For at least 164,000 years, oysters have been part of the human diet, but people have been finding pearls in oysters for much ...

A golden-lipped oyster produces a pearl whose color ranges from champagne to deep yellow; these are rarer than gold. Advertisement - Continue Reading Below. White South Sea. Getty Images.

If an oyster that typically produces white pearls has an unusual black coloring in its nacre, it too can create a blackish pearl. This, however, is rare; it occurs in only one in 10,000 pearls.

Appropriately named the “Pearl Geode Collection,” she has created a grouping of earrings, pendant necklaces and rings with many styles, shapes and color combinations. The result is an organic ...

The color of the pearl is revealed, and a bell is rung. All this is explained and narrated by a host, who ventures into “step right up, folks” territory without completely diving in.