A diamond cutter’s ultimate quest is to optimise the yield, beauty and profit from a rough stone. New technology is enabling manufacturers to map rough diamonds and assess their polished potential ...

The process of polishing stones is slow and tedious. The hobbyist knows that the polishing process cannot be rushed. The method is time-consuming, whether done mechanically or by hand, but the results ...

Luanda — The recently unveiled new diamond and special stones polishing firm "Stone Polished Diamond (SPD)", is to increase the present 2,000 carats /month output to 3,000 carats by 2020. According to ...