Presidium - Purchase with confidence and Worldwide Delivery. Thousands of happy customers, hard to find watch parts, tools and watches.
Information About the Company:
Presidium is a brand known for its advanced gem testing and measurement instruments used in the jewelry and gemstone industry. The company specializes in producing high-quality, precise, and reliable devices for gemstone identification, grading, and authentication.
1. **Diamond and Gemstone Testers**: Presidium is renowned for its diamond testers and gemstone testers. These devices use advanced technology, such as thermal conductivity and refractive index measurements, to distinguish between diamonds and various types of gemstones.
2. **Electronic Scales**: Presidium offers electronic scales with high accuracy and precision, which are essential for weighing gemstones and precious metals in jewelry manufacturing and appraisal.
3. **Diamond and Moissanite Testers**: The brand provides specific testers to differentiate between diamonds and moissanite, a diamond simulant, ensuring accurate identification.
4. **Colored Gemstone Testers**: Presidium offers testers specifically designed for colored gemstones, helping to identify and separate various gemstone types based on their unique properties.
5. **Ultrasonic Cleaners**: Presidium's ultrasonic cleaners are designed to clean and remove dirt and debris from jewelry and gemstones safely and efficiently.
6. **Calibrated Gemstone Masters**: The brand also produces calibrated gemstone masters, which are reference stones used for comparison and calibration in gemological measurements.
Presidium's gem testing instruments are trusted by professionals in the jewelry industry, including gemologists, jewelers, appraisers, and gemstone traders, for their accuracy and reliability. The brand's dedication to producing high-quality instruments has earned it a respected position in the gemological community, and its products play a crucial role in ensuring the authenticity and quality of gemstones and jewelry.
Presidium Instruments: Innovating Gemological Testing Since 1979
Company Overview
Established in 1979 and headquartered in Singapore, Presidium Instruments Pte Ltd is a leading manufacturer of gemological instruments. The company specializes in designing and producing tools for the diamond and gemstone industries, including testers for diamonds and moissanites, colored gemstone instruments, gemstone measurement gauges, jewelry engravers, and portable carat scales. Presidium's products are utilized by gemological institutes, laboratories, jewelry manufacturers, appraisers, and retailers worldwide.
Product Range
Presidium offers a diverse array of instruments tailored to the needs of gemologists and jewelers:
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Diamond and Moissanite Testers: Devices designed to differentiate between diamonds, moissanites, and other simulants.
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Colored Gemstone Testers: Instruments that assist in identifying various colored gemstones based on their thermal conductivity.
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Gemstone Measurement Gauges: Tools for precise measurement of gemstone dimensions.
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Jewelry Engravers: Equipment for engraving designs or inscriptions on jewelry pieces.
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Portable Carat Scales: Compact scales for accurately weighing gemstones.
Notable Product: Presidium Gem Tester II (PGT II)
The Presidium Gem Tester II is a widely recognized device in the gemological community. It utilizes thermal conductivity to distinguish diamonds from moissanites and other gemstones. Key features include:
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Assisted Thermal Calibration (ATC): Allows users to calibrate the device according to ambient temperature, enhancing accuracy.
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Retractable Probe Tip: Features the industry's thinnest retractable probe tip for testing small gemstones.
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Analog Display: Provides clear and direct readings for up to 16 types of gemstones.
Global Presence and Compliance
Presidium's instruments are distributed through over 125 authorized resellers across more than 49 countries, spanning North and South America, Asia, Europe, the Middle East, and Oceania. The company is committed to environmental responsibility, ensuring all products comply with RoHS (Restriction of Hazardous Substances) and WEEE (Waste Electrical and Electronic Equipment) directives.
Customer Feedback and Considerations
While Presidium's devices are popular among professionals, some users have noted limitations. For instance, discussions on gemological forums highlight that while the PGT II is effective for certain applications, it may not reliably identify all gemstone types, especially rough stones. Experts often recommend using such devices in conjunction with other gemological tools for comprehensive analysis.
