Headquartered in Singapore, Presidium Instruments Pte Ltd, is a worldwide leader in the development and manufacturing of innovative gemological instruments for the diamond and gemstone industries. Presidium’s range of products include diamond and moissanite identification instruments, colored gemstone instruments, gemstone measurement gauges, jewelry surface/ring engravers and portable carat scales. 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. These products have become essential for industry professionals and hobbyist alike and are used in gemological institutes, laboratories, jewelry manufacturing, diamond appraisal businesses, and retail jewelers. Presidium products are distributed by over 125 authorized resellers in over 49 countries worldwide - these span North and South America, Asia, Europe, The Middle East, and Oceania. A socially responsible corporate citizen, all Presidium products are RoHS compliance under The RoHS regulation (Directive 2002/95/EC) and are 4R compliance (Recover, Recycle, Reuse, Reduce) with The WEEE regulation (Directive 2002/96/EC). Specialties Precision tool design, Precision tool manufacturing, Diamond & Moissanite Testers, Colored Gemstone Testers, Gemstone Traditional, Electronic & Computer Gauges, Jewelry Engraving Machine, Carat Scales