
Observations of Oval-, Pear-, and Marquise-Shaped Diamonds: Implications for Fancy Cut Grading
Presents findings from observations of oval-, pear-, and marquise-shaped diamonds, laying the groundwork for a fancy cut grading system.

Generative Artificial Intelligence as a Tool for Jewelry Design
Evaluates the use of generative AI programs in jewelry design and addresses the related ethical, legal, and regulatory challenges.

Amethyst from Newfoundland, Canada: Geology, Internal Features, and Fluid Inclusion Microthermometry
Characterizes gem-quality amethyst from the La Manche deposit in the Avalon Zone of Newfoundland, Canada.

Splendors from the Deep: Historic Treasures from a Spanish Shipwreck

Scenes from 90 Years of Gems & Gemology

Gems & Gemology at Ninety: A Look to the Future
The Extraordinary Backstory of Natural Diamonds: A Diamond Is (and Has Been) Forever

“Cotton Pearl” Imitations
An in-depth look at a new pearl simulant gaining popularity in the fashion jewelry market.

Two Imitation Melo Pearls
GIA’s Hong Kong and Bangkok laboratories report on imitation pearls with a striking resemblance to natural Melo pearls.
Fall 2024 G&G Publication Information
This document provides the publication information for Gems & Gemology

GIA Student Design Showcase

Brown Zoning in Diamond

Rainbow-Colored Partially Healed Fissure in Blue Sapphire

Written Characters in Black Opal


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