Diamond Education

Diamond Cut

Cut is the most important factor in a diamond's beauty. It determines how well the diamond interacts with light, creating the brilliance, fire, and scintillation that make diamonds sparkle.

CUT QUALITY

Select a cut grade to learn more

PROPORTIONS

The depth and angles of the cut

IDEAL

LIGHT RETURN (BRILLIANCE)

How light reflects and exits

OPTIMAL

Diamond Color

Color grades measure the absence of color in a diamond. The scale runs from D (colorless) to Z (light yellow/brown). Less color means higher value and better light transmission.

COLOR

The colour of the diamond based on chemical impurities

COLOURLESS

D-E-F

NEAR COLOURLESS

G-H-I

FAINT YELLOW

J-K-L-M

Diamond Clarity

Clarity measures the absence of inclusions and blemishes. The GIA scale ranges from Flawless (FL) to Included (I). Most inclusions are invisible to the naked eye.

CLARITY

The quality of the diamond based on inclusions and blemishes

FLAWLESS

FL

INTERNALLY FLAWLESS

IF

VERY VERY SLIGHTLY INCLUDED

VVS1 VVS2

VERY SLIGHTLY INCLUDED

VS1 VS2

SLIGHTLY INCLUDED

SI1 SI2

INCLUDED

I1 I2 I3

Carat Weight

Carat is the unit of weight for diamonds. One carat equals 200 milligrams. Larger diamonds are rarer and more valuable, but cut quality affects perceived size.

Size Comparison (Actual Relative Scale)

Additional Specifications

Beyond the 4Cs, these specifications provide additional insight into a diamond's quality and can affect both appearance and value.