Scribd
Upload
164 views2 pages

Guide Des 4C

The document presents a diamond grading chart that outlines the criteria for assessing diamonds based on shape, color, clarity, cut, and carat weight. It emphasizes the GIA's 4Cs as the universal standard for describing diamond quality. The chart includes various classifications for each grading category to assist in evaluating diamonds.

Uploaded by

Mohit kapoor
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
164 views2 pages

Guide Des 4C

The document presents a diamond grading chart that outlines the criteria for assessing diamonds based on shape, color, clarity, cut, and carat weight. It emphasizes the GIA's 4Cs as the universal standard for describing diamond quality. The chart includes various classifications for each grading category to assist in evaluating diamonds.

Uploaded by

Mohit kapoor
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 2

Courtesy of

EM O L O G
LG
R NA T I ONA

IC
AL I S TIT U
N
TE

TE
IN
1975

DIAMOND GRADING CHART

SHAPE

Round Emerald Marquise Heart Pear Cushion Radiant Oval Princess

COLOR

D-F G-J K-M N-R S-Z


Colorless Near Colorless Slightly Tinted Very Light Light

CLARITY

I.F. VVS 1 VVS 2 VS 1 VS 2 SI 1 SI 2 I1 I2 I3

Internally Very Very Very Slightly Slightly


Included
Flawless Slightly Included Included Included

CUT
Girdle Diameter Light Return Hearts & Arrows
Crown Table Width
Angle
Crown
Height
Total Depth

Girdle

Pavilion
Angle Pavilion
Depth “ Ideal ”
Culet Too Shallow Too Deep Excellent to Good Excellent to Very Good

CARAT

THE GLOBAL AUTHORITY IN DIAMOND, GEMSTONE AND JEWELRY GRADING www.igi.org


GIA GIA G I A GGIIAA GIA G I A G IGAI A GIA GIA GIA
C O L O R C O L O R C O L O R CCOL LAORRI T Y C L A R I TCYL A R ICTUCYLT A R I T CY U T C U T CCAURT AT C A R AT C A R AT C A R AT
S C A L E S C A L E S C A L E SSCCAALLEE S C A L E S C A L ES CS AC AL EL E S C A L E S C A L E WS CE AI GLHE T W E I G H TW E I G H TW E I G H T

0.50 ct. 0.50 ct. 0.50 ct.


0.25 ct.
0.50 ct.

1.0 ct. 1.0 ct. 1.0 ct. 0.50


1.0 ct.ct.

2.0 ct. 2.0 ct. 2.0 ct. 1.02.0ct.


ct.

3.0 ct. 3.0 ct. 3.0 ct.


2.03.0ct.
ct.

5.0 ct. 5.0 ct. 5.0 ct. 5.05.0 ct.


ct.

GIA created the 4Cs, establishing the universal method


for describing the quality of any diamond, anywhere in the world. www.gia.edu

THE UNIVERSAL STANDARD BY WHICH GEMS ARE JUDGED.


All diamond images and diagrams are for reference only and may not reflect true diamond quality grades or weight.

You might also like