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    Diamond Tester, Powered by USB, Easy Use Jewelry Diamond Tester

    • [Power Upgrade] The HMKIS diamond tester offers two power supply options: Type-C and 9V Power (includes a 1m Type-C cable). Utilizing a Type-C power supply delivers a more stable and precise voltage output, thereby enhancing the accuracy and reliability of experimental and test results. Opting for the Type-C power supply is highly recommended for optimal performance. PLZ NOTE THIS IS Non-Rechargeable !
    • [Rapid Assurance] The Professional Diamond Selector II swiftly verifies the authenticity of diamonds with precise accuracy. Designed for quick and secure testing, this diamond selector features an LCD display, LED indicator, and large/small switches for testing diamonds. Audible signals provide further assistance in interpreting readings, ensuring a swift and confident evaluation process.
    • [Easy Use]The HMKIS Diamond Tester Pen is a user-friendly tool that eliminates the need for professional knowledge in diamond testing. With just a few simple steps, anyone can determine the authenticity of a diamond. 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. The red light and beep emitted by the diamond tester indicate the presence of a diamond, making it a convenient and easy-to-use tool for anyone in need of quick and accurate diamond testing.
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    Overview
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    Any questions? Our AI mode will help you find out quickly.

    How to Use Diamond Tester Pen

    how to use diamond tester

    1. Remove protective cap and connect the USB Power Cable, then POWER light on.
    2. Choose the correct diamond size by adjust the wheel, test when the READY light on
    3. When testing an S diamond continuously, the S diamond needs to cool down for a while before testing.

    Choose the right size. if don't know, choose M.

    diamond tester

    S-Mode is extreme sensitivity

    • Built for Micro-Diamonds & Tiny Gemstones.
    • Detects even the smallest stones that normal testers miss.
    • the device will display incorrect results when testing large objects
    • If you don't know the specific size, you can use M first.

    diamond tester

    L-Mode is large diamond specialist

    • Optimized for 1+ Carat Stones & Heavy Jewelry.
    • Filters out minor environmental interference for rock-solid accuracy on large gems.
    • the device will display incorrect results when testing small objects
    • If you don't know the specific size, you can use M first.

    Usage steps

    diamond tester of size diamond

    Testing S size Diamond

    1. Comfirm: the size of the diamond is " S"
    2. Adjust the wheel to the CORRECT SIZE
    3. Level Meter =9 lights and emits sound

    diamond tester result of L size

    Testing L size Diamond

    1. Comfirm: the size of the diamond is " L"
    2. Adjust the wheel to the CORRECT SIZE
    3. Level Meter =9 lights and emits sound

    • The device is set to the wrong setting. The S setting is the ultra-sensitive setting and can only be used to test Micro-Diamonds. This setting will cause false readings if it is used to test objects weighing more than 0.2 grams.

    • The L setting is specifically designed for large diamonds. If you use this setting to test small diamonds, the device will barely react.

    • You can start by testing with the M setting. The M setting is for testing diamonds between 0.5 and 1 carat.

    Precautions

    diamond tester

    Working environment requirements

    • The working environment temperature is preferably between 5-35?
    • Need to be in a windless environment
    • Do not get close to hot or cold objects

    hmkis diamond tester

    Pre-test preparation

    • Both the diamond tester and the diamond need to wait for more than 1 minute. Do not hold the diamond in your hands (your hands are hot)
    • There should be no water, grease, etc. on the diamond surface

    Functional limitations

    diamond tester

    Unable to tester too small diamonds

    • When the diamond size is less than 0.025ct, the diamond tester light bar cannot reach the red area
    • When the diamond size is less than 0.015ct, the diamond tester light bar will not respond

    diamond tester

    Unable to distinguish moissanite & diamond

    • This diamond tester cannot distinguish between moissanite and diamond
    • The device can only judge thermal conductivity through heat transfer, and the thermal conductivity of the two is close.

    diamond tester

    60X Jewelry Loupe Magnifier

    • Material: ABS pocket microscope.
    • Size: 3.5 x 4 x 2 cm coin magnifier.
    • Illuminated by LED. Bright LED light of the Magnifying Glass provides enough light at any dim conditions currency detecting microscope.
    • Compact design provides 60X magnification magnifier for currency.

    How to Use Diamond Tester Pen

    how to use diamond tester

    1. Remove protective cap and connect the USB Power Cable, then POWER light on.
    2. Choose the correct diamond size by adjust the wheel, test when the READY light on
    3. When testing an S diamond continuously, the S diamond needs to cool down for a while before testing.

    Choose the right size. if don't know, choose M.

    diamond tester

    S-Mode is extreme sensitivity

    • Built for Micro-Diamonds & Tiny Gemstones.
    • Detects even the smallest stones that normal testers miss.
    • the device will display incorrect results when testing large objects
    • If you don't know the specific size, you can use M first.

    diamond tester

    L-Mode is large diamond specialist

    • Optimized for 1+ Carat Stones & Heavy Jewelry.
    • Filters out minor environmental interference for rock-solid accuracy on large gems.
    • the device will display incorrect results when testing small objects
    • If you don't know the specific size, you can use M first.

    Usage steps

    diamond tester of size diamond

    Testing S size Diamond

    1. Comfirm: the size of the diamond is " S"
    2. Adjust the wheel to the CORRECT SIZE
    3. Level Meter =9 lights and emits sound

    diamond tester result of L size

    Testing L size Diamond

    1. Comfirm: the size of the diamond is " L"
    2. Adjust the wheel to the CORRECT SIZE
    3. Level Meter =9 lights and emits sound

    • The device is set to the wrong setting. The S setting is the ultra-sensitive setting and can only be used to test Micro-Diamonds. This setting will cause false readings if it is used to test objects weighing more than 0.2 grams.

    • The L setting is specifically designed for large diamonds. If you use this setting to test small diamonds, the device will barely react.

    • You can start by testing with the M setting. The M setting is for testing diamonds between 0.5 and 1 carat.

    Precautions

    diamond tester

    Working environment requirements

    • The working environment temperature is preferably between 5-35?
    • Need to be in a windless environment
    • Do not get close to hot or cold objects

    hmkis diamond tester

    Pre-test preparation

    • Both the diamond tester and the diamond need to wait for more than 1 minute. Do not hold the diamond in your hands (your hands are hot)
    • There should be no water, grease, etc. on the diamond surface

    Functional limitations

    diamond tester

    Unable to tester too small diamonds

    • When the diamond size is less than 0.025ct, the diamond tester light bar cannot reach the red area
    • When the diamond size is less than 0.015ct, the diamond tester light bar will not respond

    diamond tester

    Unable to distinguish moissanite & diamond

    • This diamond tester cannot distinguish between moissanite and diamond
    • The device can only judge thermal conductivity through heat transfer, and the thermal conductivity of the two is close.

    diamond tester

    60X Jewelry Loupe Magnifier

    • Material: ABS pocket microscope.
    • Size: 3.5 x 4 x 2 cm coin magnifier.
    • Illuminated by LED. Bright LED light of the Magnifying Glass provides enough light at any dim conditions currency detecting microscope.
    • Compact design provides 60X magnification magnifier for currency.

    Diamond Tester, Powered by USB, Easy Use Jewelry Diamond Tester

    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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