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Diamond Grading Course – Toronto – Jan 2026

January 16 - January 31
$1895

Career Course | Diamond Grading  | Toronto | January, 2026

Classes: January 16,17,24, 25 and 31, 2026

Class Schedule: 9:00 am to 5:00 pm; 7 hours per day / 35 hour course

No Prerequisites. However, for individuals without any gemmological or trade background it is highly recommended that they first take the Talking Diamonds and Diamond and Diamond Imitation course.

An intensive, hands-on course which will provide knowledge and skill in the grading of colourless, round brilliant cut diamonds. Please note: this course focuses on the diamond grading process, not the identification of diamond and/or its simulants. All necessary major equipment is provided, but students should bring their own pocket instruments (which are available at reasonable cost on-site). Required course textbook may purchased separately. Class size is limited to a maximum of 8 students.

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Syllabus:

  • diamonds: their formation and physical properties
  • instrumentation for grading
  • packaging/handling of loose diamonds
  • colour grading
  • cut (make) grading
  • weighing diamonds; including nomenclature, and tolerances
  • estimation of weight from dimensions
  • grading of single cut melee
  • influence of colour, clarity, cut and weight on pricing.

Requirements:

  • 10x triplet jeweller’s loupe
  • gemmological tweezers
  • table guage
  • angle card
  • students may bring their own or purchase from the CGA

Details

Venue