Product: Diamond Tester Gem Tester Jewelry Identification Tool, High Precision Diamond Test Pen For Identify Diamond Jewelry, Diamond Hardness Detector Observer Tool By Thermal Conductivity
Brand: Zyyini
Properties:
1. This is a testing tool suitable for jewelry display or identification. 
2. The thermal conductivity meter is based on the thermal conductivity of the diamond, which was specially developed and manufactured from real diamonds for the identification of an electronic instrument. 
3. The diamond tester tool is a professional identification tool for the authenticity of diamonds and their imitation. 
4. The hardness of jadeite can be proven. The thermal conductivity instrument tests objects to be measured when 7 is lit, which indicates that the hardness of the objects to be measured is about 7 
5. Can help you tell whether your diamond is real or fake. 

Specification:
Item type: Diamond testing tool 
Diamond Tester Pen Battery: 6F22 9V battery (not included) 

Package list:
1 x diamond testing tool 
1 x accessory 
1 x instruction 

Note:
The hand should touch the metal plate behind the instrument when testing
【Precise Diamond Checker】 This is a test tool suitable for jewelry display or identification. The diamond tester tool is a professional identification tool for the authenticity of diamonds and their imitation.
【Easy to use】 Easy to use, even for beginners. The green indicator is shown when the stone is a real diamond. A continuous humming sound is heard if the user accidentally touches metal rather than stone.
【Portable design】 Diamond tester for a quick, precise and y diamond test. Thanks to lossless testing, the process is simple and precise. The tester is light, compact and easy to transport.
【Versatile】 The tester has a very compact design, ideal for buying jewelry, buying diamonds, selling real estate, auctions, etc. The g tones must be clean, dry and at room temperature.
【Working Principle】 The thermal conductivity meter is based on the thermal conductivity of diamond, which is specially designed and manufactured from real diamonds to identify an electronic instrument.

Search query: gem hardness tester
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