Rare Pearl Colors. The most common pearl colors ar...

Rare Pearl Colors. The most common pearl colors are white to gray, with pink, silver and green overtones. Black pearls are also relatively abundant and can be easily found on the market. However, most of the colored pearls are very rare and it can be difficult to find natural ones.
A Quick Guide to Pearl Colors – Jewelry Guide
https://www.jewelryshoppingguide.com/guide-to-pearls-colors/