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The value of a diamond is determined by the 4
C's : Cut , Colour , Clarity & Carat . |
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Cut : This has considerable overall impact on the appearance of the stone. We use only Ideal or Fine Cut Diamonds . |
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Generally speaking unto H , diamonds are considered to be of good quality and good 'whiteness' |
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Generally speaking unto VS2, diamonds are considered to be of good quality and good clarity. |
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Carat
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| Established
in 1931, Gemological Institute of America GIA is considered to be the
world s largest and most respected nonprofit institute of gemological research and learning. The GIA conducts courses in gemology and runs trade laboratories, the World’s Most Trusted Name in Diamond Grading and Gemstone Identification. |
| The following terms and tables are recognized by the GIA : |
| COLOR - The
color of a gemstone is important because it is visible to the human eye. COLOR GRADING - Diamond coloring is graded by comparing it to a set of master stones that have been certified by the appropriate organization. CLARITY - This term refers to the number and size of inclusions present in a cut diamond. WESSELTON - Is a mine that only produced one color grade that was better than top grade. Wesselton can be applied to any very slightly tinted stone. |
| GIA Grades |
Traditional Terms |
Descriptive Terms |
General Terms |
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D |
Jager or River |
Rarest White |
White |
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E |
River |
Rarest White |
White |
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F |
Top Wesselton |
Rare White |
White |
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G |
Top Wesselton |
Rare White |
White |
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H |
Wesselton |
White |
White |
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I |
Top Crystal |
Slightly Tinted White |
Slightly Tinted White |
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J |
Crystal |
Slightly Tinted White |
Slightly Tinted White |
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K |
Top Cape |
Tinted White |
Tinted White |
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L |
Top Cape |
Tinted White |
Tinted White |
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M |
Cape |
Slightly Yellow |
Tinted Color |
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N |
Cape |
Slightly Yellow |
Tinted Color |
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O |
Light Yellow |
Yellowish |
Tinted Color |
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P |
Light Yellow |
Yellowish |
Tinted Color |
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Q |
Light Yellow |
Yellowish |
Tinted Color |
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R |
Light Yellow |
Yellowish |
Tinted Color |
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S-Z |
Yellow |
Yellow |
Tinted Color |
| CLARITY | |
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Flawless, Internally flawless Loupe Clean ( I F) |
Flawless: Cut diamond free from internal and external flaws. Absolutely free from internal flaws. |
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VVS 1 and 2 |
No Inclusions in the tables. Very small inclusions are allowed in the rest of the stone. Minimal external faults. Extremely difficult to see with a 10x lens. |
| VS1 & VS2 | Very small Inclusions. Difficult to see with a 10x lens. |
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SI 1 and 2 |
Small faults internally
or under the table not visible to the eye. |
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I 1, 2, and 3 |
1 - Inclusion easily
spotted with a loupe. Definite external faults. |
| Note
: This Disclaimer - Agreement is a Legal Binding Agreement between You and Aananta (India) & Vijay R Hingorani (hereinafter collectively referred to as
Aananta). Aananta expressively dis-claims any liability arising directly or indirectly or as a result of this presentation, and the contents , including text and pictures herewith , either exhibited, displayed, published , hosted or
publicized. |
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| Email vj@aananta.net | Cell 91- 98206 19206 | Tel 91- 22- 26492172 | Fax 91 - 22 - 26492172 |