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Advanced Courses in Gemmology
The following courses are required credits towards the Accredited Gemmologist (C.I.G.)® diploma.
See course outline or View/Download brochure (PDF)
GEM 210 DIAMOND GRADING
Theoretical and Practical Course
- Course Type: Combination of correspondence and evening course or completion during one-week practical classes in selected cities. DIAMOND GRADING certificate after written and practical exam.
- Prerequisite: Course GEM 130
- Fee: $ 995 includes home study lessons (must be completed prior to practical class), grading projects with actual diamonds, study materials and exam fee (no HST) but does not include the textbook “Diamond Grading ABC: Handbook of Diamond Grading” by Pagel Theisen, 2007 (price $ 80) Click here to see course materials
In ten (10) assignments you learn the basic knowledge to buy, sell and evaluate diamonds effectively. In five (5) practical sessions you grade diamonds for clarity, colour and cut (according to GIA and European (CIBJO) grading standards) including performance and device based approaches such as AGS (American Gem Society) ASET, Hearts & Arrows (Ideal Scope), Cut Advisor and the AGS Visual Proportion Analyser (download from bottom of page). Special procedures for assessing the quality of mounted diamonds will be shown.
Course Content: 1. Introduction to Diamond Grading 2. Determination of Colour Grades 3. Clarity Nomenclature and Grading 4. Cut and Proportions 5. Evaluation of Colour, Clarity and Cut 6. Diamond Grading Procedure 7. Representation of external and internal features 8. Practical Grading of Clarity, Colour and Cut 9.Proportionscope and Fancy Cuts 10. Grading Tools, Recutting, Diamond Imitations, HPHT Treatments, Synthetic Diamonds
View/Download course brochure (PDF)
To Register, please call: 604-530-8569
To register on-line go here.
GEM 220 ADVANCED GEMMOLOGY
- Course Type: Correspondence only.
- Prerequisite: Fine Jewellery Expert (C.I.G.) and GEM 210
- Fee: $ 595 includes all study materials and exam fee (for “Gemmologist” designation completion of GEM 230 required).
This comprehensive correspondence course reviews the aspects of theoretical and descriptive gemmology and contains 18 lessons with multiple-choice and essay-type questionnaires. It is the prerequisite for course 250 Gem Identification II (Advanced) and also provides the scientific background necessary for the advanced gem identification class.
To Register, please call: 604-530-8569
GEM 230 COLOUR GEM GRADING
- Course Type: Correspondence Course. COLOUR GEM GRADING certificate after written and practical exam.
- Prerequisite: Fine Jewellery Expert (C.I.G.), GEM 210 and 220
- Fee: $ 595 includes 10 correspondence lessons, practical grading project (available as home-study kit), colour charts, appraisal guide-lines and the required text: The Ruby, Sapphire and Emerald Buying Guide. Colour vision test provided.
In the correspondence part of this course appraisers, buyers and sellers of colour gems will learn what causes colour in gemstones and how to describe and evaluate them. In the practical class several commercially available colour grading systems will be used. Course topics include: the four C’s of coloured gems, the theory of light and colour, quality factors in emerald, ruby, sapphire and other gems.
C.I.G. Gem Colour Grading Projects
To Register, please call: 604-530-8569
GEM 250 GEM IDENTIFICATION II (Advanced)
- Course Type: Four-day week-end seminars, one-week practical class in major cities. Certificate after written and practical exam.
- Prerequisite: “Gemmologist” certificate or similar gemmological qualification.
- Fee: $ 995 ($ 200 exam fee for A.G. diploma not included); comprehensive study guide, Gemstone Inclusion Library, use of lab equipment and study stones. Recommended optional text: Handbook of Gem Identification by Liddicoat (12th ed.)
In this course students will learn state-of-the-art techniques including immersionscope, konoscope, video-spectroscopy, etc. designed to identify confidently any gemstone encountered in the industry. Between 100 and 120 challenging gems including the most recent synthetics are available for testing.
Here a brief list of man-made gems in our study collection: Chatham, Kashan, Ramaura, Knischka, Lechleitner, Regency, Biron, Lenix, Gilson, Tairus rubies, sapphires, emeralds, alexandrite, opal and many others. Gem enhancement techniques such as heat-alteration, surface colour diffusion, irradiation and glass filling are studied.
Hands-on exercises with our portable in-house developed GL Gem Spectrometer and GL Gem Raman system. Practicing gemmologists may use this lab class to up-grade their skills.
To Register, please call: 604-530-8569
WGS Founding Member