Justin K Prim

Justin K Prim is a lapidary artist, educator, and gemcutting history scholar known for his precision faceting and design-forward approach to gemstone cutting. Based in France, Justin brings a rare combination of deep historical knowledge and modern craftsmanship to his work—cutting each stone not just for brilliance, but with intention, story, and artistry in mind.A graduate of the Gemological Institute of America (GIA) and a seasoned instructor, Justin has taught gem cutting at internationally respected institutions and is passionate about preserving the legacy of lapidary arts. His work bridges cultures and centuries—drawing from ancient techniques, modern machinery, and a lifetime of studying the human relationship with gemstones.Whether he's researching historic gem cuts, collaborating with fine jewelers, or shaping a custom design on the wheel, Justin’s work reflects a reverence for the natural material and a devotion to the beauty that lies beneath the surface.