Best Precision Jewelry Diamond Test Pen Environmentally Friendly 9V Battery, High Precision Jewelry Diamond Tester, Suitable for Novice and Expert, Thermal Conductivity Meter (Black)
$13.99
Description
Professional Diamond Selector II will show real diamonds or fakes，Use the big/small switch to test diamonds，Makes an audible sound to easily distinguish readings..Easy to use：Real diamonds make sounds and lights >= 9.Fake crystal, such as cubic zirconia (CZ), crystal, glass will not emit sound and light <9..Support battery: support mercury-free alkaline environment-friendly high-performance battery，DC 9V battery x 1 (included).Fast and Safe: This diamond selector tester is designed for fast, precise and safe diamond testing. Harmless to diamonds..Service: If you have any questions about the use, please contact us. We will explain the details. Professional equipment, the use method needs to be learned slowly.
