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  1. Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamo...

    EASY OPERATION: Insert the battery, power on the tester. Always reset to the fourth mark before each. It may mimic diamond readings and beep when exposed to high thermal conductivity products. Testing gemstone diamonds only.

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  2. Diamond Tester Jeweler Gemstone Detector Tester Pen for Professional Gem Tester

    You can not only test diamonds, but also test the authenticity of agate, jade, and crystal. How to test diamond: 1: Put the battery in. 2: Turn on the switch.Make sure only 1 light is up on the scale.

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  3. Diamond Tester Professional, High Accuracy Jewelry Diamond Tester Pen,

    [Easy Use]The HMKIS Diamond Tester Pen is a user-friendly tool that eliminates the need for professional knowledge in diamond testing. By turning on the Diamond Tester Pen detector, selecting the diamond size, and placing the tip of the tester on the gemstone, users can easily identify whether the stone is a genuine diamond or if it is made of glass, crystal, or cubic zirconia based on the results.

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  4. Diamond Tester, Professional Jewelers Gemstone Detector, High Accuracy Diamond

    EASY OPERATION: Insert the battery, power on the gem tester, then preheat the tester for 30 seconds. Always reset to the fourth mark before each test. The probe is 90 degrees vertical to the diamond.

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  5. ONE New 2 in 1 One Touch Diamond & Moissanite Tester Diamond Detector

    Low battery indicator for accurate readings. Style: Modern. - Auto shut-off with a push button switch. Color: Gray. - Unique new anti-fade circuit which compensates for stone heating. - Multipurpose alarms.

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  6. LED Currency Detector Lamp 200‑240X Jewelry Diamond Identification Magnifyin AM9

    Designed with currency lamp, not only can be used to observe things, but also used to identify banknotes, is a very practical tool. Usage: Identification of banknotes, jewelry, etc., help observe the internal structure, very practical tool.

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  7. Diamond Tester Pen, Professional Jewelry Diamond Tester with 60X Jewelry Loup...

    [Jewelers Loupe] The 60X LED Jewelers Loupe with batteries is a versatile tool that can be used for a wide range of applications. Its compact design and powerful LED lights make it convenient for use in various settings, providing clear and detailed magnification for all your viewing needs.

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  8. Diamond Tester, Professional Gemstone Detector, High Accuracy Testing Pen

    EASY OPERATION: Insert the battery, power on the tester. Always reset to the fourth mark before each test. Note: During the whole testing process, diamond detector tester must be kept vertical (that is, 90 degrees) with the object to be tested.

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