The South Sea Pearl Blog / pearl grading

Learn how seller certificates, appraisals, and independent pearl laboratory reports differ—and how to check identity, classification, treatment findings, limitations, and document-to-jewel matching.

Pearl pairs are judged across size, shape, color, luster, surface, and orientation. This guide explains the practical matching sequence, acceptable natural variation, and the difference between measured similarity and convincing visual balance.

Compare South Sea pearls through seven clearly described value factors, then assess matching separately for pairs and strands. This guide also explains seller grades, treatments, and the questions worth asking.

Cultured pearls are real pearls grown inside living oysters — “cultured” has never meant fake. What the word covers, how the three saltwater families differ, and how to judge a piece before you buy.