Thermal Diamond Testing: Uses thermal conductivity to help distinguish diamonds from glass, crystal, cubic zirconia and other simulants.
365 nm UV Light: Built-in UV light supports fluorescence checking as an added screening step for gemstones.
Fast 0.5s Response: After warm-up, the probe provides a quick reading with LED and sound indication.
Beginner-Friendly Use: Touch the stone at a 90 angle while holding the conductive panel for straightforward testing.
Accuracy Guidelines: Best used at room temperature with bare hands and stones of 0.02 carats or larger.
Complete Testing Kit: Includes tester pen, tweezers, testing platform, 9V battery and instruction manual.
What's in the box
1 x Diamond Tester Pen
1 x 9V Battery
1 x User Manual
