Founded in 1985, House of Tanzanite is the crown jewel of Alberto’s vast collections of jewelry. Featuring a bold violet and brilliant blue gemstone, this collection spotlights the elegance of our life-giving oceans. Alberto offers a selection of tanzanite designs of uncompromising quality in all shapes and sizes. Handcrafted in the U.S.A., all designs are either one-of-a-kind or limited edition.