Lot 948
Carbonado - A Black Diamond From Space. Carbonados, dark and uncrystalized diamonds were created by an exploding large star (supernova) before the formation of our solar system and delivered to Earth by an asteroid over two billion years ago. These rare diamonds are only found on the east coast of Brazil and the west coast of the Central African Republic. Because of the lack of crystal structure there are no shear planes in which to facet these fascinating black diamonds. (the color can vary from black to dark grey and dark green depending on their trace elements). The proof of an extraterrestrial origin is the presence of nitrogen and hydrogen in their matrix indicating an origin in a hydrogen-rich interstellar space region and are never found in any diamond mines anywhere in the world which is consistent with their origin from a single asteroid impact over two billion years ago. Most Carbonado black diamonds recovered have been small weighing 3 carats or less. This large 22 x 15 mm, 24.38 carat lustrous charcoal grey stone is certainly the exception and is completely original with a microscopic pebbly appearance of the individual diamond crystals being compressed together within the star during formation and is older than 4.56 billion years. $1,400 - 1,800
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| Realized $875 |
