[INTRODUCING]
TRAINING CENTER
[INTRODUCING]
TRAINING CENTER
Locations
Lisbon, Portugal
Emporia KS, USA
Emporia KS, USA
Contacts
+351 915 817 408
[ABOUT SCHOOL]
Learn,
Create, Improve!
The GRS Training Center is a globally recognized institution, dedicated to advancing the skills of jewelers, engravers, and stone setters. As the official training hub for GRS Tools, it offers a range of courses designed for both beginners and seasoned professionals. In November 2025, the GRS Training Center proudly opened its first European facility in Lisbon, Portugal — expanding its mission to inspire and educate the next generation of artisans across Europe.
Comprehensive Training Programs
Whether you’re a beginner or a seasoned professional, GRS offers tailored courses to elevate your skills.
Industry-Leading Instructors
Learn from renowned worldwide artisans in a high-tech, small-group learning environment.
The European GRS Training Center is led by certified instructors Ben Bentvelzen and Jonas Fitz — experienced professionals with decades of international expertise in jewelry making, stone setting, engraving, and technical education.
World-Class Facilities
Spacious classrooms, state-of-the-art tools, and an inspiring atmosphere designed for focused learning and skill development.
Programs at THE GRS Training Center IN U.S.
• 5-Day Intensive Courses – Hands-on training in hand engraving, jewelry techniques, and stone setting.
• Focus Program (9 Weeks) – A career-starting course in Hand Engraving or Stone Setting for entry-level students.
• Grand Masters Program (2 Weeks) – Advanced training led by world-class artisans.
• Focus Program (9 Weeks) – A career-starting course in Hand Engraving or Stone Setting for entry-level students.
• Grand Masters Program (2 Weeks) – Advanced training led by world-class artisans.
Programs at THE GRS Training Center - EU
• 5-Day Basic Pavé Course
— an intensive introduction to pavé setting techniques for professionals.
• From Zero to Professional Stone Setting (1 month /160 hours) — a comprehensive program for beginners to master core stone setting skills.
• From Zero to Advanced Stone Setting (2 months / 320 hours) — an extended course building from fundamentals to advanced techniques in stone setting.
— an intensive introduction to pavé setting techniques for professionals.
• From Zero to Professional Stone Setting (1 month /160 hours) — a comprehensive program for beginners to master core stone setting skills.
• From Zero to Advanced Stone Setting (2 months / 320 hours) — an extended course building from fundamentals to advanced techniques in stone setting.
[Meet the Demonstrator]
GRS Certified Instructor
BEN BENTVELZEN
At JEWELLUTION 2025, the GRS Training Center is proudly represented by Ben Bentvelzen, a skilled engraver, stone setter, and instructor with a passion for precision craftsmanship.
Ben discovered his love for fine craftsmanship early on, leading him to study jewelry making at De Vakschool. After he advanced his skills in stone setting at the New Approach School for Jewelers and the Alexandre School, while mastering hand engraving under Sam Alfano and Martin Strolz.
With over a decade of experience, Ben has worked as a jeweler, instructor, and demonstrator at major trade shows worldwide. Since 2023, he has been a Training & Product Specialist at Glendo LLC, contributing to GRS Tools development and training programs.
[Meet the Demonstrator]
GRS Certified Instructor
BEN BENTVELZEN
At JEWELLUTION 2025, the GRS Training Center is proudly represented by Ben Bentvelzen, a skilled engraver, stone setter, and instructor with a passion for precision craftsmanship.
Ben discovered his love for fine craftsmanship early on, leading him to study jewelry making at De Vakschool. After he advanced his skills in stone setting at the New Approach School for Jewelers and the Alexandre School, while mastering hand engraving under Sam Alfano and Martin Strolz.
With over a decade of experience, Ben has worked as a jeweler, instructor, and demonstrator at major trade shows worldwide. Since 2023, he has been a Training & Product Specialist at Glendo LLC, contributing to GRS Tools development and training programs.
GALLERY OF ARTWORK
by Ben Bentvelzen
Elevate your
craftsmanship with
the GRS Training Center
[ONLINE WORKSHOP]
Honeycomb Pattern
Engraving & Stone Setting
Master the intricate technique with expert guidance
from Ben Bentvelzen!
from Ben Bentvelzen!
In this session, you will be guided step by step through crafting the honeycomb pattern and witness how precision engraving and stone setting blend seamlessly. Once mastered, this versatile design can be applied to jewellery pieces, unlocking endless creative possibilities.
[CONTACT GRS TRAINING CENTER]
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JEWELLUTION