Professional Jeweller High Accuracy Diamond Tester For Novice and Expert - Diamond Selector II 9V Battery Included

Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing., LCD display & LED indicator.Uses large / small switches for testing diamonds,Emits audible sounds to easily differentiate the readings., Hqdz Diamond Tester Pen is simple to operate to get results, professional(s) are not required., Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep., Diamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.