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There are many ways to determine if a diamond is real or fake, but most of these methods are not always reliable. One of the fastest and most accurate ways to

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How to Spot Fake Diamonds And Stimulants (2 Methods That Really Work)

The Truth About Diamond Testers: Functionality, Accuracy

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How Do Diamond Testers Work? - Estate Diamond Jewelry

How Does a Diamond Tester Work: A Clear Explanation

5 Ways to Tell if a Diamond is Real - wikiHow