takes a long term, sustainable view on its pricing and decisions are influenced first and foremost by demand for polished”, commented Mahiar Borhanjoo, Executive Director of Sales and Client Services, DTC. “So far during 2008 DTC has seen strong and continuing consumer demand for most categories of polished diamonds, especially in the larger goods.” %% DTC notifies its sightholders of the price incraese at three stages in the year - ahead of annual results, and in advance of the two major trade shows in Las Vegas and Hong Kong. Since the beginning of 2008, DTC has increased the average cumulative price of its rough diamonds by 16.0%. With this, some boxes have been affected more than others, and the strongest increases this year have been predominantly in rough that produces highly sought after SI+ and +1ct polished. %% DTC handles around 40 percent of the world’s rough supplies by value.