Based on the halo theme, this Tanzanian blue spinel ring is elegant and graceful. Halo-style jewelry originated during the 18th century, and it is a highly popular choice since then. Made in sterling silver with platinum plating, the halo ring features an octagon-shaped Tanzanian blue spinel in the center of the natural white zircon rounds halo. The ring has been further glamorized by adding zircons on its band too. The high point of this halo Tanzanian blue spinel ring is the fancy prongs used to secure the center gem which makes it appear different. Blue spinel is considered the rarest variety of all the spinel. It is formed through a rare natural occurrence and due to its rarity, it has become a popular gemstone for gem collectors.