Welcome To EGL in Canada
EGL in Canada forms part of the EGL USA Group. The EGL USA Group comprises four North American laboratories: New York, Los Angeles, Vancouver and Toronto. We are firmly established as one of the world's premier independent group of gemological laboratories offering the fine jewelry trade and consumers reliable gemstone identification and professional grading and appraisal reports. You can read more about the history of the EGL USA Group
At EGL USA we have full service labs, unique in the industry, providing identification for rough and polished diamonds, colourless and coloured diamonds as well as coloured gems and pearls.
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?
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.