Information on 4C's for Diamonds

Cut: Round, Square (Princess Cut), Radiant (Square/Rectangle), Marquise, Oval, Cushion, Ascher, Heart, Trillion

Diamonds that are graded as "premium" are cut to maintain a high standard of brilliance while allowing for a larger finished diamond for the price. Premium cuts strike a good balance between size and price.

Color: D thru F (Colorless), G thru J (Near Colorless), K thru M (Faint Color), N thru R (Light Color), S thru Z (Obvious Color), FC (Fancy)

A diamond's color is graded on a scale of D-Z, with D representing a colorless diamond, and Z a heavily tinted diamond. The closer a diamond is to  colorless, the more rare and valuable it is.

Clarity: F (Flawless), IF (Internally Flawless), VVS1 thru VVS2 (Very Very Slightly Included), VS1 thru VS2 (very slightly Included), I1 thru I3 (Included)

The diamond contains some inclusions such as small crystals, clouds or feathers when observed with effort under 10X magnification.

Carat: Weight of Diamond.

A diamond's weight is measured in carats. Generally speaking, the greater the carat weight, the larger the diamond appears. It's important to remember that carat weight is not the only factor that determines a diamond's value - and bigger does not necessarily mean better.