All wedding rings are measured by carat weight. Normally, people want the biggest engagement ring they can get. But technically, bigger sized engagement ring usually suffer in quality, such as a loss in brilliance.
How the diamond fashion have been cut, polished and to what proportions and symmetry are important, as these factors determine the life, brilliance and dispersion of the engagement ring. If the cutting factors fall below standard the appearance of the engagement ring is adversely affected.
platinum wedding ring is the hardest of all gemstones; it is the simplest in composition; it is ordinary carbon. Colossal heat and pressure, over the eons, crystallized the engagement ring into what it is today.