| Types of pearls | Akoya Pearl | ![]() |
|
| Pearl size | 6.5-7.0mm | ||
| Pearl shape | Semi Round | ||
| Pearl color | Blue Color (Dyeing) | ||
| Pearl rank | Luster&Layer:5 Spot:4 |
||
| full length | About 53×32mm | ||
| Material of Metal Fittings | Silver |
| Level | 5 | 4 | 3 | 2 | 1 |
| Luster & Layer | Very high | High | Medium | Poor | Very poor |
| Spot | Very minor | Minor | Minor to medium | Heavy | Very heavy |