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Akoya Pearl Grading Chart
Akoya
Farm
Grade |
PurePearls.com
Grade |
Description |
A |
AAA |
Highest Luster; Less than 5% Inclusions on Surface;
Thick Nacre; Perfectly Round;Perfectly Matched; |
A/B |
AA+ |
Highest Luster; Less than 10% Inclusions on
Surface; Perfectly Round; Perfectly Matched; Thick
Nacre; |
B |
AA |
Good Luster; Less than 15% Inclusions on Surface;
Thick to Medium Nacre; Very Round; Excellent Matching; |
C |
A/A+ |
Moderate Luster; Less than 30% Inclusions on Surface;
Medium to Thin Nacre; Round to Near-round; Good
Matching. |
D |
A |
Moderate to Low Luster; Less than 30% Inclusions
on Surface; Thin Nacre; Round to Near-round; Moderate
Matching. |
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