Introducing House of Tanzanite, the crown jewel of Alberto Collections. Founded in 1985, this collection features the beautiful cobalt blue gemstone, Tanzanite. Known for its striking color and elegance, this gemstone is a symbol of the life-giving oceans and is a perfect representation of nature's beauty. Alberto offers the largest selection of AAA cobalt blue Tanzanite designs, all of uncompromising quality in all shapes and sizes. From classic solitaires to modern and contemporary designs, this collection has something special for everyone.