What is the sparkle in a diamond called?

What is diamond clarity sparkle?

The most brilliant, or sparkliest, diamond cut is the round brilliant cut. Round brilliant diamonds are cut to have 58 facets (including the culet), allowing light to enter the diamond and reflect off of every facet to create a beautiful sparkle.

How do diamonds sparkle?

Diamonds get their brilliance from three things: reflection, refraction and dispersion. Reflection is the light that hits the diamond and is immediately bounced back up, giving it an instantaneous shine.

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