South Sea - Cultured in warm salt waters, south
sea pearls can be exceptionally large and generally
white, golden or black. Black pearls are commonly
referred to as "Tahitian" and range from light gray
to very dark gray to black with a broad spectrum
of over tone colors.

South Sea Keshi - Irregularly shaped pearls
that unexpectedly grow alongside cultivated pearls
in the mollusk, primarily composed of nacre.

Akoya - Cultured saltwater pearls produced
around the islands of Japan.

Baroque - The name refers to a style of pearls
that are irregularly shaped. The pearls often feature
ridges or protrusions.

Mabe - Half-sphere pearls cultured against the
inside shell of the oyster.

Freshwater - Generally irregularly shaped
pearls grown in mollusks found in freshwater
lakes and rivers.