Diamond Tester Pen, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter
- Real Diamond will Emits sounds and lights >=9..
- This diamond selector tester designed for quick, precise, and safe diamond testing..
- Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights.
- If the stone is fake, crystal or cubic zirconia, the tester will not beep..
- Diamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.Package include:1 x Diamond Tester,1 x Leather Pouch Case,1 x Testing Platform,1 x User Manual,1 x DC 9V battery..