Of course with the The Gemologist’s Diamond Authenticity Tester. Ok, busy now for couple of hours to go through my diamond collection I traded in for my dog.
This device instantly verifies the authenticity of a diamond and detects the presence of moissanite and cubic zirconia, the two most common diamond simulants. The handheld unit uses thermal and electrical conductivity testing–the same verification methods used by gemologists–to determine if a stone is a natural diamond or a counterfeit.
The device exposes stones to thermal and electrical currents and their ability to conduct these currents reveals the true identity of the stone (genuine diamonds are only thermally conductive; cubic zirconia is neither thermally nor electrically conductive; moissanite conducts both heat and electricity).
Simply place the tip of the device on the stone in question and LEDs illuminate instantly on the handle to show the composition of the stone. Simply rubbing the probe tip on copy or printer paper prior to each use will clean the sensor and ensure optimal results.
More info: The Gemologist’s Diamond Authenticity Tester
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