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
Victoria Raynaud is French gemcutter and gemologist. She learned gemcutting through an apprenticeship in Geneva and worked as a professional lapidary for three years in Switzerland, specializing in the cutting of small, precision-cut stones for the Swiss watch industry. She has also worked as a sample fabrication specialist and analyst in both GIA and DANAT, inside departments focused on origin determination research.
She has attended gemology programs at both Gem-A in Canada and GIA in Bangkok. Victoria has taught gemcutting in Bahrain and Thailand and is able to teach in multiple languages and on multiple machines. She speaks French and English and has travelled on gemstone field expeditions to Australia, Thailand, Cambodia, Vietnam, Sri Lanka, and Myanmar.
To see Victoria’s work, check out her
Instagram profile: @victoriaraynaud