These are my 3 1ct + Colour Change Multi Colour Tanzanite Specimens A. 1.60 CT Tanzanite Multi-Colour Full Fire Si RARE Superior Lustre Unheated Natural Purple Blue Green! $85 B.1.23 CT Tanzanite Multi-Colour Si Superior Lustre Full Fire Best Cut Rare Blue Purple Green Untreated Natural $72 C. 1.17 CT Full Fire Tanzanite Si Multi-Colour Purple Blue Green Unheated Classic Cushion Shape RARE 7x5.5x3.5 $68