High Precision Gemstone Refractometer with Large LCD, Refractive Index 1.300-3.000, ±0.005 Error, 700mAh Battery - Essential Jewelry Identification Tool for Gemologists

★★★★★ 4.9 21 reviews

$459.51
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$459.51
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Management number 211150338 Release Date 2026/04/04 List Price $183.80 Model Number 211150338
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Are you looking to differentiate genuine gemstones from imitations or verify your valuable finds? Our Gemstone Refractometer offers professional-grade accuracy right at your fingertips, making it an essential tool for gem enthusiasts, collectors, and professionals alike. **Key Features:** - **No Messy Oils Required:** This innovative refractometer operates without the need for refractive oils, allowing for a quick and non-destructive measurement. Just place your gem on the platform for immediate results. - **Precision You Can Trust:** Featuring a high-precision sensor, our digital refractometer spans a refractive index range from 1.300 to 3.000, boasting an accuracy of ±0.001. - **Durable and Portable:** Constructed from high-strength aluminum alloy, this lightweight refractometer (only 250g) is both portable and scratch-resistant, making it easy to carry wherever you go. - **Long Battery Life:** Equipped with a 700mAh rechargeable battery, this gem identification tool is capable of performing thousands of measurements on a single charge, ensuring you’re always prepared. **Versatile Applications:** - **Jade & Nephrite:** Verify authenticity by measuring the refractive indices, such as 1.66 for jadeite and 1.61 for nephrite. - **Diamonds & Simulants:** Easily distinguish between natural diamonds (RI 2.417) and common imitations like cubic zirconia. - **Colored Gemstones:** Confidently identify both single and double crystal gemstones, as well as other polished gem materials. **Technical Specifications:** - **Product Name:** Gemstone Refractometer - **Measurement Range:** RI 1.300 - 3.000 - **Accuracy:** ±0.001 - **Measurement Error:** ±0.005 - **Battery:** 700mAh Rechargeable - **Product Size:** 135 x 78 x 24 mm - **Net Weight:** 250g **Package Includes:** - Gemstone Refractometer x 1 - Calibration Blocks (1.487 & 1.806) x 2 - Aluminum Box x 1 - Tweezers x 1 - User Manual x 1 **Note:** For best results, always calibrate with the included blocks ...

  • Discover the Gem Refractometer, a Professional Jewelry Tool featuring a clear LCD Display for precise gemstone analysis. Ideal for gem enthusiasts and professionals, this refractometer provides accurate refractive index measurements to help you identify and evaluate gemstones effectively. Elevate your gemology skills with this essential instrument designed for reliability and ease of use.
  • Our Gem Refractometer is designed for ease of use in the Jewelry industry. No need for refractive oil—just place your sample on the platform. To guarantee consistent accuracy, this tool includes two calibration blocks (1.487 & 1.806), ensuring precise and reliable measurements every time. Perfect for gem enthusiasts and professionals alike.
  • Experience High-Precision Measurements with our Digital Gemstone Refractometer. Designed for Jewelry Professionals, it boasts a refractive index range of 1.300 to 3.000 and an accuracy of 0.001, ensuring reliable results. Perfect for non-destructive analysis of Diamonds and Colored Gemstones, it provides essential quantitative data for informed decision-making.
  • 【Professional Gem Identification】This Gem Refractometer is an essential tool for Jewelry Enthusiasts and Professionals. Utilizing advanced internal reflection technology, it features a high-precision sensor to measure the Refractive Index of gemstones. This ensures reliable data for accurate identification and differentiation between various gem types, making it a must-have for any gemologist.
  • Discover the ultimate Portable Gem Refractometer, expertly designed with a High-Strength Aluminum Alloy for durability. Weighing just 250g, it's easy to carry. Enjoy precise readings on the Clear LCD Backlit Display and operate safely with Insulated ABS Switches. Perfect for gem enthusiasts and professionals seeking reliability and convenience in their gemology tools.
Item Weight 2.2 pounds
Manufacturer Generic
Item model number Generic
Batteries required No
Package Dimensions 3.15 x 3.15 x 3.15 inches

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