PRESIDIUM Instruments Pte Ltd, incorporated in 1979,, is a worldwide leader in the development and manufacturing of innovative precision jewelry tools; namely, gemmological instruments that test and measure diamonds and gems, for the diamond and gemstones industries.

PRESIDIUM products are used in gemological institutes, laboratories, jewelry manufacturers, diamond appraisal businesses and retail jewelers globally. PRESIDIUM remains dedicated to serving the needs of the jewelry industry, with innovative products, quality engineering, on-time delivery and customer service beyond par.

All Presidium products are RoHS compliant under the RoHS regulation (Directive 2002/95/EC) and are 4R compliant (Recover, Recycle, Reuse, Reduce) with The WEEE regulation (Directive 2002/96/EC). As the leading brand in the jewelry industry, Presidium's products are distributed by 130 authorized resellers in 40 countries worldwide, across North and South America, Asia, Europe, and Australia.