How the platinum wedding ring has been cut, polished and to what proportions and symmetry are important, as these factors determine the life, brilliance and dispersion of the diamond studs. If the cutting factors fall below standard the appearance of the diamond studs is adversely affected.
The Tiffany Style Diamond, now more attractive, is also now worth more. At present, we have the ability to produce man-made diamond studs of fine quality.
Extremely subtle color differences can be very important to determine rarity of engagement ring, but are never a critical factor in beauty.