Unsure about the authenticity of your diamond? Learn how to perform 5 easy, non-destructive tests at home using simple items ...

In the past, one of the most common techniques to test if a diamond was real or synthetic was to scratch the gem against glass — if the glass is scraped or scratched, the diamond's real. But this ...

The fog test is one of the quickest ways to check for a fake diamond. Just breathe on the stone as if you’re fogging up a mirror. A real diamond will clear almost instantly because diamonds are ...