Product Parameters
Compact diamond tester in black, made of plastic and metal. The tester measures 160 x 40 x 22 mm and is designed in a handheld format for easy transport. It includes a carrying case and a testing tray for holding loose stones. Power supply: 9V battery, not included.

Core Functions
The tester is designed to indicate whether a diamond is genuine or imitation. The reading scale is easy to read, while the volume can be adjusted with the control knob. Different audio signals help to distinguish readings more clearly. For testing, the diamond or jewelry should be clean and dry.

Suitable Scenarios
Suitable for checking loose stones and jewelry for purchase valuation, personal inspection, or general gemstone testing. Its compact size makes it convenient to carry when viewing diamonds in different locations.

Product Summary
A portable diamond tester with clear scale reading, adjustable volume, and audio indication, comes with a case and a testing tray for practical everyday checking of gemstones.