{"product_id":"gaqqee-diamond-tester-thermal-conductivity-gem-authenticator","title":"Gaqqee Diamond Tester – Thermal Conductivity Gem Authenticator","description":"\n\u003ch2\u003eGaqqee Thermal Conductivity Diamond \u0026amp; Gem Tester\u003c\/h2\u003e\n\u003cp\u003eAuthenticate diamonds, cubic zirconia simulations, jade, jadeite, and crystal stones with confidence using the \u003cstrong\u003eGaqqee Diamond Tester\u003c\/strong\u003e. Powered by precision thermal conductivity technology, this compact electronic instrument delivers fast, accurate, non-destructive results — ideal for jewellers, gemologists, collectors, and savvy shoppers who want to verify their gems before or after purchase.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Conductivity Detection:\u003c\/strong\u003e Instantly distinguishes real diamonds from simulants such as cubic zirconia (CZ) using industry-trusted thermal conductivity measurement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLCD Display + LED \u0026amp; Audio Indicators:\u003c\/strong\u003e Clear digital readout paired with LED lights and an audible alert for real vs. fake results — no guesswork required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Warm-Up:\u003c\/strong\u003e Ready to test in approximately 20 seconds for quick, on-the-spot gem verification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Destructive Testing:\u003c\/strong\u003e Leaves gemstones completely unharmed — safe for loose stones and set jewellery alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Battery Alarm:\u003c\/strong\u003e Built-in alert lets you know when it's time to replace the 9V battery so you're never caught off guard mid-test.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Slim profile (approx. 160 × 40 × 22 mm) slips easily into a bag, making it the perfect companion for gem markets, auctions, and estate sales.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets international safety and environmental standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 9V battery × 1 (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital LCD + LED indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarm-Up Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~20 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTesting Capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiamond, diamond simulations (e.g. CZ)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal + Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~160 × 40 × 22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–35°C, ≤80% relative humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuto Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Diamond Tester\u003c\/li\u003e\n  \u003cli\u003e1 × Carrying Handbag\u003c\/li\u003e\n  \u003cli\u003e1 × Testing Tray\u003c\/li\u003e\n  \u003cli\u003e1 × User's Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eInsert a 9V battery and power on the device.\u003c\/li\u003e\n  \u003cli\u003eAllow approximately 20 seconds for the unit to warm up.\u003c\/li\u003e\n  \u003cli\u003eEnsure the gemstone is clean, dry, and at room temperature.\u003c\/li\u003e\n  \u003cli\u003eGently touch the probe tip to the surface of the stone.\u003c\/li\u003e\n  \u003cli\u003eRead the LCD display and observe the LED\/audio indicators for your result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003ePair your gem-testing toolkit with other quality accessories from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/medlineplus.gov\/ency\/article\/002476.htm\" target=\"_blank\" rel=\"noopener\"\u003eMedlinePlus on metal sensitivity\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Can this diamond tester distinguish between real diamonds and cubic zirconia (CZ)?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Gaqqee Diamond Tester uses thermal conductivity technology to accurately differentiate genuine diamonds from common simulants such as cubic zirconia (CZ). The LCD display and LED\/audio indicators provide a clear real-or-fake result within seconds.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the diamond tester work on set jewellery as well as loose stones?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The non-destructive probe tip can be applied to both loose gemstones and stones that are already set in rings, pendants, or other jewellery, as long as the stone's surface is clean, dry, and at room temperature.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What battery does the tester require, and is it included?\u003c\/h4\u003e\n\u003cp\u003eA: The Gaqqee Diamond Tester is powered by a standard 9V DC battery (not included). You will need to supply one 9V battery before use. The device features a convenient low battery alarm to let you know when a replacement is needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What environmental conditions are needed for accurate readings?\u003c\/h4\u003e\n\u003cp\u003eA: For best results, use the tester in an environment between 5°C and 35°C (41°F–95°F) with relative air humidity no greater than 80%. Stones must be clean, dry, and at room temperature prior to testing.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can this diamond tester distinguish between real diamonds and cubic zirconia (CZ)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The Gaqqee Diamond Tester uses thermal conductivity technology to accurately differentiate genuine diamonds from common simulants such as cubic zirconia (CZ). The LCD display and LED\/audio indicators provide a clear real-or-fake result within seconds.\"}}, {\"@type\": \"Question\", \"name\": \"Does the diamond tester work on set jewellery as well as loose stones?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. 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