Diamond Tester Pen – Portable Jewelry Diamond Testers for Real and Fake Gemstones – Professional Gemstone Detector Tool with LED Light, Audible Signal &

Without battery Technical features: 3. 4. Size of Diamond Stone Testers: The gemstone tester pen diamond gold tester has size about 6.6 inches length and width about 1.6 inches with thickness about 0.8 inches. The portable diamond detective kit tool is lightweight and durable for years of use. This jewelry diamond tester comes with a practical carrying case so they are very convenient for replacing on place to another Detection Way: These diamond detector tester jewelry tools indicates genuine diamond or fake very easily. This black diamond tester pen is designed and manufactured according to the thermal conductivity of diamond and the fake crystal such as cubic zirconia does not have any reaction. So in this way, you can perfectly treat heavy metals, gold, diamond and silver jewelry Result Indicator of Diamond Checker Tool: With diamond gem stone tester you will be able to know in a few seconds whether an item is fake or not, there are the LED indicator and the audible signal a red light will be displayed and an audible indicator will sound if the gemstone is a real diamond Easy to Operate Diamond Tester Tool: Simple calibration for stones of gemstone tester for all stones are easy to use even for a new beginner. This fake diamonds and gold tester for jewelry is also a great jewelry tool to have when testing your own jewelry. Just turn it on, lightly press the tip to the gemstone and wait for the beep to know if it is real or fake Wide Use: This diamond tester makes a thoughtful Christmas gift for Holidays. Used for industrial purposes such as heavy metal testing, it’s a good present for anyone with a passion for precision

• Thermal conductivity meter is an electronic instrument designed and manufactured specifically for identifying the authenticity of diamonds based on their thermal conductivity properties
• This instrument is a precision electronic instrument, used in an environment of 5-35 degrees Celsius and with a relative humidity of 80%
• The gemstone being tested must be clean, dry, and at room temperature
• Compact and portable handheld
• Non destructive testing, easy and accurate operation