Features:
✅【Intuitive Design】 Our diamond tester features an LCD display and LED indicator make it easy to read your precise testing results.
✅【Effortless Testing】 No need for a professional - the Diamond Tester Pen is easy to operate. Just turn it on, lightly press the tip to the gemstone, and wait for the beep to know if it's real or fake.
✅【If it's Real Diamond】The professional Diamond Tester will lighted up over 9 and emits audible sounds. No reaction means the stone is a fake crystal or simulant like cubic zirconium (CZ).
✅【Quick and Safe】 Designed for quick, precise, and safe diamond testing, this diamond selector tester ensures that there is no harm to diamonds during the testing process. providing accurate results every time.
✅【Convenient Package】 The Diamond Tester is battery-powered by a standard 9v battery (not included), and the package comes with a leather pouch case, testing platform, user manual and accurate diamond tester pen.

Specification:
Type:Diamond Tester
Material: Plastic
Color: black
Size: Approx. 16 * 4 * 2.1cm / 6.3 * 1.57 * 0.83inch
Battery: 9V Battery (Not Included)
Weight: 110g
Operation Methods:

Step 1:
- Put the 9V battery in. (not included).
- 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.
Package Included:
1 x Diamond Tester
1 x Leather Pouch Case
1 x Testing Platform
1 x User Manual