Diamond Tester Pen is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests. Diamond indicator will be showed if the stone is a REAL diamond (Green light). Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone). 

FEATURE

• PORTABLE: Diamond Selector II is equipped with PU bag and small test tray to hold loose stones.
• Lightweight and compact, easy and convenient to carry.
• LOW BATTERY ALARM: Low battery alarm (red light indication) for Moissanite Tester.
• After 10 minutes of using the Moissanite Tester, the power light (green light will automatically turn off) and long beeps will notify the user to turn off the instrument.
• EASY TO IDENTIFY: The green indicator will be displayed on Diamond Selector II if the stone is a real diamond, it will emit a continuous buzzing sound when the user accidentally touches metal rather than stone.
• SIMPLE OPERATION: Moissanite Tester is a matched instrument with Diamond Selector II.
• It is only used for the distinction of colorless Moissanite. Non-destructive testing, simple and precise operation, low power consumption.
• QUICK AND ACCURATE DIAMOND TESTING: Diamond Selector II can help you distinguish whether your diamond is real or fake. It is designed for fast, accurate and safe diamond testing. It can detect whether a gemstone is real or fake,

including: diamond, sapphire, ruby, crystal, agate, jadeite and other gemstones in various size

FUNCTIONS 

•  Diamond Selector II can help you to distinguish whether your diamond is real or fake.
•  Diamond Selector II is equipped with a PU bag and small testing tray for holding loose stones.
• Green indicator will be showed on Diamond Selector II if the stone is a real diamond. It will make continuous buzzing sound when user accidentally touches metal rather than stone.
• Moissanite Tester is a matching instrument with the Diamond Selector II. It is only used for the distinction of colorless Moissanite.
• Non-destructive testing, simple and accurate operation, low power consumption, low battery alarm (red light indication) for Moissanite Tester.
• After 10 minutes' use of Moissanite Tester, the power indicator light (green light is automatically turned off) and long beep sounds will alert the user to turn off the instrument.
• f lights >= 9 and have sounds, it is true diamond.
• If lights < 9 and no sounds, it is not diamond.
• If lights is 7 or 8, it is true crystal.
• If lights is 6 or 7, it is true jade.
• If lights is 4 or 5, it is glass.
• Don't test metal, Don't wear gloves

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