Included in this Category are lists of facilities with direct contact information. Please contact GemologyOnline Administration for additions or corrections.
AGL is an independent, cutting edge lab providing identification reports, detailed enhancement reports, country-of-origin or provenance reports, as well as complete colored stone analysis documents tailored to gems of unique importance.
CIBJO, The World Jewellery Confederation, represents the interests of all individuals, organisations and companies earning their livelihoods from jewellery, gemstones and precious metals, covering the entire industry from mine to marketplace in the various production, manufacturing, trading and retail centres.
GWLAB™ is an independent gemological chain of laboratories, founded by Gemewizard® - a pioneer in the development of software solutions for colored stones, fancy colored diamonds and jewelry industries, enabling the analysis, description and communication of color in gems.
Stone Group Laboratories, LLC, provides non-destructive, advanced gemological testing services to the trade and offers global consulting services as well as custom research projects regarding colored gemstones.
The World Gem Foundation is a non-profit international organization that is dedicated to the preservation, promotion and study of gemmology through their comprehensive range of theoretical and practical gemmological courses and programs.
Have a gem you need help identifying? Post it here, provided you can give us more information than just a picture: RI, SG, Optic Character, Pleochroism, etc.
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