GIA Appoints Brandon H. Pace as General Counsel
GIA Appoints Brandon H. Pace as General Counsel
Brandon H. Pace, an attorney with over two decades of legal experience in the financial and technology sectors, has been appointed by GIA
Historical Reading List: Imperial Topaz from Minas Gerais, Brazil
GIA Creates High School Scholarship Program
历史文献清单: 历史上试图合成钻石的经验
Suspended Crystal in Red Spinel
A crystal inclusion in red spinel displays rainbow colors under fiber-optic lighting.
More on Virtu Gem’s Ethical Supply Chain Practices
An update on Virtu Gem’s mission to improve artisanal mining and gem trading practices in Kenya, Malawi, and Zambia.
A Remarkable 16.71 ct Transparent Orange-Yellow Sodalite
A rare and exceptional example of sodalite is studied in the Bangkok laboratory.
Hollandite in Amethyst
A spectacular display of hollandite crystals is captured within an amethyst cabochon.
Trapiche Garnet from Vietnam
A rare occurrence of 14 trapiche patterns is observed in a garnet sample from Vietnam.
Unusual Inclusions in Natural Emerald from Chivor
Tubular three-phase inclusions are observed in a Colombian emerald.
A Unique Omphacite Jade Pendant
A carved jade pendant displaying both dark green omphacite and paragenetic yellow vesuvianite is examined.
Two Foraminifera-Like Objects Found in a Natural Saltwater Pearl
Examination of a brown nacreous pearl reveals a pair of foraminifera-like spheres.
Cross in Natural Diamond
DiamondView imaging revels a cross-shaped fluorescence pattern in a natural diamond.
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