News & Articles

G&G In a Flash: Nature’s Diamond Sculptures

G&G in a Flash: Guide to Phenomenal Gems

Winter 2025 G&G Available Now

Erica Zaidman, February 2, 2026

An overview of the Winter 2025 Gems & Gemology content.

Freshwater Akoyas - A Trending Misnomer for Certain Freshwater Pearls

Phoebe Shang, January 26, 2026

Fall 2025 G&G Available Now

GIA Staff, November 17, 2025

An overview of the Fall 2025 Gems & Gemology content.

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.

Winter 2025 Issue