News & Articles

Recent Articles

Panyu: A Legendary Manufacturing Hub for the Global Gem and Jewelry Industry

Author: Tao Hsu and Andrew Lucas , Jul 2 Topics Jewelry, Manufacturing

The Panyu district is a leading gemstone cutting and jewelry manufacturing center for the global gem and jewelry industry. Situated near Hong Kong, it plays a key role in jewelry exports from mainland China and Hong Kong. Join GIA field gemologists on a visit to some of the companies and key locations in this gem and jewelry manufacturing powerhouse.

Read More
Synthetic Ruby Overgrowth on Natural Corundum

Analysis of Synthetic Ruby Overgrowth on Corundum

Author: Sudarat Saeseaw, Vincent Pardieu, Vararut Weeramonkhonlert, Supharat Sangsawong, and Jonathan Muyal , Jun 25 Topics Chemical Composition, Imitations, Simulants, Synthetics

Analysis of synthetic ruby overgrowth on corundum, using analysis of inclusions, UV-Vis-NIR and EDXRF spectroscopy, and LA-ICP-MS.

Read More
Aquamarine necklace

Exhibition Review: Maker & Muse, Women of the 20th Century Art Jewelry

Author: Heidi Harders , Jun 24 Topics Design

A review of the “Maker & Muse, Women of the 20th Century Art Jewelry” exhibition at Chicago’s Driehaus Museum.

Read More

Auctions Brighten Soft Year

Author: Russell Shor , Jun 22 Topics Jewelry, Pricing

The spring auction season ended on another strong note with sales – again − setting records.

Read More
Diopside Jewelry and Rough

The Great Potential of Diopside in the China Market

Author: Tao Hsu and Andrew Lucas , Jun 19 Topics Jewelry, Manufacturing

Chinese consumers are paying more and more attention to unique colored gemstone varieties. One of those that holds great potential is chrome diopside. This article follows the GIA on-location team to hear what local industry participants have to say about it.

Read More
Gem Mountain mining site

Update on Rock Creek Sapphire Deposit

Author: Warren Boyd and Keith Barron , Jun 17 Topics Geology, Mining, Treatment Process

An overview of recently expanded sapphire production at the Gem Mountain mine near Philipsburg, Montana.

Read More
View All Recent Articles

Tips From the Bench
How to Modify a Goldsmith Hammer

Compiled by GIA’s Jewelry Manufacturing Arts Instructors

Read More
The First Point of Reference for Gems and Jewelry

Located on GIA's Carlsbad campus, The Richard T. Liddicoat Gemological Library and Information Center is the largest, most complete library of its kind.

Learn More

You Might Also Like

Resources For Retailers
learn more
Shop the Campus Store
Learn More
Exhibit: Generations of Mastery
Learn More
G&G Spring 2015 Edition
Learn more