About us
At GM Cut Studio, we specialize in teaching the timeless craft of gem cutting to students from around the world. Located in the heart of Bangkok’s gem district, our school offers both a comprehensive 12-day course and a 1-day class — perfect for travelers or beginners who want to experience gem cutting for the first time.
Our hands-on courses cover multiple styles, including Thai traditional, Jambpeg, Precision, and Handpiece techniques. Each session is guided by an experienced instructor who has worked with leading gemological institutions and brings a deep understanding of both technique and artistry.
Whether you’re looking to build a career, start a new hobby, or simply try something unforgettable while visiting Bangkok, GM Cut Studio is the place to begin your journey.
Taught in English. No experience needed. All materials provided.
Discover the brilliance within every stone.
Machines & Techniques We Teach
At GM Cut Studio, we teach you how to use real gem cutting machines and techniques used by professionals in the industry. You’ll get hands-on experience with both precision systems and traditional tools — just like those used in gem factories across Asia.
Cabochon Machine
Used for cutting and polishing smooth, domed stones without facets.
Perfect for: Opals, star stones, turquoise, or any stone where color and shape matter more than sparkle.
Jambpeg
An ancient faceting method using a horizontal lap and a wooden stick (dop).
Perfect for: Learning gem cutting history, developing manual skill, and understanding angle control by eye.
Handpiece Faceting Machine (with Index Gear)
A machine using a handpiece connected to an index gear.
Perfect for: Controlled manual cutting with faster adjustments and a more natural feel than mast machines.
Precision Faceting Machine (Facetron)
A modern mast machine with digital angle and height control.
Perfect for: High-precision cutting, ideal symmetry, and repeatability.
Freehand Cutting Style
This is the traditional Thai cutting method, used widely in real gem factories. The stone is held and rotated by hand, with no angle dial or index gear — relying solely on the cutter’s eyes, hands, and experience.
Perfect for: Fast production, adapting to inclusions, and maximizing yield from rough stones.
Inside Our Studio
Our studio is designed to provide a focused, hands-on learning experience in a clean, professional, and inspiring environment. Whether you’re practicing precision cuts or exploring freehand techniques, you’ll be surrounded by the tools, machines, and atmosphere used in the real gem industry.
Dynamic Design Showcase
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Collaborative Project Hub
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Why Choose Us
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Testimonials
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Jane Doe
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John Denver
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Michelle Smith
What are you waiting for?
Ready to take the next step? Let’s bring your vision to life! Explore our services and get in touch today for a consultation. Together, we’ll make it happen.
Our team
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Gilbert Fletche
Financial Strategist
Olivia Rodriguez
Financial Analyst
Johnny Rodriguez
Financial Analyst
Our work in numbers
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employees
230
happy clients
+3M
years of experience
+25
offices worldwide
179
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