Setting the Standard for Excellence

Welcome to the Canadian Gemmological Association, Canada's professional organization for the practice of gemmology. Founded in 1958 it has set the standard for excellence in the practice of gemmology. The CGA is a non-profit, membership association and educational institute providing education in the field of gemmology and provides a forum for Canadian gemmologists to meet and share knowledge and experiences.
This website contains information about our organization,
including information on membership, meeting times, annual Gem Conferences and more.

Books, literature and a full range of gemmology equipment.

CGA 50th Anniversary

Photographs of the 50th Anniversary

Gem Conference and Graduation.

General Interest

Courses for persons who want to learn more about gems without undertaking professional training.

Learn More

Advanced Courses

The CGA's advanced courses are designed for trade professionals who have a professional gemmology diploma or are current gemmology students.

Learn More

Professional Courses

For over 54 years, the CGA has offered professional gemmological training in Canada, preparing students to earn the internationally recognized Diploma in Gemmology, and Fellowship with the CGA (FCGmA). Learn More

Trivia Night Teaser

Test your knowledge of gems and gem trivia by trying our interactive quiz.
Thank you to Gem Trivia Night Quizmaster and former Director of Education, Anita Beardwood for contributing the questions.

Go to Online Quiz

Head office - downtown Toronto location:

The Canadian Gemmologial Association
55 Queen St East, Suite LC #105, Toronto, ON M5C 1R6

Our classroom is located on the Lower Concourse, 55 Queen St East, Toronto

Our new telephone number is 647-466-2436

CGA Open House - May 2013

Prospective students are invited to attend our

OPEN HOUSE

Wednesday May 29, 2013 5:00 pm - 7:00 pm

CGA Classroom, Lower Concourse, 55 Queen Street East, Toronto, ON M5C 1R6

647-466-2436
Learn about full-time day or part-time evening professional gemmology courses in Toronto

The CGA's courses provide essential professional training to the gem and jewellery trade. For the new-entrant, the trade veteran or the hobbyist, the more you know, the more you'll appreciate this fascinating field. In addition to our professional gemmology programs, the CGA also offers general interest classes and advanced courses.

Fall 2013 Professional Programs

Gemmology Accelerated Program - Full-time Daytime: Sept 3 to Dec 19, 2013; 4 days/week (Mon-Thurs)
Jewellery Associate - Gemmology Specialist - Part-time Evening: September 24, 2013 to May 20, 2014; 1 evening/week (Tuesdays)

Gemmology Program - Part-time Evening

September 30, 2013 to May 28, 2014

2 evenings/week (Mondays & Thursdays)

Coloured Gemstone Grading and Valuation Workshop Dates 2013

New dates have been set for the next Coloured Gemstone Grading and Valuation workshop taught by Helmut Koenig. The next sessions will be held Friday July 19 through Sunday July 21, 2013. Please note our new lower price of $595 for this course. For further information regarding the course and registration, visit our Advanced Courses page.