Diamond Information

The Quality and Value of a Diamond is determined by the 4 CS.
Diamonds with the highest 4C ratios are the rarest and therefore the most valuable.

The Four C's of Diamonds are:

CutColourClarityCarat Weight


Diamond Cut

The Cut Grade measures how the individual proportions combine to effect the beauty of a diamond. Diamonds with a high cut grade will have a high degree of brightness, fire Irainbow colours,) and scintillation (sparkle). High cut grades include "Excellenr and 'Very Good", midrange includes "Good", and the low end includes "Fair" and "Poor".


Excellent + / Very Good

These diamonds will have a high degree of brilliance. fire, and scintillation.
(Quasar Diamond Range)

Good

Good Cut Diamond

This grade will generally be a bit darker or lacking scintillastion.

Fair

Fair Cut Diamond

Diamonds in this category lack brightness, fire and scintillation.

Poor

Poor Cut Diamond

Diamonds in this category show very little brightness, fire and scintillation.


Back to topDiamond Colour

Quasar diamonds are graded using the GIA and HRD colour grading scale (D-Z). Most diamonds are colourless to slightly yellow. The highest grade is "D" or colourless (exceptional white +).

Diamond Colours


Back to topDiamond Clarity

All diamonds contain imperfections. The very best, and rarest, clarity is Internally Flawless (IF).
Because many inclusions are not visible to the naked eye, diamonds are graded under lOx magnification.

Diamond Clarity


Back to topDiamond Carat Weight

Diamond weight is measured in carats and points. There are 100 points in a carat.
One carat = 0.2grams and one point = 2 milligrams.

Carat Weights