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Provides diamond grading services featuring grading of the diamond cut.
http://www.agslab.com/
PageRank: Not available
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Prospecting, lapidary, and backpacking gear and equipment.
http://www.desertoutfitters.com/
PageRank: Not available
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Determination of the authenticity and country of origin of a rubies and sapphires.
http://www.gemresearch.ch/
PageRank: Not available
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Offers mini and full diamond grading reports and appraisals for the trade.
http://www.globalgemlab.com/
PageRank: Not available
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National distributor of lapidary/jewelry equipment and supplies.
http://www.kingsleynorth.com
PageRank: Not available
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Technical advisers, appraisers, gemological training.
http://www.jewelryposting.net/
PageRank: Not available
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Offers gemstone analysis software, gemological education, and gemological laboratory services.
http://www.gemology.ru/
PageRank: Not available
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