{"product_id":"high-accuracy-diamond-tester-pen-gemstone-identification-tool-for-jewelers-portable-gem-detector-with-light-beep-prompt","title":"High Accuracy Diamond Tester Pen, Gemstone Identification Tool for Jewelers, Portable Gem Detector with Light \u0026 Beep Prompt","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAll-in-One Ready-to-Use Kit: Comes with tester pen, leather storage pouch, stable testing platform, user manual and 9V battery—no extra purchase, usable right out of the box.\u003c\/li\u003e\n\u003cli\u003eIntuitive Gem Identification: Equipped with high-precision sensor, the tester displays different light numbers and beeps for various gems, easily distinguishing real diamonds\/moissanite from glass, CZ, jade and crystal.\u003c\/li\u003e\n\u003cli\u003eHassle-Free Simple Operation: Just 4 basic steps—load battery, preheat 30s, calibrate to the 4th mark, touch the metal panel and test with perpendicular probe; recalibrate for each new gem test.\u003c\/li\u003e\n\u003cli\u003eClear Usage Scope: Specialized for non-metal gemstones like diamond, jade, agate and crystal; NOT for metal, gold, plastic or skin (metal leads to false beep due to thermal conductivity).\u003c\/li\u003e\n\u003cli\u003eReliable Testing Tips \u0026amp; Support: Test in wind-free environment for accuracy, power off after use to save battery; free step-by-step video guide and professional customer service for any troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: Generic","offers":[{"title":"Default Title","offer_id":48240343711895,"sku":"B0GJBCTKLQ","price":15.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/41Wa7QcJMKL.jpg?v=1788951264","url":"https:\/\/tinkervanta.com\/products\/high-accuracy-diamond-tester-pen-gemstone-identification-tool-for-jewelers-portable-gem-detector-with-light-beep-prompt","provider":"TinkerVanta","version":"1.0","type":"link"}