The international unit of weight, used for measuring diamonds 1 carat is equal to 200 milligrams, or 0.2 grams.
CHOOSE A DIAMOND CUT:
Good cut: Quality at a lower price than a very good cut, still producing a beautiful diamond for the budget-minded.
Very Good cut: Very slightly less measurable fire or sparkle than an ideal cut diamond, at a more affordable price.
Excellent cut: Highest cut grade. Its proportions produce a beautiful balance of fire and sparkle in a diamond.
Pure Hearts cut: Top 1% of diamond quality - with precise proportions, polish and symmetry = allowing the diamond to reflect even more light than the standard Ideal cut.
CHOOSE A COLOUR GRADE:
There is a hint of yellow tint that can be observed with the naked eye without any comparison.
Near Colourless: The yellow tints are insignificant. Color may be detectable when compared to much higher "colourless" grades.
Colourless: None or minute traces of color, but can only be detected by expert gemologist. usually set with platinum or white gold settings.