Article Search Results

A face-up view of a cushion cut diamond with blue color.

Article

Gems & Gemology’s 7 Most Unusual Encounters from 2019

Stuart Overlin, Brooke Goedert and Kellie Giordano, December 13, 2019

Check out some of the most interesting and unusual diamonds and coloured stones submitted to GIA’s laboratories in 2019.

Preliminary Observations on Facet-Grade Ruby from Longido, Tanzania

Boodsakorn Kongsomart, Wim Vertriest, and Vararut Weeramonkhonlert, January 26, 2018

Microscopic observation and trace element analysis is performed on rubies from Longido.

Suggested Reading on Rubies and Their Inclusions

January 19, 2018

Suggested Reading on Rubies and Their Inclusions

Ruby and Sapphire from Muling, China

Yimiao Liu and Ren Lu, April 28, 2016

An emerging corundum deposit in north-eastern China is discussed.

Article

Pyrope Garnet and Montana Sapphires Highlight Winter 2015 G&G

Russell Shor, February 1, 2016

G&G Brief presents an overview of the content of the Winter 2015 issue of Gems & Gemology.

Rough rubies from Zahamena National Park in Madagascar.

Rubies from a New Deposit in Zahamena National Park, Madagascar

Vincent Pardieu, Supharart Sangsawong, and Stanislas Detroyat, February 1, 2016

A field expedition from GIA Bangkok explores a new ruby deposit and collects specimens for study.

Article

Spring 2015 G&G Examines Blue Spinel, Chinese Jewellery Design and the Latest in Synthetics

Russell Shor, June 12, 2015

G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.

Article

Mogok Expedition Series, Part 3: The Market and the Stones

Andrew Lucas and Vincent Pardieu, May 20, 2014

An inside look at Mogok's gem markets and cutting industry.

Article

Landmark Articles from
Gems & gemmology

GIA, April 14, 2014

For eight decades, Gems & Gemology, GIA’s peer-reviewed quarterly journal, has educated generations of readers and protected the gem-buying public. We share ten landmark articles that were particularly significant to gem and jewellery professionals.

Article

Mogok Series, Part 2: The Expedition, the Mines and the People

Andrew Lucas and Vincent Pardieu, April 11, 2014

An expedition to Mogok, Myanmar documenting the current state of their ruby mining, markets and cutting industries.

Article Search Results

Types

Content Type

Reviewed

Topics

Topics

Gemstones

Article Search Results

Types

Content Type

Reviewed

Topics

Topics

Gemstones

Find a Retailer

Visit the campus shop

Subscribe to Knowledge Rocks Emails

G&G Spring 2021 Edition