How to Tell a Real Diamond From a Fake: A Guide

“A real diamond does give off some flashes of some flashes of color, but it should be mostly white light.”” says A real diamond will sparkle exceptionally, giving off white light as well as some colorful reflections.However, “If you see too many rainbow colors flashing off the stone, it’s most likely Moissanite or cubic zirconia,” warns Wegman.If you’re still unsure, it can help to compare the diamond in question against a fake diamond-like cubic zirconia, which will be drastically less vibrant. Below are some of our favorite diamond picks on the market. (Spoiler alert: They’re all real.)

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