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A pile of near-colorless HPHT synthetic melee

Article

Diamond Market Forecast: Declining Credit, Soft Prices and Lab-Grown Diamonds

Russell Shor, February 18, 2019

Despite the generally strong year for jewellery retail, the diamond industry continues to face problems with credit, patchy demand and soft prices.

Shoppers walk in a mall past a Chow Tai Fook jewelry store.

Article

Season’s Sales: US Up 4% to 5%, But China Continues to Lag

Russell Shor, January 21, 2019

The US holiday season saw strong sales, but China continues to struggle. Plus: diamond market report and lab-grown diamond sales.

A miner in northern Tanzania examines rhodolite.

Gemstone Guidebook Project

Jennifer-Lynn Archuleta, August 9, 2018

A project coordinated by GIA and the NGO Pact provides a valuable educational tool to women miners in Tanzania.

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.

Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Governador Valadares District

Keith Proctor, June 1, 1985

A further article exploring tourmaline mines in another part of Minas Gerais.

Sri Lanka: The Gem Island

Peter C. Zwaan, June 1, 1982

An overview of the many types of gem-quality material, and its inclusions, currently found in Sri Lanka.

Article

An Overview of the 2014 GIA Brazil Expedition

Duncan Pay, Andy Lucas, Pedro Padua and Shane Mcclure

Join GIA’s field gemmologists as they venture into some of Brazil’s most important and productive emerald and tourmaline mines.

Abstracts; Summer 1991

Dona M. Dirlam

From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.

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