Portable Digital Gem Refractometer, LCD Display, Accurate RI 1.300-3.000, 0.001 Precision, Ideal for Diamond Jade Gemstone Testing, 700mAh Battery

Are you seeking to accurately identify authentic gemstones and steer clear of expensive imitations? Our professional Gemstone Refractometer is crafted for gem enthusiasts, collectors, and experts who prioritize precision and ease of use. This indispensable tool delivers lab-grade accuracy in a compact, portable design, simplifying gemstone verification like never before. ✦✦ Key Features - **Effortless Operation**: Our advanced refractometer requires no messy oils. Just place your gemstone on the platform for swift, non-destructive measurements. - **High Precision**: With a broad refractive index range (1.300–3.000) and ±0.001 accuracy, this digital refractometer guarantees consistent, dependable results. - **Durable & Portable**: Built from high-strength aluminum alloy, this lightweight device (250g) is scratch-resistant and travel-friendly, perfect for professionals on the move. - **Long Battery Life**: Equipped with a 700mAh rechargeable battery, it supports thousands of measurements per charge. ✦✦ Versatile Applications - **Jade & Nephrite**: Verify authenticity by checking refractive indices (e.g., 1.66 for jadeite, 1.61 for nephrite). - **Diamonds & Simulants**: Easily distinguish mined diamonds (RI 2.417) from common imitations like cubic zirconia. - **Colored Gemstones**: Confidently identify single and double crystal gemstones, as well as polished materials. ✦✦ Technical Specifications - Product Name: Gemstone Refractometer - Measurement Range: RI 1.300–3.000 - Accuracy: ±0.001 - Measurement Error: ±0.005 - Battery: 700mAh Rechargeable - Dimensions: 135 x 78 x 24 mm - Weight: 250g ✦✦ Package Includes - Gemstone Refractometer x 1 - Calibration Blocks (1.487 & 1.806) x 2 - Aluminum Storage Box x 1 - Tweezers x 1 - User Manual x 1 ✦✦ Important Note: For optimal performance, calibrate with the included blocks before use. Unlock the true potential of your gemstones with confidence...

• Gem Refractometer for Jewelers with LCD Display, Accurate Gemstone Analysis Tool, Compact and User-Friendly for Beginners and Professionals
• Gem Refractometer for Effortless Gem Identification, No Refractive Oil Needed, Includes Calibration Blocks 1.487 & 1.806, Ideal for Jewelers and Gemologists
• High-Precision Digital Gemstone Refractometer for Jewelers, Accurate Readings with 0.001 Accuracy, Non-Destructive Analysis for Diamonds and Colored Gemstones, Refractive Index Range 1.300 to 3.000
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• Durable Gem Refractometer with High-Strength Aluminum Alloy, Lightweight 250g Portable Design, Clear LCD Backlit Display for Precise Readings, Insulated ABS Switches for Safe Use, Ideal for Gemology and Jewelry Making