Two Cubic Zirconias. One cut to Ideal proportions with Hearts and Arrows, and one cut to Poor proportions.
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Canadian Gemmologist Autumn 2008
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Information Guide to HPHT-grown and CVD-grown Diamonds. GHI Releases Second Edition of the Book A unique guide for gemologists from the pioneers of lab-grown diamond research and certification… with additional chapters, breakthrough research results, n
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A practical guide to selecting the right jewelry for your lifestyle, budget, and body type.
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Diamond Handbook: A Practical Guide to Diamond Evaluation
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EGL Brilliance Reports
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A beautiful wooden gem or ring box with an EGL gem tag identification inserted into the bottom.
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A simple bright coloured lens to indicate a diamond's brilliance.
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The High-Pressure High-Temperature process Explained.
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The EGL USA Synthetic and Treated Diamond Education Set
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Education Programs
Introduction to Diamond Grading
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How to Sell Diamonds with EGL Certificates
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Buying Better Quality Diamonds
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Member of Canadian Jewellers Association
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Informative Articles
Informative Articles
To keep you abreast of new discoveries in gemstone research, synthetics and treatments, we have listed a selection of informative articles written by experts in their field. Check this page regularly for updates.
"European Gemological Laboratory Defines SI3"
Adding the SI3 clarity grade to the grading system was the next logical step.
'The Scoop on synthetics'
Can we ID them? Should we grade them? Do we need them?
'Cultured Confusion'
Should a man-made diamond be called "synthetic", or "cultured" and who are the important players in this controversial addition to the diamond industry?
"A Gemological Study of A Collection of Chameleon Diamonds"
The rarity of chameleon diamonds and their interest for the connoisseur are due to their unusual ability to change color temporarily when heated to about 150C, or after prolonged storage in the dark.
"Interpreting Diamond Morphology" - Part I
A diamond's morphological features reflect conditions of diamond formation and represent a unique characteristic than can be used to identify details of the sources of diamonds.
"Interpreting Diamond Morphology" - Part II
Morphological features reflect conditions both during diamond formation and also after emplacement, especially where alluvials are concerned.