4 Cs of a diamond are Color, Clarity, Cut, and Carat.
Color is the first
thing that you should take into consideration. Diamonds come
in multiple colors, the clearer and more colorless a diamond
the higher the receiving grade on the GIA scale. What you want
is a near colorless diamond. The less color the better as can
be seen in the scale below:
second factor you should look at is the Diamonds 'cut'.
Basically the better the cut the better the diamond. A poorly
cut diamond will lack radiance even if the clarity and color
A colorless diamond
with a clear cut is very important for the 'clarity' of the
diamond. Each diamond has flaws, flaws can include
minerals left behind in the diamond, obviously the less flaws,
scratches, or minerals left the higher the clarity of the
The last factor to
be looked at is the 'carat' weight. You can buy a huge carat
but if the color, cut, and clarity are not taken into
consideration, then the diamond will be considered flawed.
Carat should be taken into consideration with the other
factors to make the best overall purchase. Carat also does not
mean the size is bigger, simply that the diamond weights more.