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How to Choose a Premium Diamond Testers

A diamond & moissanite 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.

How Diamond Testers Work
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.



What Are Diamond Testers Used For?
Diamond testers are used by jewelers all the time to check the authenticity of diamonds.If you bring in your diamond with the intention to sell it or exchange it for another one, the jeweler will want to make sure your stone is real as this is not always obvious.

How Reliable Are Diamond Testers?
Diamond testers are one of the most accurate tools to check a diamond for authenticity.However, you should know that testers that rely on thermal conductivity can mistake a moissanite for a diamond because these two stones are very similar in the way they conduct heat.

Jewelry Tools Diamond Selector LED Moissanite Tester High Accuracy Detector Pen

What Makes a Good Diamond Tester?

If you’ve decided that you want to buy a diamond tester, there are several things you should be looking for. First, 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. Another good feature is having a metal detector that signals if you accidentally touch part of the metal setting instead of the stone. If your tester doesn’t recognize metal, it can indicate that you are holding a real diamond when you unknowingly touch the setting, even if the diamond itself is fake.


Next:What Gem Testing Tools are Essential for a Gemmologist
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