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Colombo Diamond Grading Classes

Through our unique combination of hands-on training and one-on-one coaching, you will learn to grade diamonds consistently and accurately using a modern gem microscope / 10x Loupe. Become proficient in GIA’s International Diamond Grading System™ and learn to read a GIA Diamond Grading Report.
You can take a lab class on its own, or as part of your GIA Accelerated Graduate Diamonds Diploma

Course Highlights

  • Grade diamonds as per, GIA’s grading standards for Clarity, Colour, Cut and Carat Weight
  • Learn to grade diamonds with the aid of 10x loupe as per market practice
  • Learn about diamond treatments for colour and clarity such as HPHT, coating, irradiation, fracture-filling, and laser drilling
  • Learn and identify the common diamond look-alikes (simulants) such as syntheticmoissanite, cubic zirconia, zircon, synthetic rutile, ST, GGG and YAG
  • Learn about synthetic diamonds (man-made / lab-grown diamonds)
Get introduced to the world of diamonds and coloured stones, with a focus on retail jewellery operations.

Course Highlights

  • Diamonds
  • Coloured stones
  • Jewellery and its care
  • Sales and marketing

Alumni Speak


per student
INR DGL Fees One day seminar fees
Class dates 16-20 Mar 21-Mar-15
Course fees 25,000 3,000
Refundable deposit 5,000 -
Total fees to be collected 30,000 3,000
* Refundable Security deposit of INR 5,000.00 is payable to    Srilankan Jewellery Association in equivalent amount in LKR
* Please note service tax is not applicable for this course

Upcoming courses

Diamond Grading Lab Class Apply Now

Seminar for Jewellers Apply Now

Both ( Diamond Grading Lab Class & Seminar for Jewellers)