Canadian Gemmological Association

Canadian Gemmological Association provides professional qualifications and general interest education on the scientific and alluring world of gemstones.

[Canadian Gemmological Association @CanGem3]

Visit https://t.co/GYWa8j02LL or email [email protected] for more information and submission details.

[Canadian Gemmological Association @CanGem3]

One More Week to Enter!!!

The CGA’s 8th Annual Emerging Artist Design Competition is now open. 💎

Open to students currently enrolled in a Canadian post-secondary jewellery design or metalsmithing program, as well as new graduates who graduated in 2025 or will graduate in 2026

[Canadian Gemmological Association @CanGem3]

We're also incredibly proud to celebrate last year’s winners:
✨ Farah Kathrada — Glitch Ring
✨ Xiaoduo (Jessica) Li — Boundless
✨ Michael Starnino — San Carlo
✨ Honourable Mention: Kai Shen — xxixx

📅 Entry Deadline: July 15, 2026 at 11:59 PM EST

[Canadian Gemmological Association @CanGem3]

Photo Credit: Chip Clark ; The National Museum of Natural History

[Canadian Gemmological Association @CanGem3]

Celebrating July's Birthstone — Ruby. ❤️

When most people think of a ruby, they picture a faceted red gemstone. But some of the world's most remarkable rubies look completely different.

[Canadian Gemmological Association @CanGem3]

The Rosser Reeves Star Ruby is famous for its natural six-rayed star, created by tiny needle-like inclusions within the gem. Rather than being cut to maximize sparkle, it's polished into a cabochon to showcase one of nature's most fascinating optical effects known as asterism.

[Canadian Gemmological Association @CanGem3]

Thinking about a career in gemmology? Learn more about the courses that can help shape your path in the field at the CGA Open House — happening next week, on July 9!

🕔 July 9, 2026 | 2–4 PM; 5–7 PM
📍 105–55 Queen St. East, Toronto

[Canadian Gemmological Association @CanGem3]

The CGA wishes everyone a safe and happy Canada Day! 🇨🇦💎

[Canadian Gemmological Association @CanGem3]

Visit https://t.co/GYWa8j02LL or email [email protected] to learn more or register.

[Canadian Gemmological Association @CanGem3]

From colour and cut to weight and proportions, professional grading requires a trained eye, specialized tools, and a thorough understanding of the factors that influence quality and value.

💎 Diamond Grading
📍 Vancouver
📅 August 3-8, 2026

[Canadian Gemmological Association @CanGem3]

This intensive, hands-on course provides practical training in the grading of colourless round brilliant-cut diamonds. Through guided exercises and professional equipment, students will develop the skills used to assess and evaluate diamonds with confidence.

[Canadian Gemmological Association @CanGem3]

Visit https://t.co/GYWa8j02LL or email [email protected] for more information and submission details.

[Canadian Gemmological Association @CanGem3]

CGA’s 8th Annual Emerging Artist Design Competition is now open. 💎

Open to students currently enrolled in a Canadian post-secondary jewellery design or metalsmithing program, as well as new graduates who graduated in 2025 or will graduate in 2026.

[Canadian Gemmological Association @CanGem3]

We're also incredibly proud to celebrate last year’s winners:
✨ Farah Kathrada — Glitch Ring
✨ Xiaoduo (Jessica) Li — Boundless
✨ Michael Starnino — San Carlo
✨ Honourable Mention: Kai Shen — xxixx

📅 Entry Deadline: July 15, 2026 at 11:59 PM EST

[Canadian Gemmological Association @CanGem3]

📍 CGA, 55 Queen St East, Lower Concourse #105, Toronto

Open to all — whether you're a long-time collector, a student, or simply curious about the world of gems, we look forward to welcoming you for a memorable evening.

[Canadian Gemmological Association @CanGem3]

Happening TODAY!!!

June Monthly Meeting: CGA Social / Potluck & Gem Trivia 💎🍽️

Join us on Wednesday, June 17, 2026 at 7:00 PM for an evening of good food, great company, and fascinating gemstones.

[Canadian Gemmological Association @CanGem3]

Bring your favourite dish to share and a gemstone from your collection for an informal show-and-tell. Enjoy conversations with fellow enthusiasts, test your gem knowledge, and discover the stories and features that make each stone unique.

[Canadian Gemmological Association @CanGem3]

Please visit https://t.co/GYWa8j02LL OR call our toll-free number 1-877-CGA-GEMM (US and Canada only) for more information or to sign up!

[Canadian Gemmological Association @CanGem3]

💎 Gem Appreciation – Toronto
📅 June 20, 2026 | ⏰ 9:30 am – 3:00 pm

[Canadian Gemmological Association @CanGem3]

Once reserved for the powerful, gemstones are now treasures anyone can enjoy. In this 5-hour course, discover the nature of gems, their enduring allure, and why it’s more important than ever to know a little before buying.