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LAB CLASSES

Participate, practice, and perform. GIA Lab classes provide an ideal blend of classroom instruction and hands on learning for developing or fine-tune grading skills and techniques. You can take a Lab class on its own, or as part of your GIA diploma programme.



Through a unique combination of hands-on training and one-on-one coaching, learn to grade diamonds consistently and accurately using modern gem microscopes and 10x loupe. Become proficient in the GIA 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 diploma.

Class At A Glance

  • Learn grading and identification techniques used by the Institute’s renowned experts
  • Detect natural, synthetic, treated, fracture-filled diamonds and their common simulants
  • Discover time-saving shortcuts to determine a variety of grading factors
Develop skills in grading the colour, clarity and cut quality of a wide range of coloured stones through hands on practice. Become proficient in GIA Colored Stone Grading System and develop your colour memory.

Class At A Glance

  • Learn to describe colour in terms of hue, tone and saturation
  • Gain professional insight into judging gem quality factors
  • Learn about the relationship between light and colour
  • Increase the consistency and accuracy of your coloured stone grading skills
Learn the same time-tested procedures and identification skills used by the Institute’s renowned gemmological experts. Along with this hands-on training, your instructors will carefully demonstrate key tests and coach you in quick, effective testing procedures.

Class At A Glance

  • Develop skills by practicing testing procedures and techniques on sets of practice stones
  • Study the latest gem treatments in the market and how illumination techniques can facilitate the identification process
  • Get to use the microscope, refractometer, polariscope, dichroscope, spectroscope, and loupe for identifying natural gemstones, imitations and synthetics
Discover how the world’s foremost experts determine the quality of Akoya, Freshwater, South Sea, and Tahitian pearls. Get trained by a member of the Institute’s respected team of experienced instructors.

Class At A Glance

  • Learn GIA’s 7 Pearl Value Factors™
  • Learn to evaluate cultured pearls in order to increase sales
  • Understand the relationship between beauty, value and quality in your merchandise

GIA : MUMBAI CAMPUS

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Alumni Speak

Udit Khunteta
Udit Khunteta
Diamond Grading Lab Class, Colored Stone Grading Lab Class, Co-Owner, Rajasthan Gems Jewellers, Chandigarh

My GIA training has given me the confidence to establish my business successfully. I recommend GIA to all those who want a flying start in the gem and jewellery industry.

Upcoming courses