Portable electronic device for distinguishing real diamonds from other simulated .
LCD display and LED display, powered by DC 9V battery x 1 (not included)
If stone crystal, a simulant like zirconia (), there is no reaction.
It is designed for a fast, accurate and safe diamond test
colour:Black + silver
Material:PC+ metal
size:16*4*2.2cm
Package Contents:
1 * Metals and Gem Tester
1 * LED Magnifier
1 * Test bench
1 * Instruction manual
Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.