Has Tanzanite Gone up in Value?

Unlike Diamonds and gems like Tsavorite, Tanzanite prices do not currently increase rapidly on a per carat basis at different carat brackets. Tanzanite value and hence price is very much linked to rarity - the finer the color/clarity/cutting grade the higher the price.

Is tanzanite a good investment?

The changes taking place in Tanzania makes tanzanite a very good investment stone. Other factors affecting value include the depth of color, quality of color in daylight and in incandescent lighting, the clarity of the stone, the type of cut, quality of cut and polish, the demand and the current supply of Tanzanite.

Is tanzanite becoming rare?

According to a Tanzanian geologist, the circumstances that led to its formation 585 million years ago were so exceptional that the likelihood of finding tanzanite anywhere else on earth is one in a million, making it a thousand times rarer than diamonds.