AN UNMOUNTED MARQUISE-CUT FANCY COLORED DIAMOND

Details
AN UNMOUNTED MARQUISE-CUT FANCY COLORED DIAMOND
The fancy gray yellowish green diamond weighing approximately 1.17 cts.
With certificate 8771210 from the Gemological Institute of America stating that the colored diamond is fancy gray yellowish green, natural color and SI2, accompanied by a working diagram indicating that the stone may be improvable