Product Information
- This product can not only test the diamond authenticity, but also can test the hardness of the finished jade in between 5 and 9.
- Dual function, non-destructive testing.
- Portable size, convenient for carrying.
- Easy to operate and accurate test.
- Item size: 162 * 42 * 22mm / 6.4 * 1.7 * 0.9in



















