A pearl is a beautiful gemstone formed inside oysters when they coat an irritant with layers of calcium carbonate. There are natural pearls, which are rare and expensive, and cultured pearls, produced with human assistance and more common.

I bought for girls day 
A Pearl necklace for my sister

Natural pearls are a true wonder of nature, reflecting the oyster's defense mechanism against irritants. Cultured pearls, on the other hand, show how human intervention can replicate this natural process. Both types carry their unique beauty and charm, making them timeless pieces of jewelry.