How to Tell a Real Diamond From a Fake: A Guide
Last but not least, one of the most straightforward tests you can conduct relies entirely on your eye. Hold the diamond under a normal lamp and observe how the light reflects off of it. 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. "A real diamond does give off some flashes of some flashes of color, but it should be mostly white light." 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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