Apply now to secure your space!
Explore your passion
for gemmology
Further your career and develop your skills with Gem-A’s comprehensive Foundation for aspiring gemmologists, jewellers, and gem enthusiasts. The only gemmology course leading to the globally recognised professional FGA membership designation.
The Gem-A Journey
Gem-A Foundation
-
Gem‑A Level 4
Certificate in Gemmology - 4, 6 or 9 months
- In-person or online*
Start here
Gem-A Diploma
-
Gem‑A Level 6
Diploma in Gemmology - 4, 6 or 9 months
- In-person or online*
FGA Membership Designation
Start your Gem-A journey with Gemmology Foundation
If you are passionate about gemstones or simply want to gain an understanding of gemmology to enhance your career in the gem trade, this course is for you.
Who is it best for?
- Beginners and enthusiasts
- Professionals and traders
- Business owners in the industry
Apply now to secure your space!
Upcoming course dates
ONLINE COURSE
Online • Global*
5th January 2026
Evening Course
In-Person • London
2nd February 2026
DAYTIME COURSE
In-Person • London
10th February 2026
"The training I acquired at Gem-A has given me accurate and professional skills in my daily valuations job; as a result, my team and clients appreciate the accurate jewellery appraisals I provide ahead of auction."

Baoming Li
Gem-A Graduate
Study Routes
Choose how and where you want to study. We have three different study options for you to choose from.
Study in London
We offer a fantastic range of facilities for on-site learning at our London headquarters, located next to Hatton Garden, the heart of London’s gem and jewellery trade
Study Online
Gem-A Online Distance Learning (ODL) allows you to study Gem-A Gemmology and Diamond qualifications from home and in your own time
Study at an Accredited Teaching Centre
Gem-A Accredited Teaching Centres (ATCs) are institutions, colleges and schools that have been approved to teach Gem-A courses
What you'll learn
Once completed you will be able to identify, test and handle a wide variety of gemstones — useful skills if you are handling gems on a daily basis.
Identify and test common gem materials
Recognise simulants, synthetics & treatments
Use gemmological tools confidently
Record and interpret gem test results
Upcoming Course Dates & Course Information
Qualification
Gem-A Level 4 Certificate in Gemmology
Eligibility criteria
Non-native English speakers must have an English qualification, e.g. Academic IELTS (Level 7) or TOEFL (score of 95-120)
Who can apply?
Everyone from complete beginners, amateur gem collectors and jewellery sales professionals, to jewellery designers and business leaders wishing to expand their knowledge.
Course materials provided
Fully illustrated Foundation course notes; practical workbook; portable instrument kit containing essential tools; and a stone set containing 20 rough and cut study specimens.
Membership of Gem-A
This is included for all students for the duration of their course and enables you to benefit from extra resources and publications.
Evening Course
Study In-Person
Location London
Start Date 2nd February 2026
Duration 4 months
Cost £3580
DAYTIME COURSE
Study In-Person
Location London
Start Date 10th February 2026
Duration 4 months
Cost £4195
THEORY + PRACTICAL
Study Online
Fast Track Course
Location Online
Start Date 5th January 2026
Cost £3300 - £4000*
*Prices vary dependent on where the in-person practical tuition and exams are sat.
ESTABLISHED IN 1908
Study with Gem-A
Get your globally recognised, industry-renowned qualification. Further your interests, kick start your career or develop your skills in gemmology.
Apply now to secure your space!