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Thanks for visiting KGS DIAMOND You've unlocked our
Full range of diamond
solutions for the Stone Industry
Meet the people behind the products
Our flagship products
Discover our most-requested tools — trusted by professionals for speed, precision, and long-lasting performance.
KGS Hybrid® Diamond Flap Discs
The flap disc is excellent for calibrating and grinding. It is also suitable for making facets, grinding edges and surfaces. KGS Hybrid® Diamond Flap Discs can be used on granite, composite, concrete, ceramic and hard stone.
KGS Swiflex® Cobra Discs
Sawing and grinding in one step; the KGS Swiflex® Cobra is a galvanically bonded diamond saw, which besides sawing can also be used for grinding. The saw can be used on many materials, such as granite, terrazzo, composite, concrete, ceramic and marble.
KGS Swiflex® CX ECO Diamond Polishing Disc
Experience a smarter alternative to conventional sandpaper. KGS Swiflex CX ECO offers more cutting power, longer lifetime, and no risk of stone discoloration. Designed for both standard and high-speed angle grinders, it helps you work faster, more efficiently, and more cost-effectively.
New at Marmomac
KGS Speedline® Diamond Cylinder
Engineered for headstone and monument processing, these advanced grinding cylinders deliver unmatched accuracy and efficiency. With superior wear resistance, versatile application across CNC machines, and faster grinding speeds, they combine long lifetime with flawless reproduction of even the most complex designs.
KGS Flexis® EHD Discs
Get flawless results on quartz composites and natural stone with unmatched speed and control. From satin to high-gloss polished finishes, these versatile discs deliver a smooth, burn-free surface every time. Ideal for restoration work, they can even be used in hybrid mode with minimal water.
KGS Speedline® HEX 5-Step system
Polish faster with fewer steps. Our innovative 5-step resin-bonded diamond system delivers the same brilliant results as traditional methods in half the time. Perfect for marble, granite, quartz, quartzite, and sintered ceramics, it ensures a high-gloss finish without discoloration—preserving the stone’s natural beauty.
Meet our team
Abdullah Yassin
Middle East & Africa
Email: a.yassin@kgs.swiss
Phone :+971 565 021 216
Jan Duitman
NL & North Europe
Email: j.duitman@kgs.swiss
Phone :+31 525 68 55 00
Jefferson Kelner
France
Email: j.kelner@kgs.swiss
Phone :+33 6 38 58 00 84
Michelangelo Nardella
Germany
Email :m.nardella@kgs.swiss
Phone :+49 171 441 94 65
Olga Afonso
Portugal, Spain & Italy
Email :o.afonso@kgs.swiss
Phone :+351 961 309 960
Zoltan Onodi
East‑Europe
Email :z.onodi@kgs.swiss
Phone :+36 20 44 88 066
Shaping excellence in stone
At KGS Diamond, we proudly design and manufacture premium diamond tools that set the standard in the global stone industry. With Swiss precision and decades of expertise, we help professionals achieve faster, cleaner, and more reliable results – from quarry to final finish.
Our innovative abrasives and polishing solutions combine durability with efficiency, empowering stone fabricators, restorers, and artisans to unlock the full beauty of natural and engineered materials. Trusted worldwide, KGS Diamond is more than a tool provider – we are your partner in craftsmanship, innovation, and long-lasting performance.
KGS DIAMOND
Elburg,
The Netherlands
T +31 525 683 300
salesnl@kgs.swiss