JZK Portable Electronic Diamond Tester Pen for Diamond, Sapphire, Ruby, Crystal, Agate, Jade, gems Multi Gemstone Precious Stones Hardness Test Tool, Diamond Selector II V2

Description

💎 Test Like a Pro, Shine Like a Boss!

The JZK Portable Electronic Diamond Tester Pen is a precision tool designed for professionals and enthusiasts to quickly and accurately verify the authenticity of diamonds and multiple precious gemstones including sapphire, ruby, jade, agate, and crystal. Featuring a clear LED light scale and audible beep system, it delivers instant, reliable results. Compact and lightweight, it offers easy calibration and ergonomic handling, making it an essential device for anyone serious about gemstone verification.