This natural blue unheated piece of Tanzanite, from Mererani Tanzania, weighs 8.40 CTS and measures 15X10X6 MM. Amazing clarity and color that will produce an amazing gem.NATURAL BLUE TANZANITE ROUGH 8.40 CTS 15X10X6 MM.SKU: NBTR#7 $2,640.00 Regular Price$528.00Sale PriceQuantityAdd to CartBuy Now