Perls Diamond Earring 09

Perls Diamond Earring 

By Aamir Mannan.

Black cultured pearls from the black pearl oyster – Pinctada margaritifera – are not South Sea pearls, although they are often mistakenly described as black South Sea pearls. In the absence of an official definition for the pearl from the black oyster, these pearls are usually referred to as "black pearls".[citation needed]