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Study Time

4 - 9 Months


Gem-A Level 5 Diploma in Gem Diamond

Diamond Diploma

Diamonds are the most commercially important gem material, with a huge global market. A good understanding of diamond and diamond grading is essential for the buying, selling and trading of diamond. One of the most comprehensive and valuable diamond qualifications worldwide; with our Diploma you will gain a comprehensive understanding of diamonds and how the diamond market operates. You will study all of the factors that affect a diamond’s appearance and properties, learn about diamond grading, the 4Cs (carat weight, colour, clarity and cut) and the other factors that influence value, as well as how to identify and recognize imitations, synthetics and treatments.

Graduates of the Diamond Diploma course can apply for Diamond Membership of Gem-A, allowing them to use the letters DGA after their name. DGA status conveys a student’s knowledge, integrity, membership of a professional body and commitment to professional development, and is highly recognised within the trade. Your name will appear on the FGA and DGA register, available to the public to view on our website, so anyone can see that you are qualified and a registered Member with us — ensuring their peace of mind whilst advertising your knowledge and integrity.


You can enquire about one of our courses by using the form below. Simply select the course you'd like to attend, fill in your details and click submit. A member of our Education Department will review your form before contacting you about your enquiry.

Alternatively, you can download a course application form from our Student Resources section. Once you've completed this you can email this to us at or post it to: Education Department, 21 Ely Place, London, EC1N 6TD.

If you have any other questions you can e-mail us at or call us on +(44) 0207 404 3334.




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