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FAQ - Pearl Measurements

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Pearl Measurements

Cultured pearls are measured in millimeters (mm). Common pearl sizes are converted as follows:

5mm to 6mm: approximately 1/5 of one inch
6mm to 7mm: approximately 1/4 of one inch
7mm to 8mm: approximately 1/3 of one inch
9mm to 10mm: approximately 2/5 of one inch
12mm to 13mm: approximately 1/2 of one inch