The Gemmological Association of Great Britain

Unveiling the Secrets of Gems


Since its establishment in 1908, the Gemmological Association of Great Britain (Gem-A) has been synonymous with excellence in gem and jewellery education. For over a century, Gem-A has been a pioneer in providing comprehensive education in gemmology, starting with the UK’s first gem course. Over the years, it has expanded its educational reach globally, offering esteemed diplomas in Gemmology and Diamonds that are renowned for their rigour and international recognition. Gem-A’s commitment to quality education has made it a trusted name in the gemological community worldwide.

Gem-A: More Than Just Education

Founded in 2003, Gem-A has evolved into a dynamic global community of gem professionals and enthusiasts. Beyond its educational programs, Gem-A plays a pivotal role in advancing gemological research and supporting the broader interests of the gem and jewellery sectors. Members benefit from exclusive access to state-of-the-art gemological equipment, along with a vibrant calendar of events, conferences, and workshops. Moreover, Gem-A’s publications, including The Journal of Gemmology and Gems & Jewellery, serve as authoritative resources, further cementing its status as a leading institution in the field of gemology. Join Gem-A to explore the fascinating world of gems and connect with like-minded individuals passionate about the beauty and science of gemstones.

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Monday09:00 AM05:00 PM
Tuesday09:00 AM05:00 PM
Wednesday09:00 AM05:00 PM
Thursday09:00 AM05:00 PM
Friday09:00 AM05:00 PM
Closed now. See you soon!