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