In addition to their massive aragonite platelets, which give them their distinct shine and delicate reflection, natural South Sea pearls are typically much larger than other forms of pearls. Of all the farmed pearls, they also have the thickest average nacre. Because of these features, South Seas is valued and unique. Natural South Sea pearls are prized for their lustrous beauty and uniqueness, and they are magnificent gems found deep within the ocean. The South Pacific's immaculate seas, particularly those off the shores of Australia, Indonesia, and the Philippines, are the main locations for pearl cultivation. They stand out due to their remarkable size, which usually falls between 9 and 20 mm or more, making them some of the biggest cultured pearls on the market.