Justin K Prim

Justin K Prim is an American gemcutter and author. He has been cutting gemstones since 2013 and has trained under professional cutters in the United States, Thailand, Sri Lanka, the UK, and Switzerland. To support his work as a gemcutter, he has attended gemology programs at GIA and AIGS. He has travelled around the world to various gem producing regions to learn about rough and has visited mines in Thailand, Cambodia, Sri Lanka, Europe, and the Americas.

Justin previously taught faceting at the Institute of Gem Trading in Bangkok as well as teaching gemology courses at AIGS, Bangkok. He recently released his first book, The Secret Teachings of Gemcutting, which collects the world's classic faceting wisdom and patterns and presents them in an easy to cut format. Aside from teaching and writing, Justin also gives talks round the world about faceting history.

To see Justin’s work, check out his Instagram profile: @justinkprim