Mag Jewelry 838 Dyer Ave, Cranston, RI02920 Mag Jewelry is a family-owned and -operated company that specializes in inspirational jewelry and gifts. It has…More been in business for over 50 years at its headquarters on Dyer Avenue, where all of its products are created. It sells religious as well as spiritual jewelry, such as crosses and angels. Mag also sells a breast cancer awareness line of jewelry. Purchases can be made online through its website.