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GIA權威評級, 為摯愛守護一生
CARLSBAD, Calif. – Dec. 2, 2021 – The joy diamonds bring to people’s lives and the confidence inspired by a diamond grading report from the experts at GIA are at the center of GIA’s first new global consumer marketing campaign in more than a decade.

Charles “Chuck” Fryer(チャールズ「チャック」フライヤー) (1928年-2003年)
World-renowned gem identification expert who guided GIA's lab services to the forefront of gemological research.
蛍光性観察を使用したHPHT処理ダイヤモンドの分析
Evaluates a potential method of visually identifying HPHT-treated diamonds using microscopy to observe intense fluorescence at the facet edges and junctions.
Alice Keller
30年以上にわたりAlice Kellerは影響力のある編集者かつイノベーターとして毎号のGems & Gemology(宝石と宝石学)で科学の美しさを紹介しています。

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