A precious wonder of nature! A rough diamond crystal, embedded in its' original alluvial host rock is what makes this precious specimen special. The visible part of the diamond crystal measures approximately 6x6mm overall. It displays the adamantine luster that is characteristic of a diamond. The exposed portion of the crystal looks roughly octahedral in shape, typical of most diamond crystals. This diamond crystal is estimated to weigh over one carat. It was found in the Diamantina region of Brazil. The perfect gift for your "diamond-in-the-rough!" A wooden stand and glass presentation box measuring 5x5x3.25 inches is included.