Huge 50.55ct top gem grade diamond white Quartz

Look at this amazing piece. Cut from pure AAA quartz, it exhibits a flawless diamond white hue that shines through its eye clarity. It was precision faceted resulting in crisp and vibrant flashing, and displays an inticate emerald checkerboard cut. Measuring 23.9mm x 20.2mm x 14.6mm, it has incredible size and a Mohs hardness rating of 7 out of 10. Source from Brazil. Untreated.