Factors in choosing titanium ring are broken down into four groups, know as the Four Cs. They determine the quality and worth of fancy diamonds.
Usually the antique engagement ring rough will be cut into whichever shape that requires the least amount of sacrifice. Marquise and oval shapes should have a length thats exactly twice the size of the width. If they are too narrow or too wide, the stone will loose light and appear too dark.
One of the two principal wedding ring trade routes passed through Venice. It enjoyed a monopoly of the fancy diamonds trade on its way to the main towns of southern Germany up to its final destination in Bruges.