| Clarity
When
light enters a diamond, it is reflected back out. It
there is a disruption in the flow of light, like an
inclusion, some light will be lost. Therefore the brilliance
could be compromised. So the fewer inclusions, the more
brilliant and more costly the diamond will be. Clarity
begins with FL (flawless), IF (internally flawless,
VVS1 or VVS2 (very, very slightly included, VS1 or VS2
(very slightly included. SI1 or SI2 (slightly included.
Then we get to diamonds that are not eye-clean, these
are I1, I2 or I3.
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