Justin K Prim
Justin K Prim is an American lapidary and gemologist living and working in Bangkok, Thailand. He has studied gem cutting traditions all over the world as well as attending gemology programs at GIA and AIGS. He is currently working on a book about the worldwide history of gemstone faceting. He works as a Faceting Instructor for the Institute of Gem Trading as well as writing articles, producing videos, and giving talks about gem cutting history.
Articles by Justin K Prim
A Comprehensive Study of Gem Faceting Classes Around the World
Compare the prices and philosophies of gem faceting classes from around the world. Learn if there’s a local club or...
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Bangkok: City of Gemology Schools
Bangkok is the center of the colored gem trade. Compare the top four Bangkok gemology schools and see why this...
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The Path to Success in the Gem Trade
Finding your path to success in the gem trade takes introspection, education, and exploration. Learn about your options for entering...
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How to Choose the *BEST* Faceting Machine for Your Needs
What’s the best faceting machine for you? We’ll review models from all over the world in terms of cost and...
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Lapidary Technology Through the Ages: Laps and Polish
Early lapidary technology doesn’t differ from our modern tools as much as you might think. Learn more about the history...
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