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  • Gemologists use eleven grades to define clarity.
Question 1:
Gemologists use eleven grades to define clarity. This grade means there are no inclusions or surface blemishes under 10x magnification.
A. IF (Internally Flawless)
B. FL (Flawless)
C. I1 (Imperfect – Level 1)
D. VS1 / VS2 (Very Slightly Included)

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