Guide To Diamonds
4C’s

Quality Assurance and Certification

Every diamond from MOD is certified by a leading independent diamond grading laboratory. The certificates issued are identical to mined diamond certificates with grading of the 4Cs: Cut, Colour, Clarity and Carat.

Guide To Diamonds
4C’s

Quality Assurance and Certification

Diamond Cut (Shapes)

A diamond cut refers to how well a diamond’s facets interact with light to give it fire, sparkle and brilliance. A diamond’s cut grade is also a crucial quality to determine the diamond’s value.

Round

Oval

Cushion

Pear

Princess

Marquise

Emerald

Radiant

Heart

Diamond Clarity

Diamonds generally contain a myriad of internal characteristics called ‘inclusions’ and external characteristics called ‘blemishes’. Diamond clarity refers to the absence of these inclusions and blemishes. In determining a diamond’s clarity grade, a Clarity Scale is used to consider the size, nature, position, colour or relief, and quantity of clarity characteristics visible under 10× magnification. The Clarity Scale includes these grades: I.F., VVS1, VVS2, VS1, VS2, SI1, SI2, I1, I2 and I3.

IF
Internally Flawless

VVS-1VVS-2
Very Very Slightly Included

VS-1VS-2
Very Slightly Included

SI-1SI-2
Slightly Included

I-1I-2I-3
Imperfect

Diamond Colours

For diamonds, the absence of colour is a quality itself. The less colour that appears on a diamond, the higher their value. The Colour Grading Scale starts with the letter D, representing a colourless quality, and continues to the letter Z based on the increasing presence of colour (which appears as light yellow or brown).

D - F
Colourless

G - J
Near Colourless

K - M
Slightly Tinted

N - R
Very Light Yellow

S - Z
Light Yellow or Brown

Diamond Carat

Diamonds are measured using carat which determines its weight and size. However, a diamond’s value does not depend on just its carat weight as it includes all of the 4Cs as well. Hence, two diamonds of equal carat weight will have very different values depending on three other factors of the diamond’s 4Cs: Colour, Clarity, and Cut, which also influence its price range.