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The view of Hogback Road, heading toward the Dust Devil Mine, illustrates the vast beauty of the landscape. - Duncan Pay

Article

A Sunstone Odyssey, Part 2: The Dust Devil

Duncan Pay, Robert Weldon and Kevin Schumacher, October 20, 2013

The "Sunstone Odyssey" series continues with a visit to the Dust Devil mine, a source of rough for many award-winning faceted gems and carvings.

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

Sri Lanka: From Mine to Market, Part 2

Andrew Lucas, Armil Sammoon, A. P. Jayarajah, Tao Hsu, Pedro Padua, September 30, 2014

Join GIA field gemmologists and witness firsthand the entire value chain of the Sri Lankan coloured gemstone and jewellery industry, from digging for sapphire in the mud to the glamour of finished jewellery on a fashion model.

Article

CVD-Grown Synthetic Diamonds, Part 2: Properties

Robert Linares, Integrated Diamond Technologies, LLC, June 19, 2013

This article provides a brief overview of the properties of CVD-grown synthetic diamonds.

Bench Tip 20: Make a Plan to Improve Productivity at Your Workbench

Article

Bench Tip 2: Make a Plan to Improve Productivity at Your Workbench

GIA's Jewellery Manufacturing Arts instructors

This article explains how to make a plan to improve productivity at your workbench.

Article

Sapphire Series Part 2: The Next Generation of Sapphire Crystal Growth Techniques

Jennifer Stone-Sundberg, August 6, 2013

The second in the series, "Sapphire: A Crystal With Many Facets," this article looks at several advanced growth techniques.

An Update on Color in Gems. Part 2: Colours Involving Multiple Atoms and Colour Centres

Emmanuel Fritsch and George R. Rossman, March 1, 1988

This is the second part in a three-part series on the origin of colour in gem materials.

Pezzottaite from Ambatovita, Madagascar: A New Gem Mineral

Brendan M. Laurs, William B. (Skip) Simmons, December 1, 2003

Pezzottaite, ideally Cs(Be₂Li)Al₂Si₆O₁₈, is a new gem mineral that is the Cs,Li–rich member of the beryl group.

The GIA Museum’s “Dreams of Diamonds” exhibit featured more than 4,000 carats of diamonds, and marked the U.S. debut of Alastair Laidlaw and Christine Marsden’s like-named book – a 160-page, 33-lb. tome. Photo by Kevin Schumacher/GIA

Article

‘Dreams of Diamonds’ Book and Exhibition Celebrate Spectacular Gems

Jaime Kautsky, March 4, 2016

Explore the wondrous world of diamonds in this large book (2 stone 5 lbs and three feet wide when open) and gallery from a past exhibition – that reveals their detail and beauty.

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