News & Articles

Recent Articles
 Spring 2017 Gems & Gemology

Spring 2017 G&G: Brazil’s Diamond Production, Cuprian Liddicoatite, Silicon in Corundum, and Tucson Coverage

Jennifer-Lynn Archuleta, May 8, 2017

A summary of the Spring 2017 issue of Gems & Gemology.

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Designer’s Award-Winning Jewelry Helps Reclaim Family History

Jaime Kautsky, May 8, 2017 Topics: Design, Education, Jewelry

A GIA JDT graduate and the grand prize winner of the Revere Academy’s 2016 Tahitian Pearl Jewelry Design Contest reclaims her family’s jewelry heritage.

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Hands hold a split open shell that shows the natural pearl.

Get Started on 2017 Continuing Education Recognition Program

Amanda J. Luke, May 8, 2017 Topics: Assembled Stone

This media-rich, interactive program makes it possible for GIA graduates to stay up to date with the latest gem and jewelry news and information.

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CVD overgrowth on natural diamond
Synthetics

A Synthetic Diamond Overgrowth on a Natural Diamond

Author: Kyaw Soe Moe, Paul Johnson, Ulrika D’Haenens-Johansson, and Wuyi Wang , May 1 Topics Chemical Composition, Identification, Recent Findings, Synthesis Process

Analysis of a diamond graded Fancy blue revealed a CVD synthetic overgrowth on natural diamond.

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Four Pinctada maculata bead-cultured blister pearls

Pinctada maculata (Pipi) Bead-Cultured Blister Pearls Attached to Their Shells

Promlikit Kessrapong, Kwanreun Lawanwong, and Nicholas Sturman, April 25, 2017 Topics: Ongoing Research

A study on four Pinctada maculata cultured blister pearls originating from Penrhyn Island.

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Rough and cut sapphires

A Study of Sapphire from Chanthaburi, Thailand and its Gemological Characteristics

Sudarat Saeseaw, Supharart Sangsawong, Wim Vertriest, Ungkhana Atikarnsakul, Victoria Liliane Raynaud-Flattot, Charuwan Khowpong, and Vararut Weeramonkhonlert, April 19, 2017 Topics: Ongoing Research

A report from the GIA Laboratory in Bangkok presents their findings on 59 blue sapphire samples obtained from a miner in the Khao Ploy Waen area, Chanthaburi.

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Tips From the Bench
How to Modify a Goldsmith Hammer

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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Gems & Gemology
G&G Spring 2017 Edition
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