Product Details:

Small gem tester to detect the condition of the original stone from the fake.

More than one type of stones can be tested, such as diamonds, sapphires, crystals, and others.

Easy to use, just calibrate the device to the standard of the stone that you want to measure, as shown in the pictures, usage guide, or video explanation, and place the device on it.

It works by battery and does not need charging.

Note:

To operate the device, a 6LR61 9V battery must be installed, and the device does not include a battery.