Research & News

Recent Articles
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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Sawing bangle blanks from jadeite slabs

Jadeite Manufacturing and Trading Hubs in Guangdong, China

Author: Tao Hsu and Andrew Lucas , Aug 14 Topics Jewelry

Join a GIA team on a visit to the bustling jadeite trading centers of Guangdong Province, China. You'll observe a market understood by few Westerners, as industry leaders explain the intricate details of a gemstone that's also an integral part of the culture.

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Unique by Design

Books: Unique by Design: Contemporary Jewelry in the Donna Schneier Collection

Author: Delphine Leblanc , Aug 14

Review of Suzanne Ramljak's Unique by Design: Contemporary Jewelry in the Donna Schneier Collection.

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Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth

Books: Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth

Author: Douglas Kennedy , Aug 5

Review of Ronald McIntosh and Warren Anderson's Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth.

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Identifying Lab-Grown Diamonds

Author: Dr. James E. Shigley , Aug 4

Dr. James E. Shigley describes the means of distinguishing colorless and colored synthetic gem-quality diamonds from natural diamonds.

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Tips From the Bench
Ergonomics for Bench Pin Modifications

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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