3. Brilliance & Fire

jewellery, ring, fashion accessory, finger, hand,

Diamonds bend light in such a way that they sparkle grey and white within the diamond.

This is called brilliance.

It will also reflect rainbow light onto surfaces when held up to the light, called fire.

If you look directly at your diamond and you see rainbow colors throughout, and not the grey and white brilliance, it's probably not real.

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