News & Articles

Spring 2022 G&G Available Now

Brooke Goedert, May 13, 2022

An overview of the Spring 2022 Gems & Gemology content.

The type IIb 15.10 ct De Beers Cullinan Blue diamond, graded by GIA.

The Type IIb De Beers Cullinan Blue Diamond

Paul Johnson, A’Dhi Lall, Madelyn Dragone, and Stephanie Persaud, May 3, 2022

Type IIb blue diamonds are extremely rare in nature.

Winter 2021 G&G Available Now

Brooke Goedert, January 28, 2022

An overview of the Winter 2021 Gems & Gemology content.

16.41 ct CVD laboratory-grown diamond achieves new record size.

New Record Size for CVD Laboratory-Grown Diamond

Wuyi Wang, Stephanie Persaud, and Elina Myagkaya, January 27, 2022

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.

Fall 2021 G&G Available Now

Brooke Goedert, November 30, 2021

An overview of the Fall 2021 Gems & Gemology content.

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

Nathan Renfro, November 24, 2021

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

Spring 2022 Issue

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News & Articles

Spring 2022 Issue

Winter 2021 Issue

Fall 2021 Issue

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