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Press Release

GIA Offers $2 Million in Scholarships for 2019

CARLSBAD, Calif. – Aug. 6, 2018 – GIA has $2 million in scholarships available for established and aspiring gem and jewelry professionals.

Article

Shenzhen: The Frontier of China’s Gem and Jewelry Industry

Tao Hsu, and Andrew Lucas, January 25, 2016

All jewelry professionals are familiar with the city of Shenzhen, a global jewelry manufacturing center and a leader of China’s fast-growing gem and jewelry industry. Join the GIA team as we tour the city and discover more about its leading jewelry brands.

Various mineral inclusions in beryl samples

Color Characteristics of Blue to Yellow Beryl from Multiple Origins

Yang Hu and Ren Lu, July 22, 2020

Discusses the features of alkali elements and their influence on the color of blue to yellow beryl.

Image of smartphone camera taking a photo of a gold brooch with gems

Article

How to Photograph Gems & Jewelry

Robert Weldon and Denise Conrad, September 30, 2015

Learn tips and tricks for taking great photos of gems and jewelry, even from your mobile device’s high-resolution camera.

Jewelry Television in Tucson

Tao Hsu and Andrew Lucas, April 28, 2016

A look at JTV’s history, current activities, and impact on the industry.

Tucson 2016

Tao Hsu and Andrew Lucas, April 28, 2016

An overview of the 2016 gem shows.

Namak Mandi: A Pioneering Gemstone Market in Pakistan

Habib Ur Rehman, Bilal, Syed Owais, Obaid Ur Rahman, and Andy H. Shen, September 3, 2021

Documents Namak Mandi’s transformation from a salt market to one of Pakistan’s primary gem trading centers, with a look at the commercial activities taking place today.

Figure 1. These aquamarine (left) and heliodor (right) crystals reported to be from China, measuring approximately 2 cm long and 0.4 cm wide, display distinctive etch pits. Photo by Adriana Robinson. Gift of Zeng Jiliang, GIA Museum nos. 20633 (left) and 20630 (right).

Heliodor and Aquamarine with Surface Etching

Rhiana Elizabeth Henry and Adriana Robinson, August 2, 2024

Hexagonal etch features are observed on the prismatic faces of heliodor and aquamarine crystals.

Figure 1. A 13.37 ct grayish blue aquamarine displaying asterism. Photo by Towfiq Ahmed.

Star Aquamarine

Jessa Rizzo, August 4, 2023

A look at a very rare instance of a six-rayed star in aquamarine.

Figure 1. Measuring 26.36 mm in length and weighing 56.00 ct, this Pakistani aquamarine crystal is host to an eye-visible 7.20 mm mineral inclusion cluster. Photo by Annie Haynes.

Quarterly Crystal: Columbite(?) in Beryl

John I. Koivula and Nathan Renfro, May 23, 2023

Examination of a gem-quality aquamarine crystal reveals an inclusion cluster presumed to be columbite.

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