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The only time a diamond would shine in the dark would be if in a dark room it was exposed to Ultraviolet Light which humans cannot see.

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Be aware that the only 'dark' where a gemstone diamond wouldn't shine is in a cave or in a closet with zero light.

A cut and polished diamond is designed to capture whatever light is available and reflect and refract it back into your eyes. A diamond will sparkle under starlight, moonlight, candlelight and other low-light sources.

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12y ago

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