Digital Gemstone Refractometer - Jewelry Authenticity Tester, 1.300-3.000 RI Range, Accurate ±0.005, 700mAh Battery for 10,000 Tests, Essential Tool for Gemologists.

★★★★★ 4.4 99 reviews

$436.74
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$436.74
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Free shipping Free 30-day returns

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Product details

Management number 211150346 Release Date 2026/04/04 List Price $174.70 Model Number 211150346
Category
  • Professional Gemstone Identification Tool -- This advanced Refractometer features a precision optical system and LED backlight, ensuring accurate refractive index measurements from 1.300 to 3.000. With an accuracy of ±0.005 and a resolution of 0.001, it’s perfect for Jewelry Professionals and Gemology Enthusiasts to easily identify Diamonds, Sapphires, Emeralds, and more.
  • Discover the essence of gemstone testing with our advanced Gemstone Tester. Utilizing Total Internal Reflection, this essential tool measures the Refractive Index, a vital optical parameter for identifying and differentiating various Gem Types. Enhance your gem identification skills and ensure accurate results with this reliable and user-friendly device. Perfect for both beginners and professionals in the Gem and Jewelry industry.
  • Wide Compatibility for Various Gemstones – This Jewelry Calibration Test Tool is designed for both Uniaxial and Biaxial Crystals, allowing quick and accurate identification of Single and Double Gemstones. Suitable for Moissanite, Diamond, Colored Gems, Natural or Synthetic Stones, Minerals, and more. An essential tool for Gemologists and Serious Collectors alike.
  • CLEAR VISUAL READING & EXTENDED BATTERY LIFE -- Featuring a large LCD screen with backlight illumination, a high-sensitivity sensor, and ligent electronics, the device ensures excellent readability even in low-light conditions. Powered by a rechargeable 700mAh lithium battery, it supports up to 10,000 measurements per charge, making it suitable for lab use, field gemology trips, and jewelry store applications.
  • WIDE COMPATIBILITY FOR VARIOUS GEMSTONES -- Suitable for both uniaxial and biaxial crystals, this jewelry calibration test tools quickly and accurately identifies single and double gemstones—including moissanite, diamond, colored gems, natural or synthetic stones, minerals, and other solid materials. A must-have for gemologists and serious collectors.

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4.4 out of 5
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99 ratings | 41 reviews
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