Materials. The price of Fritillaria accessories varies a lot because of different materials. Fritillaria is made of shells, and the price is not high. Polished Fritillaria can present pearl luster and look beautiful and atmospheric. Fritillaria, also known as Fritillaria, is actually a pearl oyster. Fritillaria wraps sand with secretions to form beautiful pearls, and excellent pearls can be made into precious jewelry.