All you should know about Diamond tester

What is a Diamond tester?
A diamond tester is a portable device that you can put in your pocket. The tester has a small, needle-like tip that needs to be placed on the stone tested. If the diamond is real, the device indicates that on its display or with a sound signal.
Especially during sales dialogues for diamonds the diamond tester is the favored equipment due to their facility for a flexible application. Using a procedure that analyzes the heat conductivity, the gemstones can be classified into real diamonds, cubic zirconia and moissanite.

Diamond tester
How a diamond tester works
A Diamond tester of several years’ age is no match for today’s variety of diamond simulants and synthetics, especially since those simulants have all the chemical properties of a real diamond. A conventional diamond tester has a metal tip that is heated and then applied to the cooler surface of a diamond. Heat transference occurs, and since the heated tip of the tester also heats the diamond, the read-back from the diamond to the tester is a match; this indicates that the stone is truly a diamond.
Diamond testers’ principle of operation is based on the fact that different gemstones conduct heat differently. Heat will pass through a diamond in a different way than it would through cubic zirconia or glass.
A diamond tester will detect the rate at which heat moves through the stone and will tell you whether it is a real diamond.
There are also testers that use electrical conductivity to test stones – they are based on a similar principle, but they use electricity instead of heat.

Where to buy a Diamond tester
There are so many counterfeit Diamond tester all over and are being sold on stores. To buy an original and quality Diamond tester, visit

If you’ve decided that you want to buy a diamond tester, make sure that the device uses electrical conductivity in order to tell a diamond from a moissanite. The latest models available on the market combine heat/electricity testing for greater accuracy.


Leave a Reply

Your email address will not be published. Required fields are marked *