Research & News

Recent Articles
Natural Mixed Cape Diamond

Mixed-Type Cape Diamond

Author: Martha Altobelli and Paul Johnson , Sep 18

A natural cape diamond with unusual features is examined in the New York lab.

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Ruby & Sapphire: A Collector’s Guide

Books: Ruby & Sapphire:
A Collector’s Guide

Author: Edward W. Boehm , Sep 10

Review of Richard Hughes’s Ruby & Sapphire: A Collector’s Guide.

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Zhaoyi Jade House

Unveiling a Chinese Luxury Jadeite Brand: A Visit to Zhaoyi Cuiwu in Beijing

Author: Tao Hsu and Andrew Lucas , Sep 2

Enter the world of high-end jadeite and discover the connection between this stone and the Chinese culture while visiting the Zhaoyi retail salon in Beijing.

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The Art of Bulgari: La Dolce Vita and Beyond

Books: The Art of Bulgari:
La Dolce Vita and Beyond, 1950–1990

Author: Elyse Zorn Karlin , Aug 29

Review of Martin Chapman and Amanda Triossi’s The Art of Bulgari: La Dolce Vita and Beyond,

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Blue Sapphire

New Nigerian Source of Blue Sapphire

Author: GIA Laboratory Bangkok , Aug 22

A preliminary report on blue sapphires from a new deposit in Nigeria's Mambilla Plateau.

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Exhibit Review: Unique by Design at the Metropolitan Museum of Art

Author: Delphine Leblanc , Aug 15

An inside look at the Metropolitan Museum of Art’s Unique by Design exhibition.

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Tips From the Bench
How to Handle the Flexshaft and Handpiece

Compiled by GIA’s Jewelry Manufacturing Arts Instructors

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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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