What island does the black pearls come from?

Black pearls primarily come from Tahiti, specifically the islands of French Polynesia. The black-lipped oyster, known as Pinctada margaritifera, is responsible for producing these unique pearls. The natural coloration of the pearls varies, often displaying shades of black, gray, green, and blue. Tahitian black pearls are highly sought after for their beauty and rarity.