1-6mm and 16 .32ct Diamonds. Thousands of cultured pearls are harvested each year from the waters of Japan; but only a small fraction is judged by our expert buyers to be of fine Princesse quality. Internationally known for their rich hue, brilliant luster and cultivated depth, Princesse Cultured Pearls are your assurance that you are giving the finest qulaity gift of its kind. Princesse pearl strands rival the beauty and quality of those owned by royalty of ancient times. Most styles are also available in 14K white gold, 18K yellow gold or platinum.