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**For desktop view
Presidium Diamond Verification Instrument®
Diamond & Moissanite Testers
Colored Gemstone Testers
**For tablet and mobile view
As the first company in the world to launch numerous gemological instruments, Presidium is committed to research and developing innovative instruments for the benefit of the industry.
Presidium Instruments Pte Ltd, incorporated in 1979, is the world’s leading manufacturer of gemological instruments that test and measure diamonds and gems, for the diamond and gemstones industries.
Catering specially to the jewelry industry, products include:
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