5.75ct Violet Tanzanite

Specifications

Weight ? One carat is 0.2 grams. Larger stones of equal quality are rarer and cost more per carat.

2.14 ct

Price per unit ? The total price divided by the weight — the figure dealers compare stones on.

€934.57 per ct

Dimensions ? Length x width x depth. Two stones of the same weight can look very different in size.

10.98 x 9.13 x 6.42 mm

Colour ? The dominant hue. Colour is the single biggest driver of value in a coloured stone.

Violet — Blue violet

Clarity ? How free the stone is of inclusions, from IF (flawless) down through VVS, VS, SI and I1.

VS

Cut / shape ? The outline and faceting style the rough was cut to.

Octagon

Cut style ? Faceted stones sparkle; cabochons are domed and polished smooth.

Faceted

Transparency ? How much light passes through the stone.

Transparent

Species ? The mineral family the stone belongs to.

Natural Zoisite

Variety ? The named variety within that mineral species.

Tanzanite

Origin ? Where the rough was mined. Some origins carry a premium.

Tanzania

Treatment ? Heated to improve colour and clarity. This is a stable, permanent and industry-standard treatment.

Heated

About this gem

Note : Colors may look different depending on your screen settings, I try to make them as real as possible. The report of the stones is also available on ICA Gemlab website. COMMENTS Tanzanite is commonly heated to improve or change the color. Color authenticity is currently undeterminable