GIA推出中學生獎學金計劃

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GIA Creates High School Scholarship Program

GIA’s Spring scholarship application cycle is open March 1-31, 2024

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GIA Expands with State-of-the-Art Laboratory in Dubai

The global diamond industry now has a new, state-of-the-art option for meeting the need for trusted, efficient, and recognized science-based diamond grading services.

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以下是 GIA 翡翠鑑定報告優惠及收費詳情的繁體中文(香港)翻譯

GIA is offering exclusive promotional pricing for GIA Jade Report services from Feb. 12 to March 31, 2024.

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Promotional Pricing on GIA Jade Report

GIA is offering exclusive promotional pricing for GIA Jade Report services from Feb. 12 to March 31, 2024.

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GIA Helps Recover Diamonds in Colorado

GIA assisted in the recovery of two diamonds, each more than four carats, that were stolen with other pieces of jewelry from a home in Colorado in June 2023.

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Historical Reading List: Historical Attempts to Synthesize Diamond

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In Memoriam: Heitor Barbosa

The life of the discoverer of Paraíba tourmaline is remembered.

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Suspended Crystal in Red Spinel

A crystal inclusion in red spinel displays rainbow colors under fiber-optic lighting.

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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.

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A Remarkable 16.71 ct Transparent Orange-Yellow Sodalite

A rare and exceptional example of sodalite is studied in the Bangkok laboratory.

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Hollandite in Amethyst

A spectacular display of hollandite crystals is captured within an amethyst cabochon.

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Trapiche Garnet from Vietnam

A rare occurrence of 14 trapiche patterns is observed in a garnet sample from Vietnam.

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Unusual Inclusions in Natural Emerald from Chivor

Tubular three-phase inclusions are observed in a Colombian emerald.

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A Unique Omphacite Jade Pendant

A carved jade pendant displaying both dark green omphacite and paragenetic yellow vesuvianite is examined.

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Two Foraminifera-Like Objects Found in a Natural Saltwater Pearl

Examination of a brown nacreous pearl reveals a pair of foraminifera-like spheres.

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Cross in Natural Diamond

DiamondView imaging revels a cross-shaped fluorescence pattern in a natural diamond.

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Treated HPHT Laboratory-Grown Diamond with Dramatic Color Zoning

A Fancy Deep brownish orange treated HPHT-grown diamond exhibits multiple defect concentrations in various growth sectors.

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Distinctive Feather in Diamond

A feather observed in a natural diamond resembles a large reptile.

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Carbon Dioxide in a Brown Diamond

The Carlsbad lab examines a rare submission of a Fancy Dark brown diamond containing carbon dioxide.

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