News & Articles

Nature’s Diamond Sculptures

G&G In a Flash: Nature’s Diamond Sculptures
 From G&G Fall 2025; article by Evan M. Smith
Phoebe Shang, March 4, 2026

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Gemstone Phenomena 300

G&G in a Flash: Guide to Phenomenal Gems
 From G&G Summer 2025; article by Shiyun Jin et al.
Phoebe Shang, March 4, 2026

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Gems & Gemology Winter 2025 In Brief

Winter 2025 G&G Available Now
Erica Zaidman, February 2, 2026

An overview of the Winter 2025 Gems & Gemology content.

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Three loose white freshwater pearls above three strands of freshwater and akoya cultured pearls of varying sizes

Freshwater Akoyas - A Trending Misnomer for Certain Freshwater Pearls
Phoebe Shang, January 26, 2026

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Gems & Gemology Fall 2025 In Brief

Fall 2025 G&G Available Now
GIA Staff, November 17, 2025

An overview of the Fall 2025 Gems & Gemology content.

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Figure 1. This 37.41 ct rough diamond has distinct pink and colorless zones. Photo by Tebogo Hambira.

Extraordinary Large Bicolor Natural Rough Diamond
Sally Eaton-Magaña, Kgotlaetsho Baatshwana, and Norma-Jean Osi, October 15, 2025

A 37.41 ct natural rough diamond with distinct pink and colorless zones is examined at GIA’s Botswana laboratory.

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Gems & Gemology

Winter 2025

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