Article
Emerald Sources of Brazil
Video compilation explores Brazil’s most important emerald deposits, as well as the country’s mining practices and laws.
Read MoreThis article explains how to repair a fine chain with a soldering technique.
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Article
In February 2014, GIA field gemologist Andy Lucas and video producer Pedro Padua traveled to Sri Lanka for two weeks with an ambitious goal: to document the country’s entire gem and jewelry industry, from mud-drenched mines to glittering retail stores.
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Article
GIA joins a small team of miners as they search for sapphire and other gems in Pailin Province in Western Cambodia.
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Article
After documenting tourmaline production at the famous Cruzeiro mine in Brazil, GIA takes you to China, where you can witness the cutting of these stones for entry into the hottest tourmaline market in the world.
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Article
This article examines the mysteries of rough emerald cutting through a spectacular pair of cat's-eye emeralds from Colombia.
Read MoreThis article explains how to modify a tool to bezel-set round faceted stones
Read MoreThis article explains how to use a split mandrel to finish round bezels.
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Article
GIA field gemologists are a different breed. When Andy Lucas, GIA manager of Field Gemology in Carlsbad, decided to take some vacation time, he didn’t make for the usual destinations. No beaches, ski resorts, or cosmopolitan cities. Lucas instead headed off to Afghanistan, lured by deposits of fine emeralds.
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Article
A GIA team travels the world to discover and document what happens as colored gems travel from mine to market.
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