These occurrences is rare in nature, it is like one out of a million. One has to be careful when buying this as many so called coconut pearl are actually carve out from white stones or Indian conch shells. Those carved from stones are rather obvious and is rather heavy while those carved from Indian conch has square like patterns and a smooth surface. Coconut pearls are organic and they have a slightly rough surface similar to small coconut pulp with irregular skin like patterns and they are not exactly round.
It is believed that coconut pearl brings unexpected wealth in business and good luck.