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1. American Gem
Provides diamond grading services featuring grading of the diamond cut.
http://www.agslab.com/ |
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2. Asian Institute of Gemological Sciences
The AIGS Gemstone Identification, Grading and Research Laboratory was the first professional gemological laboratory to be established in Asia in 1978.
http://www.aigsthailand.com |
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4. Daniel Lopacki Co.
Lapidary tools including saw blades, carving burrs, diamond powders, flat laps, and more.
http://www.lopacki.com/ |
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5. Desert Outfitters, Inc.
Prospecting, lapidary, and backpacking gear and equipment.
http://www.desertoutfitters.com/ |
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6. European Gemological
Provides diamond, colored stone and pearls certification, analysis and consultations.
http://www.eglusa.com/ |
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7. GemLab
Specializes in origin of color determination for fancy colored diamonds using Raman spectrometer.
http://www.gemlab.net/ |
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8. GemResearch
Determination of the authenticity and country of origin of a rubies and sapphires.
http://www.gemresearch.ch/ |
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9. Global Gemological
Offers mini and full diamond grading reports and appraisals for the trade.
http://www.globalgemlab.com/ |
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10. Kingsley North, Inc.
National distributor of lapidary/jewelry equipment and supplies.
http://www.kingsleynorth.com |
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11. Realgems Gemological
Technical advisers, appraisers, gemological training.
http://www.realg.com.br/ |
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12. Russian Gemological
Offers gemstone analysis software, gemological education, and gemological laboratory services.
http://www.gemology.ru/ |
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