jenis, mutiara, Harganya, mahal, langka, berkilauan, pasaran, Mutiara, Lombok, South, Sea, Pearls, Akoya, Tahitian, Air, Tawar, Biwa, Jepang, Utara, Kyoto, Cina, Timur, per, Gram, murah, mahal, terjangkau, hemat, ekonomis, diskon, grade, B, AAA, AA, A, putih, hitam