How pearls get their round shape

We know how oysters make pearls, but how can they be perfectly spherical? A new theory says the remarkable structure allows them to naturally rotate in a shell.

Why Are Pearls Round?

1 Pearl Guide: Shape, Type, Size, Color, Luster, Real vs. Fake & More

Pearls: top quality AAA grade cultured fresh water pearls. These pearls are perfect for highlighting your jewellery designs, earrings, rings,

3mm-9.5mm White Round Shape Matched Freshwater Pearls Half Drilled AAA

Tahitian Pearl Basics – Kamoka Pearl

50 PC Freshwater Oyster with Pearls Inside Round Pearls Oysters Bulk 7-8mm Love Wish Pearl Party Kids Activity Birthday Gift

Prim Pearls: Pearl Shapes

12.5 MM Flat Round Shape Natural White Color Genuine South Sea - UK in 2023

At Auction: 9 mm multicolor round shape button cultured freshwater pearl stretch bracelet

Beginner's Guide to the Unique Shapes in Pearls