Download diamond tester 3d app now and start playing one of the most popular practical jokes on your friends! This app turns your device into a fake diamond tester machine or diamond tester Pen. It s simulates a diamond tester pen electric sound,It is an ultimate diamond tester app real prank to pull on your friends that you have to try! and if Want to scare your friends and families? Want to see them impressive ?Use ENJOY diamond tester on your phone pen machine YOU WILL SEE IF THE DIAMOND REAL OR FAKE

FEATURES
Realistic sounding of the tester recorded from a real diamond tester sound machine.