What color of tanzanite is most expensive?

blue
Tanzanite gems with a strong-to-vivid blue, purplish blue and violetish blue color are the most valuable.

What is the best grade tanzanite?

The optimum range for Tanzanite is 4—6 where the stone is neither too light or too dark. The very finest stones lie in the 6 range. Saturation is arguably the most important component in the GIA color grading system.

How can you tell quality of tanzanite?

Clarity & Luster It has an attractive vitreous luster and is often of high clarity. Eye visible inclusions can decrease the value of the Tanzanite. The best quality tanzanite is “clean” and free of visible inclusions of any kind that can be viewed only by a jewelers loupe.

What does AAA tanzanite mean?

AAA – The general highest quality material available, reserved for the very best jewelry. It represents about five percent of all Tanzanite. This grade has a strong representation of blue and violet, with intense flashes of burgundy. AA – The standard jewelry grade of Tanzanite.

Why is tanzanite so cheap?

Tanzanite is so rare because it is found and mined in a small area only four kilometers wide and two kilometers long at the foot of Mount Kilimanjaro in the Manyara Region of Northern Tanzania. Currently, the worldwide wholesale market for rough tanzanite is estimated at US$50 million.

Does GIA certify tanzanite?

GIA evaluates tanzanite but does not grade it. A GIA Colored Stone Identification Report assesses the characteristics of any polished, rough, mounted or loose material (weight, measurements, shape, cutting style and color); identifies whether it is natural or laboratory-grown; and names any detectable treatments.

Is tanzanite the rarest gem?

Tanzanite is one of the rarest gemstones on earth and one of the most undervalued relative to its rarity. Given its scarcity, it would be reasonable to assume that it would sell at a high premium. Yet, with the price per carat ranging between US$300 and US$600, it sells for far less than diamonds.