Massive! 8.93ct rare collectors black and green Grandidierite!

Don't miss this rare example of an extremely rare gem type! It presents a rich blue green hue with the natural addition of a dramatic black crystal formation running through to its center. It has a classic cushion cut and measures a whopping 14.5mm x 10.5mm x 8.1mm! This scarce gemtype is known by collectors and connoisseurs as one of the rarest in the world, and is highly sought after.Sourced from Madagascar. Untreated!!!