Digital grading systems: ColourWise and Gemewizard.
Explore the digital world of coloured gemstone grading with two exciting colour grading systems; Gemewizard and ColourWise. Both systems have been designed to shorten the time it typically takes to become proficient grading coloured gemstones and the practical experience required to work in the trade.
Study at home! Course fees include a lifetime subscription to ColourWise, access to the Gemewizard online system, online exercises and the WGF study stone grading glass samples.