GIA Programmes

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 requirements when earning your credential through Distance Education.

200+ students

Diamond Grading Lab Class (5 Days)

Grade diamonds as per, GIA’s grading standards for Colour, Clarity, Cut & Carat Weight
Learn to grade diamonds with the aid of 10x loupe as per market practice
Learn about diamond treatments for color and clarity such as HPHT, coating, irradiation, fracture-filling and laser drilling
Learn and identify the common diamond look-alikes (simulants) such as laboratory-grown moissanite, cubic zirconia, zircon, laboratory-grown rutile, ST, GGG and YAG
Learn about laboratory-grown diamonds (man-made and lab-grown diamonds)

Colored Stones Grading Lab Class (3 Days)

Grade coloured stones as per GIA’s grading standards for Colour, Clarity, Cut quality
Learn to describe a gemstone's color in terms of hue, tone and saturation
Learn to judge gem quality factors
Learn about the relationship between light and color
Develop your color memory

GEM IDENTIFICATION LAB CLASS (5 Days)

Understand accurate gem-testing procedures and techniques
Study the latest gem treatments available in the market today
Practice identification of gemstones with the aid of a 10x loupe, microscope, refractometer, polariscope, dichroscope, and spectroscope
Learn to identify natural gemstones, imitations and laboratory-grown

Pearl Grading Lab Class(1 Day)

Learn to determine and evaluate the quality of cultured pearls such as akoya, freshwater, South Sea, and Tahitian pearls
Learn GIA’s 7 Pearl Value Factors™ : Size, Shape, Colour, Lustre, Surface Quality, Nacre Quality and Matching

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About GIA

Established in 1931, GIA protects the public through gemmological research, education, impartial gem identification and grading services, and instrument development. The world’s foremost authority in gemmology and creator of the 4Cs, GIA sets the standard for determining the quality of diamonds and performs research-based identification of coloured gems and pearls. All of GIA's activities are governed by its mission to serve the public. Learn More