無色H
H Color is the second-highest grade in the 'almost colorless' category. Color is only discernible when compared to significantly higher color grades. Even when set in a ring, distinguishing the color can be challenging for a skilled appraiser.
VVS1 - Very, Very Slightly Included
Minute inclusions that range from extremely difficult to very difficult to see are visible to a skilled grader using 10x magnification.
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