Study Diamonds

Learn more about Gem-A’s globally recognised Diamond Diploma.


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Teaching centres


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Diamond courses

The international diamond industry is vast and multi-faceted, with many thousands of stakeholders performing vital roles throughout the diamond pipeline. The Gem-A Diamond Diploma is a trusted and highly respected industry qualification that is recognised globally as a signifier of rigorous and scientific diamond knowledge.

Diamond Diploma

On the Diamond Diploma course, you’ll gain a comprehensive understanding of diamonds and how the diamond market operates, enabling you to explore new career opportunities or enhance an existing career in a range of fields.


Diamond Grading & Identification​

This five-day in-person diamond grading course, culminating in a final exam, has been specially designed by Gem-A to serve those who are looking to expand their diamond skills and experience in a short period of time.​

How to Study with Gem-A

We have three different study options for you to choose from, in-person at our London HQ or through one of our Accredited Teaching Centres around the world, or by Online Distance Learning (ODL). Find out more below.

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Study at Gem-A London

Learners based in the UK can choose to study in person at the Gem-A London, situated a stone’s throw away from the world-renowned Hatton Garden.

Gem-A Accredited Teacher Centre Japan

Study at an ATC

Learners around the world can study in person at one of our 40 Accredited Teaching Centres (ATC) found throughout Asia, Europe, America and The Middle East.

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Study Online

Gem-A Online Distance Learning (ODL) enables you to study Gem-A’s Gemmology and Diamond qualifications from home and in your own time, no matter where you are in the world.

Download the Prospectus

Find out more about Gem-A by downloading the prospectus. You will find information about our courses, Gem-A’s history, student services and the world-renowned FGA DGA membership.

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