Contact Us

The CGA classroom is conveniently located one block east of Yonge Street (Queen subway station), across from St Michael’s Hospital in Toronto’s downtown jewellery district. Toronto is a thriving multicultural metropolis, heart of the country’s financial and business sector, and a vibrant artistic centre.

The Canadian Gemmological Association
55 Queen St East, Suite #105
Toronto, ON M5C 1R6
1.877.242.4366 or 1.877.CGA.GEMM


There is a Toronto Parking Authority multi-level garage entrance on Queen Street (one building west), with another entrance from Richmond Street, one block south (westbound only). There is also a ground level parking lot at Mutual Street off Queen (two blocks further east).

Our Classroom

Enter the street level lobby of 55 Queen St East, go down the stairs to the Lower Concourse, and left through the glass doors to find the classroom immediately to the left in the corner.