The ideal cut place in cultural history is explored through its presence in legend and mythology, as well as its role in art and adornment.
Up to the fourth century, diamond jewelry were known only in their rough, or crystalline forms. They came in a variety of shapes, the most common being the octahedron. This was a crystal with eight faces, resembling two pyramids joined at their bases.
diamond stud associated with harzburgites are about 3.3 billion years old -- more than two thirds the age of Earth itself.