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

Question 1

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

Accepted Answer

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

Question 2

Does this unit test uncut stones?

Accepted Answer

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.

Question 3

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

Accepted Answer

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.

Question 4

Will it beep for lab grown diamond?

Accepted Answer

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

ASIN	B06Y2MT175
Best Sellers Rank	#10,830 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #837 in Test, Measure & Inspect
Brand Name	Hqdz
Colour	black
Customer Reviews	3.5 3.5 out of 5 stars (7,244)
Included Components	1 Electric Circuit Testing Device
Item Dimensions	10 x 4 x 3 Centimeters
Item Weight	0.33 Pounds
Manufacturer	Gadget Hero's
Minimum Operating Voltage	9 Volts
Model Number	Hqdz
Number of Items	1
Part Number	Hqdz
Power Source Type	Battery Powered
Specification Met	CE
UPC	612957119690
Unit Count	1 Count

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

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