Gemstone Refractometer - Professional Diamond & Jewelry Identification Tool, Refractive Index 1.300-3.0 for Accurate Jade, Diamond & Gemstone Testing

Discover the ultimate solution for gemstone identification with our Gemstone Refractometer, designed for both professionals and hobbyists alike. This essential jewelry tester features a large LCD backlight for easy reading, even in low-light conditions. With an impressive accuracy of 0.001 and a measurement error of just ±0.005, this tool allows you to measure the refractive index from 1.300 to 3.000, making it suitable for a wide range of gemstones including jade, diamonds, and various other precious stones. Whether you're a jeweler verifying the authenticity of a gem or a collector ensuring the quality of your stones, our refractometer provides reliable results. For jade enthusiasts, it accurately tests whether the refractive index aligns with the expected value of 1.66, ensuring you can confidently assess the quality of your jadeite. Similarly, it evaluates Hetian jade, identifying its refractive index of 1.61, so you can make informed decisions while purchasing or appraising these exquisite stones. This digital gem refractometer is particularly adept at distinguishing between natural and synthetic diamonds, with a refractive index measurement capability that reaches up to 2.417. It’s essential for anyone involved in the jewelry industry, as it helps you differentiate between genuine and artificial stones effectively. Designed for ease of use, our refractometer is powered by a long-lasting 700mA lithium battery, capable of over 10,000 uses. Its compact size (5.31x3.1x0.94 inches) and lightweight design (1.76 lbs) make it a portable companion for gem testing at home or on the go. Included in the package is one gemstone refractometer. Please note that slight color variations may occur due to lighting, and manual measurements may have an error margin of 1-3 cm. Elevate your gemstone testing experience and ensure the authenticity of your precious stones with our top-notch refractometer.

• High-Quality Gem Refractometer: Crafted from Durable Aluminum Alloy, this Gem Refractometer features a Scratch-Resistant Surface for Reliable Precision Testing. The ABS Engineering Plastic Power Switch and Triple Insulation Protection Enhance Safety by Minimizing Leakage Risks. Ideal for Gemstone Analysis, it Offers Stability and Accuracy for Professionals and Enthusiasts Alike.
• Jewelry Tester Identification Tool: Essential for gem identification, this reliable tool measures the refractive index of gemstones non-destructively and accurately. With a test range of 1.300-3.000, it’s perfect for jewelers and enthusiasts alike, ensuring precise evaluations of your precious stones. Perfect for both beginners and professionals in the Jewelry industry.
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• Working Principle】: The working principle of the refractometer is based on total internal reflection. The refractive index is a very important optical parameter, and the characteristics of gemstones can be determined based on this parameter
• Service: If you have any questions about this product, please feel free to contact us, we will respond to you within 24 hours!