Canadian Gemmological Association

Register today by reaching out via email, info@canadiangemmological.com, or 1-877-CGA-GEMM (US & Canada only).

Explore how diamonds are formed, their unique physical and optical properties, the artistry behind cutting and polishing, and how the 4Cs—cut, clarity, colour, and carat weight—shape their beauty and value. You’ll also gain hands-on experience using a loupe and diamond tweezers.

✨ Discover the brilliance of diamonds ✨ Join us for a 5-hour course that makes learning about diamonds simple, practical, and engaging. 📅 Date: March 28, 2026 📍 Location: CGA Classroom, 55 Queen St East, Suite #105, Toronto

Please visit canadiangemmological.com OR our toll-free number 1-877-CGA-GEMM (US and Canada only) for more information or to sign up!

Date: March 21, 2026 Time: 9:30 am – 3:00 pm (5 hours plus half-hour lunch break) Location: CGA Classroom, 55 Queen St East, Lower Concourse #105, Toronto Photo Credit: Kourosh Mirabian

Happening this weekend! ✨ Discover the luminous world of opals — nature’s most unique gem and October’s dazzling birthstone.

Please visit canadiangemmological.com OR our toll-free number 1-877-CGA-GEMM (US and Canada only) for more information or to sign up! (Image Credit – Kourosh Mirabian)

While not a prerequisite, this course provides an excellent foundation and compliment for those planning to take our Pearl Stringing course. Join us on April 25, 2026 to learn about Pearls in Toronto, ON!

This 5-hour course delves into the enchanting beauty of pearls—their subtle glow, timeless appeal, and natural mystique. As June’s birthstone and one of the ocean’s most treasured gifts, pearls offer a fascinating gateway into gemmology and jewellery artistry.

📅 When: April 06, 2026 – July 22, 2026 🕘 Time: 9:00 am – 4:30 pm 📍 Where: CGA Classroom, 55 Queen St East, Suite #105, Toronto ✉️ To register, please email info@canadiangemmological.com

💎 Accelerated Professional Gemmology One course. Two credentials. Become a qualified gemmologist in just 4 months with this intensive program, designed for those eager to apply their training quickly and earn two credentials (FCGmA & FGA) in one course.

Open to all — if you enjoyed our November diamond session, you won’t want to miss this one.

As an R&D scientist at JTR, she delivers technical training and supports jewellers in implementing advanced diagnostic tools such as the Reveal 2S. Her work bridges science and industry, promoting reliable natural-vs-lab-grown detection and best practices across the gem trade.

💎 Happening this week — CGA Monthly Meeting Join us this Wednesday for an evening with Dr. Atieh Tootoonchi as we explore the practical side of identifying lab-grown diamonds. 📅 Wednesday, March 18, 2026 📍 CGA Classroom, 55 Queen St East, Lower Concourse #105, Toronto

Happening TOMORROW! 💎 Thinking about a career in gemmology? Step into the new year with our CGA Open House and explore the courses that can help shape your path in the field. 🕔 March 12, 2026 | 12–3 PM and 5–8 PM 📍 105–55 Queen St. East, Toronto