Synthetic sapphire production in Balerna

For over a century now, Balerna-based firm Frieden SA has provided a huge range of gemstone products for watchmaking and industry. Thanks to our passion, decades-long experience and combination of traditional techniques and modern tools, today we are an industry leader in Switzerland.

Frieden SA can produce stones and custom cuts of every type to meet the needs of any client. All our products offer outstanding characteristics, such as: hardness, resistance to wear and minute precision; resistance to heat, friction, corrosion and deformation; and high dielectric strength and non-magnetic properties.

Products that we can manufacture from rough sapphire and ruby include:

• Conical stones for carrying gas, liquid or air with openings as small as 0.0027 mm;
• Nozzles for ink-jet printing
• Nozzles for water-jet cutting
• Nozzles for medical and biomedical applications
• Insulators, cylinders and tubes
• Knife blades for various applications
• Lenses
• Sapphire valves with seats for ruby balls and sapphire pistons
• Windows of various shapes (round, square and rectangular)
• Wire guides for a range of applications
• Sapphire and ruby balls for optical-fibre valves, sections and connectors.

If you’d like to know more about how we produce synthetic sapphire for watchmaking and industry, come and see us: you’ll find a map showing how to find us under the 'Contact us' section of this website.