Research & News

Recent Articles
Buyers on the show floor

An Inside Look at the 2014 Tucson Shows

Author: GIA Staff , Jul 18 Topics Gemology

Coverage of this year's Tucson gem and mineral shows, including colorful slideshows and insightful interviews with industry professionals.

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Examining rough ruby

Gemfields Inaugural Rough Ruby Auction in Singapore

Author: Andrew Lucas and Vincent Pardieu , Jul 17 Topics Trade

Join GIA on location at the inaugural Gemfields Mozambique ruby auction and go behind the scenes to get an insider’s look at the rough gemstone auction world.

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At the Spring Auctions:
A Spending Spree for the
Ultra-Wealthy

Author: Russell Shor , Jul 11

Russ Shor, GIA's senior industry analyst, shares a roundup of notable gem and jewelry sales from the first half of 2014.

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Natural diamond with CVD synthetic fIlm

Long-Term Durability of CVD Synthetic Film on Natural Diamond

Author: Sally Eaton-Magaña , Jul 8 Topics Synthetics

A natural diamond with a CVD synthetic film is examined at GIA's Carlsbad lab.

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Star Opal

Star Opal

Author: Wasura Soonthorntantikul , Jun 27 Topics Optical Effects

An opal featuring a rare six-rayed star is examined in GIA's Bangkok lab.

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In Praise of Hands - The Art of Fine Jewelry at Van Cleef & Arpels

Books: In Praise of Hands:
The Art of Fine Jewelry at Van Cleef & Arpels

Author: Delphine Leblanc , Jun 25

Review of Franco Cologni’s In Praise of Hands: The Art of Fine Jewelry at Van Cleef & Arpels

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Tips From the Bench
How to Make Spiral-Cut Rubber Molds

Compiled by GIA’s Jewelry Manufacturing Arts Instructors
 

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Library
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.

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