One of the two principal fancy diamonds trade routes passed through Venice. It enjoyed a monopoly of the engagement rings trade on its way to the main towns of southern Germany up to its final destination in Bruges.
Up to the fourth century, butterfly ring 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.
While nature determines diamond studs, carat weight and color, the hand of a master craftsman is necessary to release their fire, sparkle and beauty.