How To Buy Pearls: What are the different types of pearls?
Natural Pearls Natural pearls are rare and expensive; most in today’s market are vintage. When an irritant enters a mollusk’s shell it forms continuous layers of nacre which grow like onion skins around the particle. The result is a pearl. Natural pearls have irregular shapes due to the shape of the particle. Cultured Pearls Cultured pearls also grow inside mollusks, but by human intervention. A shell is carefully opened and an object is inserted. Cultured pearls are sold by their size in millimeters. Saltwater Pearls Saltwater pearls come from saltwater mollusk. Saltwater pearls can be natural or cultured. Freshwater Pearls Freshwater pearls come from mollusks residing in rivers and lakes.