The Gemmological Association of Great Britain

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Address :
Number 21
Ely Place
London UK

Telephone Number : 020 7404 3334

Opening Hours : M/F: 9 - 5pm

The Gemmological Association of Great Britain - also known as GemA - is an international community of gemmologists who are committed to providing research, information and education to both professional trade members and enthusiasts.   They first launched a gem education course in 1908 and today that  qualification in its 21st century incarnation is recognised worldwide as the  Gemmology Diploma and can lead to election as a Fellow of the Gemmological Assocation.

GemA offer a foundation and diploma course in diamonds and coloured gemstones and also a number of shorter gem identification courses.