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A total of 19 of the major gem identifying companies participate in this organization that was created to consider and solve various problems related to the identification and grading of gems. Its abbreviation is A.G.L. Some of its major activities include diamond grading inspections and adjustments, establishing rules for identification, researching methods of identification, and more.
ICA is an abbreviation for International Colored Gemstone Association. This organization was founded to promote the sale of colored gemstones and is comprised of individually licensed miners, polishers and wholesalers. Retailers and graders cannot become members of this organization.
Members of this organization include those involved with the manufacture, import and export and sale of jewelry. The organization strives for the sound development and future of the industry by promoting surveys and research concerning jewelry and international conferences and exchanges.
LMHC (Laboratory Manual Harmonisation Committee) is a global gem laboratory organization established to integrate gem identification terminology.
