Since 1979, Presidium has stood at the forefront of creating quality and technologically advanced gemmological instruments, driven by a passion for innovation and progressiveness.
As the first company in the world to launch numerous gemmological instruments such as diamond and moissanite testers, colored gemstone testers and digital gemstone gauges for the diamond and gemstone industries, Presidium is a worldwide leader in the research, development and manufacturing of innovative and trusted gemological products. The brand is dedicated to research and development with all processes controlled in-house in our own facilities.
Presidium Instruments is represented in 45 countries with more than 120 resellers worldwide and our products are internationally available through our extensive global dealership network.
As it continues to lead the industry, Presidium strives to continuously pursue and deliver the hallmarks of the brand – quality, precision and reliability.