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What is “Fire” in a Diamond?

Undoubtedly if you’ve done any diamond shopping, you’ve encountered the term “fire” when it comes to the visuals of a sparkling diamond. But what is it exactly? And what’s the difference between fire and brilliance?

Well simply put, “fire” is the colored sparkle seen when a gemstone is exposed to light. (Diamond fire may also be called “dispersion.”)

Brilliance, on the other hand, is the colorless light that is emitted from the gemstone.

The cut is critical when it comes to both brilliance and fire. If  there are “ideal proportions”, the gemstone will bend and reflect light so the fire and brilliance are maximized and spectacular to behold.

Check out the video below for a great example of fire and brilliance.