Diamond Tester Portable LED Audio Jewelry Gem Gemstone Selector Precision Tool
Brand: zhuolong
Features:
1. Green indicator will be showed if the stone is a real diamond. It will make continuous buzzing sound when user accidentally touches metal rather than stone.

Specification:
Material: Plastic
Color: Shown As Pictures
Size: Approx. 16 * 4 * 2.1cm / 6.3 * 1.57 * 0.83inch
Battery: 9V Battery (Not Included)
Weight: 160g
Type: Jewelry Tool

Package List:
1 * Diamond Tester
1 * Manual
1 * Testing Platform
This diamond tester has a highly compact design and will help you to tell the difference between a genuine diamond and fake diamond
This tester comes with a PU case and small testing platform for holding loose stones
LED light and audio result indication
Simple calibration for stones of various sizes
Easy to use even for a new beginner