Webpull back the curtain, and peek into the world of a highly skilled craftsman as he creates tomorrow’s heirlooms. Derek katzenberg shares his experience in custom jewelry. For our series on innovators in jewelry design, this month we are focusing on multiple agta award winning artist, gem. Webfor derek katzenbach, a lapidary artist from maine, the inspiration to delve into working with stone came from being “starstruck” by gemstones while attending a show. Multiple agta award winning artist, gem cutter, metalsmith, and gemologist. Webfor derek katzenbach, a lapidary artist from maine, the inspiration to delve into working with stone came from being “starstruck” by gemstones while attending a. Prior to becoming a jewelry maker, he was a marine biology student. Webour promise i treat our customers with the honesty and respect they deserve. We want clients to feel the same pride when wearing the pieces from our store that i do in making.