When looking at the general appearance of fancy ideal cut diamond, make sure that the stone is appealing to your eye and that it is bilaterally symmetrical.
When diamonds is cut too shallow, light leaks out of the bottom, brilliance is lost and the diamond stud earrings appears watery, glassy and lifeless.
Up to the fourth century, wholesale diamonds 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.