The geologist even estimates that due to the peculiarity of the set of conditions required for the formation of tanzanite, unlikely the gemstone will form ever again. So, what do you think of its rarity? Unbelievably Affordable Price The price of tanzanite is the primary reason why more and more people are rushing over to their trusted jewelers to get tanzanite jewelry in the present times. After learning about the gemstone’s rarity, you must be thinking that it’s worth a small fortune. However, you’ll be shocked to know that tanzanite sells for much less than other precious gemstones. The affordable price of tanzanite can be attributed to the gemstone’s unknown status among the masses. Because the gemstone is a relatively recent discovery, most people are unaware of it. However, now things are rapidly changing. With indie designers trying to make a name for themselves with their tanzanite jewelry pieces, tanzanite is slowly getting its due recognition.