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	#3,253 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #2 in Jewelry Diamond Testers
Brand Name	Hqdz
Color	Black
Customer Reviews	4.1 4.1 out of 5 stars (7,582)
Included Components	Batteries included
Item Dimensions	3.94 x 1.57 x 1.18 inches
Item Weight	5.28 ounces
Lower Temperature Rating	10 °C
Manufacturer	Hqdz
Measurement Type	Thermal Conductivity
Minimum Operating Voltage	9 volts
Model	Hqdz
Number of Items	1
Part Number	Hqdz
Power Source	Battery Powered
Style Name	1.High Quality Accuracy Ease of use 2.Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones 3. Professional Diamond Selector for Novice and Expert&Jewelers,Thermal Conductivity Meter 4.Gems, Jewelry, Diamonds, jewelry appraisal, gemstones, rocks,watches,
UPC	612957119690
Unit Count	1 Count
Upper Temperature Rating	35 °C

Diamond Tester,High Accuracy Jewelry Diamond Tester Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included(Black Diamond Testers)

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