Digital Gemstone Refractometer, Jewelry Authenticity Tester Deal for Testing, Jade, Diamonds, Synthetic Gems, Professional Display Tool Jewelers, Collectors Small Business Owners

Gemstone Refractometer, Jewelry Tester Identification Tools with Large Lcd Backlight, Error: + -0.005/accuracy: 0.001/Refractive Index 1.300-3.000, for Test Jewelry①JadeGem refractometer is suitable for identifying polished finished products.Jade jade can be tested to determine whether the refractive index of jade isIt is in line with its numerical test of 1.66, and it is necessary to protect the jadeiteThere is a flat rough stone of at least 3mm②Hetian jadeGem refractometer is suitable for identifying polished finished productsHetian Jade can test whether the refractive index of Hetian Jade isIt is a rough stone that meets its numerical value of 1.61③JewelryGem refractometer is suitable for identifying various types of gemsstone, the number of refractions fixed by its various varieties of gemstonesThe value is used to determine whether the rough stone matches the characteristics of the gemstone.④DiamondDigital gem refractometer for identification of natural diamondsAnd artificial diamonds, the refractive index reaches 2.417However, diamonds with refractive index between 1.98-2.2 are all artificial.Diamond, also known as zircon💎Specifications:Measuring range: refractive index 1.300-3.000Measurement error: + -0.005Measurement accuracy: 0.001Battery life:10.000 TimesPower supply: 700mA Lithium BatteryProduct Size: 13.5x7.8x2.4cm(5.31x3.1x0.94inch)Net weight: 0.8kg(1.76lbs)💎Products include:1*Gemstone refractometer2*calibration block (1*1.487, 1*1.806)1*aluminum box1*instruction manual💎If you have any questions about our products, please feel to contact us and we will reply to you within 24 hours.

• 🎐【Wide Measurement Range + High Accuracy】Precisely covers the refractive index range of mainstream jewelry/glass. Our refractometer supports a refractive index range of 1.300-3.000, perfectly matching the refractive characteristics of common gemstones (diamonds, jade, emeralds, etc.) and artificial materials (glass, synthetic gems)
• 🎐【One-Button Operation】No professional skills required; even beginners can become expert appraisers in no time. No complex calibration or professional knowledge is required: just place the sample in the detection area and press the "TEST" button, and the high-definition screen will output the result in 1 second.
• 🎐【Portable Mini Body】Conduct appraisals anytime, anywhere, adapting to various scenarios. With a lightweight and compact handheld design, this refractometer can be easily put into a tool bag or backpack. It solves the trouble that "large professional equipment cannot be carried around
• [Digital High-Definition Display】Eliminates reading errors, doubling appraisal efficiency. Instead of the traditional eyepiece reading (which is easily affected by light and vision), the digital screen directly displays the refractive index value. Even in dim environments (such as indoor studios or night markets)
• 🎐【Suitable for All Scenarios】Professional tool + user-friendly design, meeting the needs of different users. It is not only a professional auxiliary tool for jewelers and appraisers (to improve the accuracy of daily work), but also a practical artifact for collection enthusiasts (to self-check the authenticity of gemstones) and small store owners (to quickly screen incoming goods)