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Ciemmeo srl.
Clemmeo is a mechanical company with twenty years of experience in the field of designing and building machinery for the goldsmith industry.
http://www.ciemmeo.com/
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European Gemological Laboratory
European Gemological Laboratory's is and international inderpendent leader in diamond grading and training for all diamond business solutions.
http://www.egl.co.za/
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Galvaogems
Created in 1994 by Mr. Davi GALVAO and subdivided in specific departments allowing versatility, flexibility and high quality standards.
http://www.galvaogems.com/
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Gem-A
Promoting education of gem materials, Membership, Laboratory services, and more.
http://www.gagtl.ac.uk/
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Oro Studio Italy Srl
Orostudio Italy was founded in 1988, thanks to the perspicacity of Lino Zorzi.
http://www.orostudio.com/
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The Gubelin Gem Lab
The Most Comprehensive Research Study of GE POL Diamonds.
http://www.gubelinlab.com/
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