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Accompany GIA field gemologists on a true gemstone mining adventure in the mountains of Pakistan, where beautiful gems are mined and cut. Travel with us on the old Silk Road used by Marco Polo, where the Himalaya, Karakoram, and Hindu Kush mountain ranges collide.
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Proposes a model for trapiche emerald formation based on petrographic, spectroscopic, and chemical examination.
Read MoreCARLSBAD, Calif. – June 24, 2019 – GIA presents a unique seminar that teaches the assessment of jewelry design and engineering to identify manufacturing methods, workmanship and risk of failure.
Read MoreCARLSBAD, Calif. – June 10, 2019 – Glenn Nord, member of the GIA Board of Governors and past president of the Institute, passed away early on Sunday, June 9.
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Since the 1970s, Brazil has been a consistent source of emerald.
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Emerald from the Belmont and Montebello mines of Minas Gerais, Brazil seen at the GJX show in Tucson.
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A report on a new Ethiopian source of high-quality emerald.
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Article
A large scale gemstone mining company seeks to change the way the world acquires and sells fine gemstones.
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Article
Graduate’s fascination with gems began in GIA’s warehouse and put him on a fast track to becoming an expert on Colombian emeralds.
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Explore GIA’s collection of free, rare digital books and manuscripts that document the history of gems and jewelry.
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