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Research Leaders with World Expertise

GEMOLOGICAL SERVICES.

Gemological & Appraisal Service

labroditeAt CGL-GRS Swiss Canadian Gemlab, a highly-qualified team addresses:

  • Identification and disclosure of treatments on coloured stones
  • Colour origin of coloured /colourless diamonds
  • Grading and evaluation of rough diamonds

 

At CGL-GRS Swiss Canadian Gemlab, after gemologists identify and grade the gem and record any sign of treatments the item will be evaluated, if requested by the client.

 

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Ethical appraisal services are offered to the trade and to consumers.

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