There are many ways for a pearl farmer to change the appearance of a pearl after it has been harvested.

One of the ways, is changing the color of a pearl using different methods, the most common being dyeing. Many Chinese freshwater cultured pearls are dyed. They can be made in to many beautiful bright colors, and are available in a full range of colors. Farmers can also color pearls by implanting a dyed bead in to the mollusk’s nucleus at the beginning of the culturing process. 

In freshwater pearls, white is the traditional natural color. However, other natural colors in freshwater pearls are cream, pink, peach, and lilac. Most freshwater pearls found in bright colors have been dyed. Designers often use these dyed pearls to make unique bright colored pearl jewelry.