After the wedding ring have been found they goes through many processes before they becomes the finished product we are familiar with.
One of the two principal anniversary rings trade routes passed through Venice. It enjoyed a monopoly of the ideal cut diamonds trade on its way to the main towns of southern Germany up to its final destination in Bruges.
Dont be fooled into buying princess cut diamond that is said to be .25 points. It is NOT a quarter of a carat, and will be so small that it should only be used as accent to other stone or the gold itself.