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A Brief History of Pearls: Tahitian Pearl Harvesting

The short answer

Tahitian pearl harvests are small, because black-lip oysters are less plentiful than other pearl oysters. Farmers lift the oyster nets, open each shell with special tools and remove the pearl. Productive oysters are nucleated again, up to four times, and the last pearl an oyster makes is often a mabe pearl.

Reviewed by American Pearl’s pearl specialists · Updated October 2026
  A brief history of pearls

TAHITIAN PEARL HARVESTING


Harvests at Tahitian pearl farms are usually small-scale operations because the oysters used to grow them are less plentiful than other types of oysters are.

The Tahitian Pearl Harvesting Process

In order to harvest Tahitian pearls, which are kept in lagoons where black lip oysters would naturally live, pearl farmers pull them from the water and transport them to harvesting facilities.

Once they've arrived at a harvesting facility, the oysters' shells are pried apart and the pearls are removed. Harvesters use special tools to avoid damaging the pearls or the oysters that produce them.

Although relatively few black lip oysters survive the initial nucleating process, those that do and produce pearls are immediately nucleated again to produce another pearl.

Mabe Pearls and Black Lip Oysters

Some oysters are nucleated up to four times before they are discarded. The last time a black lip oyster produces a pearl, it's a mabe pearl. A mabe pearl is a half-spherical cultured pearl that grows on the oyster's inside shell rather than inside its body.

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Tahitian pearl harvesting: common questions

How many times can a Tahitian oyster make a pearl?

Some black-lip oysters are nucleated up to four times before they are retired.

What is a mabe pearl?

A half-round cultured pearl grown against the inside of the shell instead of within the oyster’s body. It is often the last pearl a black-lip oyster produces.

Why are Tahitian pearl harvests small?

Black-lip oysters are less plentiful than other pearl oysters, and few survive nucleation.

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