Rare 17.08ct sea green unheated Grandidierite

The color of this gem is simply stunning and very unique. It presents a sea green hue with a slight blue undertone held under a glistening high polished luster. This scarce gemtype is known by collectors and connoisseurs as one of the rarest in the world, and is highly sought after. It measures an impressive 18.1mm x 15.6mm x 8mm, and has a semi-translucent body. Sourced from Madagascar. Untreated.