This system grades pearls on a scale from A to AAA.
| Grade | Description |
| 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 BasicsSouth Sea Pearl Sizes
South Sea Pearl Colors
South Sea Pearl Grading









