The combined diamond and moissanite tester

The diamond tester.
The diamond tester measures the heat conduction to separate diamond and its imitations. Switch on the tool and wait at least 30 seconds before you measure your stone. This is to exclude any measuring errors. Always wait 10 seconds between each test to allow the point to heat up properly. Verify that the stone is clean, wipe off any fingerprints. The grease is an insulator and will falsify your test result. Attention, this type of tool does not distinguish between moissanite and diamond !!!
   

The moissanite tester.
The moissanite tester measures the electric conductivity to separate moissanite from diamond. Verify that you touch the metallic plate on the instrument while the other hand is in contact with the stone or it's mounting. If the stone is not set, place it in the aluminum plate and touch the plate with your other hand. Verify that the stone is clean, wipe off any fingerprints. The grease is an insulator and will falsify your test result. Attention, this type of tool does not recognize blue or blue-gray diamonds (Type IIb) as they have identical conduction properties as moissanite !!!

The combined tester for diamond and moissanite.
This instrument measures the heat and electrical conduction. The manipulation is identical as described above. This type of instrument separates diamond-imitations, moissanite and diamond. Verify that the stone is clean, wipe off any fingerprints. The grease is an insulator and will falsify your test result.


This concerns all instruments.

Take care of the testing needle. Clean it by rubbing gently on a piece of paper. Do not force it. Measure the stone at a 90░ angle. Attention, synthetic diamond will not be recognized by any of the tree instruments.


Personal recommendation
For security reasons, keep some stones to check the calibration of the instrument whenever you have a doubt.

Cubic-Zirconia, Sapphire, Diamond, Moissanite


More information and pricelist here
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