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
Main Content
Research
Education
We offer standard to advanced practical workshops and ONLINE education programs on an ongoing basis at major gemological centres around the world and in Greece. … Read More... about Education
Services
All original research findings are utilized to develop educational lectures, programs and workshops, on a variety of gemological topics. Education programs have been … Read More... about Services
About
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
Profiles
Learn more about our experienced and talented instructors – Branko & Elena Deljanin, Dan Campbell, Dr Lore Kiefert, Randy Lightfoot, John Chapman. … Read More... about Profiles
Contact
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