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 ...

Have you ever found a Petoskey stone on a trip up north? They are so spectacularly beautiful that it’s no wonder they are designated as Michigan’s State Stone. The only problem with Petoskey stones is ...

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 ...