Museum sized! Very rare 17,135ct Ruby in black Spinel!

This is a superb example of this very rare gem combination. It exhibits a silky spinel matrix with multiple blacks flowing together with ample amounts pure ruby, and a well polished luster that glistens across its large surface. Now let's talk about the size. Weighing approximately 7.5 pounds and measuring 7 1/2 inches x 5 3/8 inches x 2 1/4 inches, this piece has commanding size, and comes ready to display with its own stand. This is an untreated example sourced from Madagascar.