Pearl Identification and Grading | ||||||||||||
Species (Trade Term) | Amami Oshima Mabe Pearl (Pinctada Penguin) | |||||||||||
Approx. Size (mm) | Approx. 13.0 mm up | |||||||||||
Shape | Hemisphere | |||||||||||
Color | Bluish Gray | |||||||||||
Overtone | Orient | |||||||||||
Luster | ★ | Excellent | Very Good | Good | Fair | Poor | ||||||
Imperfection & Surface | ★ | Clean | Very Slightly | Slightly | Moderately | Heavily | Clean Only Face | |||||
Matching | Excellent | Very Good | Good | Fair | Poor | ★ | N/A | |||||
Nacre | ★ | Acceptable | Unacceptable | |||||||||
Grade (PGS) | ★ | AAA | AA+ | AA | A+ | A | B | |||||
Quantity of Pearls (Pcs.) | 1 | |||||||||||
Setting | ||||||||||||
| Material (s) | - | |||||||||||
Plated | - | |||||||||||
Gem (s) | - | |||||||||||
Measurement | - | |||||||||||
Remark: Each pearl is unique and may be slightly different in shape, size, imperfections, and color from the advertised image. | ||||||||||||
| *1 | *2 | *3 | *4 | *5 | *6 | 7 | *8 | 9 | *10 |
| 13.0up | 13.0up | 13.0up | 13.0up | 13.0up | 13.0up | 13.0up | 13.0up | 13.0up | 13.0up |
| BO24550 | BO24535 | BO24565 | BO24574 | BO24518 | BO24533 | BO24508 | BO24543 | BO24520 | BO24573 |
