High Accuracy Professional Diamond Tester Gemstone Selector ll Jeweler Tool Kits

About this item

• This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests.

• The diamond detector with voice instructions and audible sounds are emitted when the lights are on so that you can easily distinguish between masonry and stone.

• The small portable electronic devices can be put in any wallet or backpack, and the operation is simple. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained.

Measurement method：

Step 1：

1. Put the 9V battery in. (not included).
2. Take off the probe cap.

Step 2：

3. Turn on the switch, the power indicator is on.
4. Wait few seconds for the probe to heat up until another indicator is lighting up.

Step 3：

5. If you test diamond, you then need to turn on the number of lights corresponding to the indoor temperature and diamond weight.

Step 4：

6. If you test other gems, you'd better calibrate the probe before testing, Method: by placing the probe vertically on a piece of glass, then adjusting the light to 5, and then placing the probe on the gemstone to test.

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.

Precautions:

The surface of the test object is clean, flat and dry.


Don't wear gloves.

Don't detect metal.

Best to measure in no wind conditions.

The operating temperature is within the range of 5-35 degrees Celsius, and the humidity is below 80%.


When testing diamond, your right index finger must keep touching the metal panel on the back of the tester.

Please turn off the power after the test to save power.