Diamond Tester Pen, High Accuracy Jeweler Diamond Tester for Novice and Expert, Professional Diamond Selector, Portable Diamond Checker Tool, Thermal Conductivity Meter (Matte Black)
- 【Jeweler Diamond Tester】This diamond tester can not only detect the authenticity of diamonds, but also detect the authenticity of jewelry. It can detect gemstones including: diamond, sapphire, ruby, crystal, agate, jadeite and other gemstones of various sizes..
- 【Nondestructive Testing】This diamond tester can quickly, accurately and safely detect the authenticity of diamonds without any damage to diamonds..
- 【Simple Use】The diamond test pen is easy to operate, just adjust to the appropriate gear, put the tip of the diamond tester on the diamond and press it gently.(The probe and the object to be measured must be at 90 degrees).
- 【Fast Results】The real diamond will make sound and LED light > = 9. Fake diamonds will have no sound and LED light < 9..
- 【Warm Reminder】The probe of diamond detector is very sensitive and must be protected with special care. When not in use, it should be sheathed. When testing diamonds, the right index finger must always touch the metal panel on the back of the tester, and do not touch the panel when testing other gems..