This system grades pearls on a scale from A to AAA.
|AAA||Round to the eye. Brilliant luster, 80-90% free of any blemishes or marks.
|AA||Medium luster with surface defects over not more than 60% of the surface area.|
|A||Noticeably off round. Very little to no luster, 70-90% free of any blemishes or marks.
More South Sea Pearl Information:South Sea Pearl Basics
South Sea Pearl Sizes
South Sea Pearl Colors
South Sea Pearl Grading