Professional Digital Gemstone Refractometer with Large LCD Display, RI 1.300-3.000, High Accuracy 0.001, ±0.005 Error, Rechargeable 700mAh Battery, Ideal for Diamonds & Jade

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• Discover the precision of our Gem Refractometer, designed for professional jewelers. Featuring a clear LCD Display, this essential tool accurately measures the refractive index of gemstones, ensuring quality assessments. Lightweight and portable, it's perfect for on-the-go evaluations. Elevate your jewelry appraisal with this user-friendly instrument tailored for gem enthusiasts and experts alike.
• User-Friendly: Our Gem Refractometer streamlines the gem testing process. No refractive oil is needed; just place the sample on the platform. For consistent accuracy, this Jewelry Tester includes two calibration blocks (1.487 & 1.806) to ensure your measurements remain precise and reliable every time. Perfect for both beginners and professionals in the Gemstone Testing category.
• 【High-Precision Measurements】Achieve laboratory-level accuracy with this Digital Gemstone Refractometer. Featuring a wide refractive index range from 1.300 to 3.000 and a fine accuracy of 0.001, it ensures reliable, non-destructive analysis of Diamonds and Colored Gemstones. The minimal error of ±0.005 provides the confidence needed for precise evaluations.
• 【Professional Gem Identification Tool】This precision gem refractometer is essential for jewelry enthusiasts and professionals alike. Utilizing advanced internal reflection technology, it accurately measures a gemstone's refractive index. Get reliable data for effective gemstone identification and differentiate between various types of gems with confidence. Perfect for gemologists and hobbyists!
• 【 & Portable Design】Constructed from durable Aluminum Alloy, this Portable Gem Refractometer is lightweight at just 250g, ensuring easy transport. The Scratch-Resistant and Corrosion-Resistant design guarantees long-lasting performance. Featuring a Clear LCD Backlit Display and Insulated ABS Switches, it offers comfortable viewing and secure operation in any setting.