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Professional Diamond Tester Pen with 365nm UV Light & Thermal Sensor Fast 0.5s Detection, Portable Gem Checker for Novice & Experts Battery Included
- After-Sales Service: 30-day unconditional return or exchange. For any issues or battery replacement (same type available in the U.S.), please contact us
- Fast & Accurate Diamond VerificationThe high-accuracy diamond tester pen has advanced thermal conductivity; this tester accurately distinguishes real diamonds from common fakes like crystal or cubic zirconia. Ideal for home use, collectors, or resellers
- Built-in UV Light for Fluorescence DetectionDiamond tester professional features a built-in UV light to reveal diamond fluorescencean important clue in verifying authenticity. Different materials show different reactions under UV, making this feature useful for deeper assessment
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Real-Time Feedback with LED Lights & SoundsAfter a 25-second warm-up, hold the conductive panel on the top with your finger, tip the vertical diamond 90 degrees: a red LED flashes and a buzzer sounds when a real diamond is detected
Testing Tips for Best Accuracy Use with bare hands (avoid gloves) Best results at room temperature (1035°C) Accurate for diamonds 0.02 carats and larger
Compact & Ready for TravelDiamond tester pen compact size with protective case makes it easy to keep in your bag or drawer, leather pouch keeps your tester safe perfect for on-the-spot diamond checks at home, in stores, or while traveling.
Testing Tips for Best Accuracy Use with bare hands (avoid gloves) Best results at room temperature (1035°C) Accurate for diamonds 0.02 carats and larger
Compact & Ready for TravelDiamond tester pen compact size with protective case makes it easy to keep in your bag or drawer, leather pouch keeps your tester safe perfect for on-the-spot diamond checks at home, in stores, or while traveling.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Grandwood Tech Limited Return Policy
Manufacturer Contact Info
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