Aktiv Guld offers certified GRS engraving and stone setting seminars in collaboration with GRS Tools. Two intensive five-day courses tailored to individual technical interests takes place at fully equipped GRS workbenches within a professional classroom environment. Held at Aktiv Guld in Vallensbæk near Copenhagen, the courses delivers hands-on instruction to enhance technical precision and practical skills.

Aktiv Guld offers certified GRS engraving and stone setting seminars, developed in close collaboration with GRS Tools. The program consists of two intensive five-day courses tailored to individual technical interests and combining essential foundations with advanced techniques. Training takes place at fully equipped GRS workbenches within a professional classroom environment. The courses, held at the Aktiv Guld facility in Vallensbæk, just a few kilometres outside of Copenhagen, provide focused, hands-on instruction designed to strengthen technical precision and practical competence at every stage of professional development.

Ben Bentvelzen is a stone setter, engraver, and instructor focused on precision craftsmanship. He studied jewellery making at De Vakschool and further refined his expertise in stone setting and hand engraving through advanced training with recognised international schools and masters. With over ten years of professional experience, Ben has worked worldwide as a jeweller, instructor, and demonstrator. Since 2019, he has been leading certified GRS seminars at Aktiv Guld, providing structured, hands-on training emphasising technical precision and practical mastery.