The practical culmination of the Coloured Gem Professional.

Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days. Focusing on treatment and origin, discover the hands-on need-to-know basics in the gem business. Master the microscope to observe inclusions and internal features, while understanding gemmological examination and testing from the laboratory perspective. With practical loupe work, learn how to take these skills outside of the classroom in the field, whether buying, selling or just appreciating the wonderful world of the 'Big Three'. Accompanied by a Level 3 certificate of attendance. Successful completion of Level 1 and 2 is required to attend Level 3.

Prices for Hong Kong
Five-day classroom courses - HKD 16,800

General Terms & Conditions


Upcoming Level 3 courses

Coloured Gem Professional