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美国宝石协会

American Gem Society (美国宝石协会)成立于1934年，将钻石的4C中最重要的车工（Cut）公式化，美国宝石学学会通过严格的分级标准和提供详细信息来领导着行业。A.G.S.

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美国宝石学会

... American Gem Society 美国宝石学会 American Geographical Society 美国地理学会 American Geriatrics Society 美国老年病学会 ...

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abstract: The American Gem Society (AGS) is a trade association of retail jewelers, independent appraisers, suppliers, and selective industry members, which was founded in 1934 by Robert M. Shipley, who also founded the Gemological Institute of America (GIA).

以上来源于: WordNet

Next he engaged a laboratory at the American Gem Society to certify his diamonds.

FORBES: Stones on fire
He has received numerous jewelry industry awards, including the American Gem Society Lifetime Achievement Award in 2010 and is the former chairman of Jewelers of America.

FORBES: Zale Corp. Appoints Former Competitor Terry Burman As Chairman

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