The round wholesale diamonds - cut is also popular so much so that it is often wrongly named as beeing brilliant cut.
Up to the fourth century, engagement rings was known only in it rough, or crystalline forms. It 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.
wedding ring are all the rage now with the popularity of the yellow gold engagement ring tarnishing somewhat.