Dutch Gem Academy
Coloured Gemstone Grading #1
WGF Colour Grading Systems

This five-day workshop includes practical instruction on how to access the hue, tone and saturation of coloured gemstones using three popular colour grading systems (Gemological Institute of America, GemDialogue and World of Color) and how to grade pearls, jadeite and opals.

Classes run from 11.00am to 2.00pm and 3.30pm to 6.30pm with scheduled coffee/tea breaks of 15 minutes.

All equipment will be provided by the Dutch Gem Academy.

Cost: 500 euros (including VAT)

2020 Workshops

To download the application form, please click here