• Understanding Diamond Imitations – Toronto – September 12 & 13, 2026

    CGA Classroom, Toronto 55 Queen St East, Suite #105, Toronto, Ontario, Canada

    General Interest | Understanding Diamond Imitations  | Toronto | September 12 and 13, 2026 | 9:30am-3:00pm This 10-hour (2 day)course will help the student to recognize the physical and optical […]

  • Scarborough Gem & Mineral Club

    Highland Hall University of Toronto

    Highland Hall U of T Scarorough Campus 1265 Military TrailToronto, ON   The CGA will have a table at this show.  Please come and look for us there.

  • Professional Gemmology (Second Year) – September 15, 2026 to May 13, 2027

    CGA Classroom, Toronto 55 Queen St East, Suite #105, Toronto, Ontario, Canada

    Professional Gemmology | Toronto | September 15, 2026 to May 13, 2027 With this part-time option, the full professional gemmology program is divided into two parts - Gemmology Basics and […]

  • Intro To Gem Identification – Toronto – September 19 & 20, 2026

    CGA Classroom, Toronto 55 Queen St East, Suite #105, Toronto, Ontario, Canada

    General Interest | Intro to Gem Identification  | Toronto | September 19 and 20, 2026 | 9:30am-3:00pm This 10-hour, 2-day, hands-on course, focuses on gem identification. Building on the visual […]

  • Talking Pearls – Toronto – September 26, 2026

    CGA Classroom, Toronto 55 Queen St East, Suite #105, Toronto, Ontario, Canada

    General Interest | Talking Pearls  | Toronto | September 26, 2026 This 5-hour course delves into the enchanting beauty of pearls—their subtle glow, timeless appeal, and natural mystique. As June’s […]

  • Ancaster Gem, Mineral, Bead & Jewellery Show

    Ancaster Fairground 630 Trinity Road, Ancaster, Canada

    Ancaster Fairground630 Trinity Road, Ancaster, ON  L0R 1R0 (corner of Hwy 52 & Hwy 53) This relatively new show was first held in 2009 and features not just gem and […]

  • Talking Opals – Toronto – October 3, 2026

    CGA Classroom, Toronto 55 Queen St East, Suite #105, Toronto, Ontario, Canada

    General Interest | Talking Opals  | Toronto | October 3, 2026 This 5-hour course explores the luminous world of opals, their mesmerizing play-of-color and timeless allure. As October’s birthstone and […]

  • Pearl and Bead Stringing – Toronto – October 17, 2026

    CGA Classroom, Toronto 55 Queen St East, Suite #105, Toronto, Ontario, Canada

    General Interest | Pearl and Bead Stringing | Toronto | October 17, 2026 | 9:30am-3:00pm Historically, pearls have been symbols of wealth, purity, and refinement, often adorning crowns and jewellery […]

  • Gem Appreciation – Toronto – October 24, 2026

    CGA Classroom, Toronto 55 Queen St East, Suite #105, Toronto, Ontario, Canada

    General Interest | Gem Appreciation | Toronto | October 24, 2026 This 5-hour course explores the nature of gemstones and their timeless allure, and investigates why it’s more important than […]