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Research Leaders with World Expertise
Welcome to CGL-GRS Swiss Canadian Gemlab Inc.
Research Leaders with World Expertise

Gemological & Appraisal Service

CGL-GRS Swiss Canadian Gemlab is a full service laboratory offering the Identification (natural, treated or synthetic), grading and appraising of diamonds and coloured stones.

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Education

Branko Deljanin frequently lectures and offers workshops on standard and advanced gemological topics world-wide at major gemological centres and gem shows.  

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Research

Research on rough and polished diamonds (coloured and colourless), as well as treatments and country of origin for coloured stones

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Research Leaders with World Expertise

Branko Deljanin

Branko Deljanin, B.Sc., GG, FGA, DGA, DUG
CGL-GRS Swiss Canadian Gemlab President & Head Gemologist

 

 

CGL-GRS Swiss Canadian Gemlab is one of Canada’s most technologically advanced gemological laboratories specializing in Identification, Grading and Certification of Diamonds.

Headed by renowned research gemologist Branko DeljaninCGL-GRS Swiss Canadian Gemlab’s aim is to set a new standard of excellence and accuracy in all diamond, gem, and jewellery reports.

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