
GIA 推出《玉石鉴定报告》
GIA美国宝石研究院的专业知识涵盖宝石学研究、鉴定所服务和教育, 现宣布推出提供更全面的宝石学信息的《GIA玉石鉴定报告》,采用简单易用的版面设计,增强行业专业人士和消费者的整体报告体验。

GIA 推出《玉石鉴定报告》
GIA美国宝石研究院的专业知识涵盖宝石学研究、鉴定所服务和教育, 现宣布推出提供更全面的宝石学信息的《GIA玉石鉴定报告》,采用简单易用的版面设计,增强行业专业人士和消费者的整体报告体验。

理事会成员约翰‧威利(John W. Valley)博士退任
加州卡尔斯巴德 ─ 2023年11月20日 ─ 由2014年起担任GIA理事会成员的约翰‧W‧威利(John W. Valley)博士,11月初在加州卡尔斯巴德举行的年度例会后正式退任。GIA理事会及领导高度表扬其在任内作出重大贡献,宣布以其名字命名一项GIA奖学金,以示敬意。


Anna Martin to Retire from GIA
Anna Martin, GIA’s senior vice president of Institute and industry relations, will retire from GIA on December 31, 2023, after a very successful nine years with the Institute, 14 years on the GIA Board of Governors and more than 40 years as one of the most well-known and respected leaders in the gem and jewelry industry.

GIA于加州卡尔斯巴德举行环球研究团队会议

Zigzag Fingerprint in Sri Lankan Sapphire
Fiber-optic illumination reveals rectilinear zigzag-patterned films with vibrant colors in a blue sapphire.
Etch Features Reveal the Morphology of Diamond
Trigons and tetragons observed in a chameleon diamond indicate both octahedral and cubic growth.
Fissure with Moiré Pattern in Spinel
A precipitation of an unidentified mineral creates a complex moiré pattern in a fissure of a purple spinel.
Translucent Ruby Filled with Zinc Glass
Solid Laboratory-Grown Single-Crystal Diamond Ring
The quality and size of this 4.04 ct CVD-grown diamond ring demonstrate the advancing technology in laboratory-grown diamonds.
Turquoise United Conference 2023
Chicago Responsible Jewelry Conference
A report on the seventh annual Chicago Responsible Jewelry Conference.
Blackish Green Omphacite Jade from Guatemala
A Guatemalan jade called yongchuliao has gained popularity among Chinese buyers.

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