And a diamond with an excellent cut has to have excellent or at least very good symmetry as well.
Excellent cut diamond.
The main factors impacting diamond cut quality are.
The shine and glow of the diamond surface.
Excellent diamond cut characteristics diamonds with an excellent cut grade have proportions and symmetry that allow showing maximum brilliance fire and sparkle.
That said i would advise you to go for a very good symmetry grade.
When choosing a diamond in this range make sure its symmetry and polish are very good or excellent so that the impact of the above average cut is not obscured.
A perfect cut diamond is proportioned in such a way that nearly all the light that enters the diamond gets returned to the viewer s eye.
For superior brilliance choose a diamond with a cut grade of very good or excellent for round diamonds and good or better in fancy shape diamonds.
Super ideal cut diamonds have cuts with an extremely high degree of precision and angles that give them superior performance.
It also means that the diamond will sell at a premium.
The golden rule is to choose excellent ideal cut diamonds to achieve superb sparkle.
Precision of the facets mirrors windows and steps polish.
A seemingly minute change in the pavilion or crown angle can make a big difference to the sparkle fire and scintillation of a diamond.
The ratios and sizes of the diamond s depth width and table symmetry.
When viewed from the top the light passing through such stones creates a beautiful and clear pattern of bright and dark spots.