South Sea pearls ... cost $1,500, and a necklace can reach over $200,000. So, how are these pearls grown? And what makes them so expensive? More from Retail South Sea pearls are the largest ...

their freshwater pearls are round enough and good enough to pass as Japanese akoya. China already sells round white pearls up to 7mm for perhaps a tenth the price of Japanese cultured saltwater ...

The vast majority of pearls in the pearl/jewelry market are cultured pearls. Cultured pearls may be bead nucleated, tissue nucleated or otherwise non-bead cultured, and they are produced in both ...

Figure 1. These four atypical freshwater cultured pearls with damaged nacre reveal one or more distinct nacreous layers underneath. Left to right: samples 1–4. Photo by Chunhui Zhou. Recently the East ...

Oysters are the primary producers of pearls, clams and mussels can also create pearls, though this is much less common. Most pearls come from oysters, which thrive in both freshwater and saltwater ...