ABOUT GIA WORLDWIDE
- Established in 1931, GIA is considered the world’s foremost authority in gemmology. Present in 13 countries, with 10 campuses, 4 research centres and 9 laboratories analyzing some of the world’s most notable gems.
- GIA is a nonprofit institute dedicated to continuous education and research in the field of gems and jewellery.
- GIA’s mission is to ensure public trust in gems and jewellery by upholding the highest standards of integrity, academics, science and professionalism.
- GIA created global standards to accurately determine diamond quality (4Cs – Colour, Clarity, Cut and Carat Weight), coloured stones and pearls (GIA’s 7 Pearl Value Factors™ – Size, Shape, Colour, Lustre, Surface Quality, Nacre Quality and Matching).
I learned more in one week than I would have with a year’s experience of work.
Diamond Grading Lab Class, Chief Evangelist-Kiora Amorez Calicut
LAB CLASSES AND COURSES FOR WORKING PROFESSIONALS
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.
- 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 colour and clarity such as HPHT, coating, irradiation, fracture-filling, and laser drilling
- Learn and identify the common diamond look-alikes (simulants) such as synthetic moissanite, cubic zirconia, zircon, synthetic rutile, ST, GGG and YAG
- Learn about synthetic diamonds (man-made / lab-grown diamonds)
- Grade coloured stones as per GIA’s grading standards for Colour, Clarity, Cut quality
- Learn to describe a gemstone's colour in terms of hue, tone, and saturation
- Learn to judge gem quality factors
- Learn about the relationship between light and colour
- Develop your colour memory
- Understand accurate gem-testing procedures and techniques
- Study the latest gem treatments available in the market today
- Practise identification of gemstones with the aid of a 10x loupe, Microscope, Refractometer, Polariscope, Dichroscope, and Spectroscope
- Learn to identify natural gemstones, imitations, and synthetics
- 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
- Learn the methodology of using a tripod, tweezers and a loupe
- Learn to sort diamonds by their Colour, Clarity and Cut
- Work with small diamonds up to 10 points
- Sort diamonds based on sieve sizes