What is the small black thing inside the package that is shaped like the capital letter E

Mine came with a thing to hold loose diamonds...is this what you’re talking about?

Does this unit test uncut stones?

How To Test Diamond Turn on the switch. Make sure only 1 light is lighting up on the scale. Wait few seconds for the probe to heat up until Lamp on ready OK. Turn on the lights numbers corresponding to the indoor temperature and diamond weight. If don't know. Set 4 lights is lighting up on the scale. Start test diamond, no need to adjust the switch switch. Use the diamond discriminator probe to make 90-degree contact with the measured object, and observe the indicator light change. It needs a little bit of force to stop it on the diamond surface and make full contact. If unsuccessful, please repeat the second step. Hqdz Diamond Tester Pen Test result analysis If lights >= 9 and have sounds, it is true diamond. If lights < 9 and no sounds, it is not diamond. If lights is 7 or 8, it is true crystal. If lights is 6 or 7, it is true jade. If lights is 4 or 5, it is glass. Don't test metal，Don't wear gloves. In a low temperature environment, the battery discharge is weakened. Please raise the battery temperature to above 10 degrees Celsius. The test takes a few minutes, please turn off the power after the test is complete.

Why does it go to red and beep on a chain I believe it’s gold . It’s the same beep noise as it sounds with a diamond. Not the weird sound on metal

How To Test Diamond Turn on the switch. Make sure only 1 light is lighting up on the scale. Wait few seconds for the probe to heat up until Lamp on ready OK. Turn on the lights numbers corresponding to the indoor temperature and diamond weight. If don't know. Set 4 lights is lighting up on the scale. Start test diamond, no need to adjust the switch switch. Use the diamond discriminator probe to make 90-degree contact with the measured object, and observe the indicator light change. It needs a little bit of force to stop it on the diamond surface and make full contact. If unsuccessful, please repeat the second step. Hqdz Diamond Tester Pen Test result analysis If lights >= 9 and have sounds, it is true diamond. If lights < 9 and no sounds, it is not diamond. If lights is 7 or 8, it is true crystal. If lights is 6 or 7, it is true jade. If lights is 4 or 5, it is glass. Don't test metal，Don't wear gloves. In a low temperature environment, the battery discharge is weakened. Please raise the battery temperature to above 10 degrees Celsius. The test takes a few minutes, please turn off the power after the test is complete.

Will it beep for lab grown diamond?

it should but if it doesn't beep then take it to a jeweler to have them check it out. plus you can go online and see

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Q: Will it beep for lab grown diamond?

it should but if it doesn't beep then take it to a jeweler to have them check it out. plus you can go online and see

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💎 Spot the real sparkle, anytime, anywhere!

COMPACT PORTABLE - Lightweight 150g device fits perfectly in your toolkit or pocket for on-the-go verification.
EFFORTLESS OPERATION - User-friendly design makes diamond testing intuitive, saving you time and boosting confidence.
READY OUT OF THE BOX - Includes 9V battery and sleek packaging—start testing immediately, no extra purchases needed.
PRECISION YOU CAN TRUST - Engineered for both novices and pros to identify real diamonds with pinpoint accuracy.
CERTIFIED QUALITY ASSURANCE - CE certified for reliable performance and safety, ensuring professional-grade results every time.

The Hqdz High Accuracy Diamond Tester is a compact, battery-powered device designed for both novice and expert jewelers. Featuring a 9V power source and CE certification, it delivers precise diamond authenticity testing in a lightweight, portable form factor. Ready to use with included batteries and premium packaging, it ensures professional-grade reliability wherever you go.

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Brand	Hqdz
Power Source	Battery Powered
Colour	black
Item Weight	0.33 Pounds
Item dimensions L x W x H	10 x 4 x 3 Centimeters
Min. Operating Voltage	9 Volts
Specification Met	CE
UPC	612957119690
Manufacturer	Gadget Hero's
Country of Origin	India
Number of Memory Sticks	1
Item Weight	150 g
Product Dimensions	10 x 4 x 3 cm; 149.69 g
Batteries	1 A batteries required. (included)
Item part number	Hqdz
Item Height	3 Centimeters
Item Width	4 Centimeters
Voltage	9 Volts
Included Components	1 Electric Circuit Testing Device
Are batteries included?	Yes
Lithium battery energy content	1 Watt Hours

HqdzHqdz High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector II 9V Battery Included

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