Quality D
A "D Quality" pearl is one that has either a large amount of slight flaws distributed over 60% of the surface, or several slight and deep flaws distributed over 60% of the surface at the most, regardless of the luster.
A "D Quality" pearl is one that has either a large amount of slight flaws distributed over 60% of the surface, or several slight and deep flaws distributed over 60% of the surface at the most, regardless of the luster.