• GemIntro

    Coming Soon: GemIntro - level 2, online, entry-level course

  • Gishop Min

    Coming Soon: Gem-A Instruments - brand new online store

Upcoming Events

At the heart of our association are our members and we host a number of events both in London, within the UK and around the globe where members can connect with Gem-A staff, fellow gem enthusiasts and professionals from within the trade.

Jan 12
Gem-A Open Evening 2022



Have you always wanted to learn about gemmology but weren't sure where to start?

Gem-A is the oldest gem and jewellery educator in the world. We are based in London's historic jewellery quarter and, in January, we are opening our doors for you to come along, meet the team and try some gemmology for yourself.

16:00 - 19:00

Gem-A Open Evening 2022

12 Jan
16:00 - 19:00


Have you always wanted to learn about gemmology but weren't sure where to start?
Gem-A is the oldest gem and jewellery educator in the world. We are based in London's historic jewellery quarter and, in January, we are opening our doors for you to come along, meet the team and try some gemmology for yourself.
One lucky attendee will also win up to 10% off their chosen course, so it's well worth a visit. We will randomly select a registrant after the open evening and email them with the good news!
Drop in anytime between 16:00 and 19:00 - we will have activities running throughout the evening and plenty of staff on hand to answer your questions.

    Here is what you can expect:
  • Take a look at advanced gemmology instruments and laboratory equipment
  • Explore Europe's largest gemmological library
  • Get acquainted with gemstones and minerals, and look through the microscope
  • Partake in a 20 minute mini-class! Loupe and Lighting: A Gemmologists Best Friend , Are Diamonds Forever? and Diamonds: Colour grading 101


About Gem-A

About Gem-A

The Gemmological Association of Great Britain, or Gem-A, is the world’s longest established provider of gem and jewellery education. Our Gemmology Diploma evolved from the first gem course proposed for the UK jewellery trade in 1908, and our prestigious Gemmology and Diamonds Diplomas — taught in seven different languages and 26 countries around the world — are recognised throughout the world.

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Education at Gem-A

Education at Gem-A

You will learn about coloured gems and diamonds, their identification, value factors, and the many challenges of treatments and imitations — crucial knowledge for buyers, sellers and valuers of gems, as well as gem collectors who, attracted by the extraordinary beauty of gemstones, simply wish to pursue a new hobby.

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Gem-A Memberships

Gem-A Memberships

Continue your professional development by becoming a member of Gem-A. We offer individual and corporate membership, which will keep you up to date with the latest developments in gemmology. Membership also gives you the chance to connect with Gem-A’s global community of gem enthusiasts, graduates and professionals.

Renew Your Membership for 2022

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Gem Hub

Gem Hub

Gem Hub is an educational resource for aspiring and professional gemmologists. Here, you will find a range of articles dedicated to enhancing your gemmological knowledge as well as informative features that delve deeper into specific topics. Gem Hub spotlights the latest Gem-A news from around the world and includes extracts from past issues of our membership magazines, The Journal of Gemmology and Gems&Jewellery.

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Gem-A Instruments

Gem-A Instruments

Gem-A have been providing education for over 110 years and Gem-A Instruments have supported Gem-A students and Members with essential equipment for over 50 years. If you are a current Gem-A Member, you will already have been assigned log in details, for access to your discounted rates from Gem-A Instruments.

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