Course Dates

On this page you’ll find all of our upcoming course dates, plus information about the courses, all available delivery methods, and how to apply

Gemmology Foundation

Our Gemmology Foundation course is ideal for those keen to get the best start in their gemstone education. 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.

Code Name Start Date Duration Price (£)
F26OJANGemmology Foundation ODL (fast-track; with GAPP lab class)05/01/20266-months3300
F26OJAN-PGemmology Foundation ODL (fast-track; with London lab class)05/01/20266-months4000
F26EFEBGemmology Foundation on-site in London (Evening class)02/02/20264-months3580
F26DFEBGemmology Foundation on-site in London (Daytime class) 10/02/20264-months4195
F26OAPRGemmology Foundation ODL (Theory with Practical Lab Class at a GAPP centre)01/04/20269 months3300
F26OAPR-PGemmology Foundation ODL (Theory with Practical Lab Class in London)01/04/20269 months4000
F26PAPRFoundation lab class (ODL students only)22/04/20263-DaysN/A
F26PMAYFoundation lab class (ODL students only)06/05/20263-DaysN/A
F26PMAY2Foundation lab class (ODL students only)20/05/20263-DaysN/A
  • ODL – Online Distance Learning, ATC – Accredited Training Centre, GAPP – Gem-A Approved Practical Provider.

Gemmology Diploma

Our Gemmology Diploma is the most prestigious gemmological qualification in the gem and jewellery trade, building upon the practical and theoretical knowledge learned during the Gemmology Foundation course, leading to a more in-depth understanding of gemmology and the principles of gem testing and enhanced gem identification skills.

Code Name Start Date Duration Price (£)
D26PJANDiploma - London lab class (ODL students only)26/01/20265-DaysN/A
D26DFEBGemmology Diploma on-site in London (Daytime class)10/02/20264 months7325
D26EMARGemmology Diploma On-site in London (Evening class)23/03/20269 months5100
D26PMARDiploma - London lab class (ODL students only)23/03/20265-DaysN/A
D26OAPRGemmology Diploma Online Distance Learning08/04/20269 months4830
D26OAPR-PGemmology Diploma Online Distance Learning (with Practical Lab Class included)08/04/20269 months5900
D26PMAYDiploma - London lab class (ODL students only)11/05/20265-DaysN/A
  • ODL – Online Distance Learning, ATC – Accredited Training Centre, GAPP – Gem-A Approved Practical Provider.

Diamond Diploma

A comprehensive understanding of diamonds and diamond grading is essential for the buying, selling and trading of diamonds. One of the most valuable diamond qualifications worldwide, our Diploma will give you a comprehensive understanding of diamonds and how the diamond market operates.

Code Name Start Date Duration Price (£)
G26DFEBDiamond Diploma On-site in London (Daytime class)09/02/20264-months4150
G26PFEBDiamond Grading & Identification lab class23/02/20265-Days1490
G26PAPRDiamond Grading & Identification lab class13/04/20265-Days1490
G26OAPR-PDiamond Diploma ODL (Theory, with London lab class)20/04/20269 months4000
  • ODL – Online Distance Learning, ATC – Accredited Training Centre, GAPP – Gem-A Approved Practical Provider.

Lab Class Dates

All Online Distance Learning (ODL) students on Gem-A’s core courses are required to attend a lab class for practical tuition. The lab class provides ODL students with the opportunity to familiarise themselves with a wide range of gem materials and gem testing techniques that will enable them to accurately test and identify gem materials. Follow the steps below to register for your lab class.

Code Name Start Date Duration Price (£)
D26PJANDiploma - London lab class (ODL students only)26/01/20265-DaysN/A
G26PFEBDiamond Grading & Identification lab class23/02/20265-Days1490
D26PMARDiploma - London lab class (ODL students only)23/03/20265-DaysN/A
G26PAPRDiamond Grading & Identification lab class13/04/20265-Days1490
F26PAPRFoundation lab class (ODL students only)22/04/20263-DaysN/A
F26PMAYFoundation lab class (ODL students only)06/05/20263-DaysN/A
D26PMAYDiploma - London lab class (ODL students only)11/05/20265-DaysN/A
F26PMAY2Foundation lab class (ODL students only)20/05/20263-DaysN/A

Upcoming Events

Limited tickets available. Secure your place now.
Gemmological Instruments
Meet the Author
Rui Galopim de Carvalho
Thursday, June 5
Decorative plate made of Tortoiseshell which is a material produced from the shells of the larger species of tortoise and turtle.
Gemmological Instruments
Meet the Author
Maggie Campbell Pedersen
Thursday, June 12

Christmas Closure

The Gem-A office will be closed from 3pm Wednesday 24th December 2025 for the holidays, reopening 9am Friday 2nd January 2026.

Season’s greetings from all of us at Gem-A!