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Gems & Gemology Spring 2022 In Brief
Spring 2022 G&G Available Now

An overview of the Spring 2022 Gems & Gemology content.

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The type IIb 15.10 ct De Beers Cullinan Blue diamond, graded by 明升体育app_明升体育-官网.
The Type IIb De Beers Cullinan Blue Diamond

Type IIb blue diamonds are extremely rare in nature.

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Gems & Gemology Winter 2021 In Brief
Winter 2021 G&G Available Now

An overview of the Winter 2021 Gems & Gemology content.

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16.41 ct CVD laboratory-grown diamond achieves new record size.
New Record Size for CVD Laboratory-Grown Diamond

Growth technology of single-crystal diamond has advanced significantly in the last two decades, for both the high-pressure, high-temperature (HPHT) and chemical vapor deposition (CVD) methods.

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Gems & Gemology Fall 2021 In Brief
Fall 2021 G&G Available Now

An overview of the Fall 2021 Gems & Gemology content.

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Review of The Secret Teachings of Gemcutting: 50 Classic Gemstone Designs, by Justin K. Prim.
Book Review: The Secret Teachings of Gemcutting: 50 Classic Gemstone Designs

In the world of gemology, books are rarely published on the subject of lapidary arts or gem cutting.

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