Conch pearls are a bit unique from most other 'pearls'. Conch pearls have no nacre, but are made completely of calcareous concretions. So technically speaking, conch pearls are not really pearls are at all. Also, Conch pearls are natural pearls. There is no developed method to culture these pearls. This makes Conch pearls both rare and valuable.
Conch Pearls At A Glance
Below is a table summarizing some of the key characteristics of Conch pearls:
Origin : Caribbean
Sizes :<1.0mm>
Shapes :Baroque and Oval
Colors & Overtones :
Body colors are usually pink, yellow, brown, white, or golden