Branding of polished diamonds and gems with country of origins is very important, however there are still scientific methods needed to be developed for fast and … Read More... about Research
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We offer standard and advanced workshops and education programs on an ongoing basis at major gemological centres around the world and in Vancouver, Canada. At … Read More... about Education
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Gemmological Research Industries Inc. (GRI) is a consulting company that specializes in the identification, grading and evaluation of gem quality rough, polished and … Read More... about About
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Learn more about our talented experts - Branko & Elena Deljanin … Read More... about Profiles
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If you are interested in our research, education, or services, we would love to hear from you. Please get in touch. … Read More... about Contact