PEARL GRADING SYSTEM |
| Pearl Grades | AAA | AA | A | CQ (Commercial Quality) |
| Shape | Virtually in perfect round shape | Near round shape | Oval, drop, pear, button, symmetrical shape | Baroque or semi-baroque shape |
| Surface | 95% of surface will be free from any defect | Lightly blemished, at least 75% of the surface will be free from any defect | Moderately blemished, more than 25% of the surface showing defect | More blemishes on surface and more than 75% of the surface showing defects |
| Luster | Perfect - Reflections are bright, shape and distinct | High - Reflections are bright but not sharp, slightly hazy on edge | Medium - Reflections are hazy and blurred | Low - Reflections are dim |
| Overall | Virtually flawless or almost flawless, the highest grade of Gem quality pearls | Desirable quality, trade-off between quality and price | Lower Jewelry-grade pearls, but very affordable and it's the best-sale among all pearl grades. | Lowest grade pearls, considered acceptable for use in jewelry and frequently used to make Fashion & Costume Jewelry |