September 28-29—LUBBOCK, TEXAS: Show and sale; Lubbock Gem and Mineral Society; Lubbock Memorial Civic Center
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Security Alerts
TUCSON GEM SHOW 2022 SPECIAL SECTION
Gemology Schools, Labs, Research & Appraisal Facilities
Contact Information for Gemology Schools, Labs, Research & Appraisal Facilities
AGL: American Gemological Laboratories
AIGS (Asian Institute of Gemological Sciences)
CIBJO (Confédération International pour la Bijouterie, Joaillerie)
Gem-A (The Gemmological Association of Great Britain)
GIA (Gemological Institute of America)
GGTL Laboratories
GIA Current Research
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SGL: Stone Group Labs
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Collecting Gem & Jewelry Books
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