Diamonds Four C's:

The Four C's of a Diamond: 

Diamonds Four C's

1) Carat  

2) Cut  

3) Clarity 

4) Color 

1) Carat: The carat is a unit of weight which consists of 100 "points" and equal to 1/5 gram, or 200 milligrams.

 

Carat

Size mm

 

Carat

Size mm

0.01

1.35

 

0.30

4.40

0.02

1.70

 

0.40

4.70

0.03

2.00

 

0.50

5.00

0.05

2.40

 

0.75

5.80

0.10

3.00

 

1.00

6.50

0.15

3.40

 

2.00

8.20

0.20

3.80

 

3.00

9.50

0.25

4.10

 

4.00

10.50

2) Cut: There are different types of cut applied on rough Diamonds.

 

Cut

 

 

Cut

 

Round Brilliant

 

 

Emerald

 

Marquise

 

 

Pear-shaped

 

Oval

 

 

Rectangle

 

Heart

 

 

Square

 

Princess

 

 

Trillion

 

Baguette

 

 

Radiant

 

3) Clarity : The Clarity of diamonds by G.I.S. are F, IF, VVS1, VVS2, VS1, VS2, S1, S2, S3, I1, I2, I3. F, Flawless being the most expensive.


Clarity Grades

 

 

 

Clarity Grades

Clarity Grades

 

F

Flawless

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\FL.JPG

 

S1

Small Inclusions

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\SI.JPG

IF

Flawless – Minor Surface Blemishes

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\FL.JPG

 

S2

Small Inclusions

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\SI.JPG

VVS1

Very, Very Small Inclusions

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\VVS12.JPG

 

S3

Small Inclusions

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\SI.JPG

VVS2

Very, Very Small Inclusions

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\VVS12.JPG

 

I1

Inclusions - Eye Visible - Imperfect

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\I.JPG

VS1

Very Small Inclusions

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\VS12.JPG

 

I2

Inclusions - Eye Visible - Imperfect

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\I.JPG

VS2

Very Small Inclusions

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\VS12.JPG

 

I3

Inclusions - Eye Visible - Imperfect

Description: C:\Mohsen\Garo Demana Realty & Investment Co\GRICO\Web Site\Educational materials\Diamond 4C\I.JPG

 4) Color: The Colorless Diamonds are graded by G.I.S. to D, E, F, G, H, I, J. From grade K to V are faint yellow to yellow color.

 

Color Grades

 

 

Color Grades

 

D

Blue White

 

L

Silver Cape

E

Ice White

 

M

Light Cape

F

Fine White

 

N

Light Cape

G

White

 

O

Cape

H

Top Commercial White

 

P

Cape

I

Commercial White

 

Q

Dark Cape

J

Top Silver

 

S-Z

Dark Cape

K

Top Silver

 

 

 

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