All Information About Jewellery

The quality of the diamond is determined by its 4 C’s namely the Color, Clarity, Cut and Cartage. In a nutshell these parameters are explained below:-


Ideally the more colorless a diamond is, more is its value ,for colorless diamonds are quite rare. The D color is the color assigned to the diamond that is free from any taint. And as the taint of color increases the grade of the color goes down through E,F,G,H,I, J and so on. For a lay person the rule of thumb is -

Exceptionally white diamonds: The D-E-F colors

White Diamonds: G Color

Less White Diamonds: H color

Off White Diamonds: I color

Faintly Tainted Diamonds: J color

Evidently Tainted Diamonds: K color and below

These terms are not the trade semantics but have been loosely used to explain to the unaware customers the importance of color grade in the value of diamond. While D-E-F-G etc. grades are the objective grades evolved by GIA (The Gemological Institute Of America) to refer to a standard color and assigned by all the Other Gem Laboratories, the terminology used here is to make it easier for a non-expert to map these grades with the real-life significance of the grades.


The diamonds by nature contain impurities like black spots, Fractures, Clouds, milky patches, grains, etc. and these diminish the quality and the value of the diamonds. The Internally Flawless is the grade assigned to the diamond that is free from any internal impurity and the grades assigned based on the size, position and type of impurity that consequently mars the beauty of the diamond to an expert’s eye are VVS1, VVS2, VS1,VS2, SI1,SI2, SI3, I1,I2 and I3. These, are again near objective grades evolved by GIA and followed by other Gem laboratories to refer to the clarity of the diamond.

However we use the terminology below from a layperson perspective:

Ideally Clean:- IF

Clean:- VVS1 and VVS2

Nearly Clean:- VVS1 and VVS2

Visibly Impure:- SI1, SI2 and SI3

Totally Impure: I1, I2 and I3

Again, these terms used, are no substitute for the exact terminology but are loosely used to map the real-life experience of a lay person who is not equipped with the grading skills.


This is a manmade parameter that effects the luster of the diamonds and consequently the price. The cut is graded from the IDEAL cut, to Poor. The cut of the diamond is appraised on the three parameters of Proportion, Symmetry and Polish and carry grades from Excellent to Poor on each of these parameters.

Better cut diamonds will have better fire and consequently yield higher price.

This is the most ignored parameter while buying jewelry but effects the beauty of the diamond jewelry nonetheless.


Caratage refers to the carat weight of the diamond or in other words the size of the diamond used. In ordinary parlance, if two diamonds have the same color, clarity and cut , the one which is bigger will have higher value that varies exponentially as the size increases.

Thus 1 diamond weighing One carat may be 5 times or more the combined value of 10 diamonds weighing one carat and having the same Color, Clarity and Cut.

Most of the technical material relating to diamonds is available online and it is in the interest of the customer to be educated before buying diamonds. However, we have tried to explain in lay terms and easy language some esoteric trade terminology concerning the diamonds and which the customer is likely to encounter while using this website.