14.13 Carat Blue TANZANIAN Oval Tanzanite

This tanzanite weighs 14.13 carats and is cut in an oval shape. The stone displays a blue hue and originates from Tanzania, the only known source of tanzanite in significant commercial quantities. It has been heat treated, a standard and accepted practice in tanzanite gemology that enhances and stabilizes the blue color. The stone is offered loose, unset.