$34.00
On Hold
LED Audio Jewelry Diamond Gemstone Authentication Tester Selector II Tool
The testing theory is based on the natural hardness of the diamonds.
For jades, it is roughly tested, not accurately.
Please don't use it to test metal or stone material whose hardness is less than 4
More details will be included in users' manual
Size: 16.5*4.0*2.2cm
powered by DC 9V batter
Package include:
1* Gemstone Jewelry Tester Diamond Selector II (Battery doesn't include)
1*users' manual
For jades, it is roughly tested, not accurately.
Please don't use it to test metal or stone material whose hardness is less than 4
More details will be included in users' manual
Size: 16.5*4.0*2.2cm
powered by DC 9V batter
Package include:
1* Gemstone Jewelry Tester Diamond Selector II (Battery doesn't include)
1*users' manual
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