Size and Weight
The size of a pearl is measured in millimeters and where the pearl is most wide. In general, the bigger the pearl is, the more valuable it is. This applies only if measured within the same pearl quality.
- Akoya
cultured pearls - Cortez
cultured pearls - Freshwater
cultured pearls - South Sea
cultured pearls - Tahiti
cultured pearls
Ordinary sizes
4 – 9 mm
Rare sizes
<4 and >9 mm
Ordinary sizes
8 – 10 mm
Rare sizes
>10 mm
Ordinary sizes
Round 2 – 13 mm / Baroque 2 – 16 mm
Rare sizes
>13/>16 mm
Ordinary sizes
10 – 18 mm
Rare sizes
<10 and >18mm
Ordinary sizes
8 – 16 mm
Rare sizes
>16 mm