De Beers has reduced prices by an approximate average of eight per cent at its Diamond Trading Company (DTC) sight in August. The sight had an estimated value of about US $580 million and Sightholders noted that the price adjustments were executed across the board with larger declines of up to 17 per cent for better-quality goods, while the drop was more conventional for pique commercial-quality stones. R ion Tinto has launched its Ri Argyle Pink Diamonds Tender 2012, an increasingly rare opportunity to purchase the world’s most precious diamonds. This exceptional collection which showcases 56 single pink diamonds, including two red diamonds and an additional 19 lots of blue diamonds, will be previewed around the world in September and October. The Argyle Diamond Mine consistently produces virtually the world’s entire supply of Louise Prior, the head of sightholder services and communications for DTC, said that DTC had a four point plan for this sight to include price adjustments to reflect a fair return on rough to polish in line with prevailing polished demand. “The sight seems to have been well received by all and shows our confidence in the market for the rest of year,” Prior said.