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An all-inclusive guide to help you comprehend the famous 4 Cs, the most important characteristics of a diamond-carat, color, clarity, cut, and more…to ensure the maximum quality and value to your selection.


The cut of a diamond determinesthe symmetry of the diamond’s facets, its overall proportions, and its capacity to reflect light and thereby, its brilliance. The better the cut, the more sparkle the diamond will have.

The proportions, precision of the cut and details of finish determine how brilliant, dispersive and scintillating the diamond will be.



A diamond's color grade refers to the lack of color or the degree to whi a diamond is colorless.

Diamonds that are white, containing little or no color, receive higher quality grades than those with visible color

D - Absolutely colorless or "icy white" - the highest color, extremely rare and most expensive.

E - Colorless. Rare.Minute traces of color can be detected by a professional gemologist.

F - Colorless. Rare.Slight color can be detected by aprofessional  gemologist.

G-H –Near-colorless.Excellent value.Color may be seen when compared to diamonds of higher grades.

I-J - Near-colorless. Good value diamond.Slight color detectable when compared to diamonds of better grades.

K-Z - Slight or obvious color.

Diamondelight.comuses a wide range of shades to offer an expansive variety to our customers.



Clarity is the extent of tiny imperfections in diamonds. Almost all diamonds have tiny imperfections. Diamonds with few or no imperfections are considered as the highest clarity grades diamonds.

There are two types of clarity characteristics: inclusions and blemishes. 

Inclusions are seen within a diamond, while blemishes are seen externally.

Clarity Indications:marked in red for inclusions, and green for blemishes.


I.F. : Internally Flawless                                                                                VVS1 - VVS2 : Very Very Slightly Included
Free of inclusions                                                                                                                             Minute inclusions. (Difficult to locate under 10x magnification)


VS1 - VS2 : Very Slightly Included                                                                  SI1 - SI2 : Slightly Included
Minute inclusions (fairly easy to see under 10x magnification.)                                                Noticeable inclusions (easy to see under 10x magnification.)


I1 - I2 - I3 : Included
Obvious Inclusions -  easily seen face-up with naked eye.



Carat isa measure of a diamond's weight, but is often confused with the size of the diamond

Diamond Education

One carat weighs 1/5 of a gram and is divided into 100 points. Therefore, a diamond weighing 1.07carat is referred to as "one carat and seven points and,

0.75 carat is 75 points.
1/2 carat is 50 points.
1/4 carat is 25 points.

Total carat weight (t.c.w.) represents the total weight of all diamonds in jewelry. Diamond solitaire earrings, for example, are quoted in t.c.w. This indicates the combined weight of the diamonds in both earrings.

The price of the diamond rises exponentially with the carat weight. A 2-carat diamond of a certain quality is always worth more than two 1-carat diamonds of the same quality.



As the name suggests, shape describes the form of a diamond, as seen from above.

All diamond shapes have different attributes, but largely the beauty of aspecific shape is a matter of an individual’sperception and taste.

9 Famous Diamond Shapes





The round cut diamond is the most popular diamond shape. It represents almost 75% of all diamonds sold. It is superior as compared to the other shapes,due to its ability to enablethe proper reflection of light, maximizing its brightness.



The princess cut diamond is the most popular fancy diamond shape, especially for engagement rings. Princess cut diamonds are also a good choice for almost any style of ring.



The cushion cut diamond combines a square cut with rounded corners. This is visually similar to a pillow (hence the name).



The marquise cut diamond is a long and narrow shaped, modified brilliant-cut diamond which also creates the illusion of greater size. It has one of the largest surface areas of any diamond shape, making it a good choice when trying to maximize the size visually.



A distinctive symbol of love, the brilliant-cut heart shaped diamond is popular in solitaire pendants as well as rings



The pear shaped diamond is a combination of a round and a marquise shape, with a tapered point on one end



The oval diamond is a modified brilliant-cut and has a fire and brilliance similar to that of round diamonds. The elongated shape of the diamond creates the illusion of greater size



The emerald cut diamond has step cuts in itspavilion and a large, open table. Emerald cut diamonds produces a hall-of-mirrors effect, with its light and dark planes



The radiant or asscher cut diamond is square shaped with larger step facets, a higher crown, and a smaller table. It is similar to the emerald cut diamond, but the uniqueness of its cut often produces more brilliance than the emerald cut. The asscher cut diamond was introduced by the Asscher Brothers of Holland and hence the name.



The diamond certificate (also called a grading or quality report) is prepared by a certified gemologist who scrutinizes the diamond in a controlled environment confirming its dimensions, clarity, cut, color, finish, symmetry and other characteristics. This certificate is a confirmation of the value of your diamond.

The most highly valued diamonds in the industry comes with a diamond certificate report from the Gemological Institute of America (GIA), the Diamond High Council (HRD) or the InternationalGemological Institute (IGI). A certificate from HRD or IGI guarantees forever the quality of your Diamond.




  • Keep your jewelry clean - a clean diamond will always retain its sparkle and brightness.
  • Soak and wash your diamond jewelry in warm sudsy waterusing a mild liquid detergent and dry with a soft, lint-free cloth.
  • Use branded liquid jewelry cleaners carefully.Read the label and follow the instructions. (Jewelry cleaners are now available in a foam dispenser.)
  • Ethyl alcohol and ammonia are also good for cleaning diamonds as they avoid the challenges  of water spots.
  • Diamond can be cleaned professionally with steamers and ultrasonic cleaners. These machines are specific to different types of jewelry.


  • Donot touch your diamonds with your fingers as that makes the diamond look oily and dull.
  • While cleaning, avoid brushes with hard bristles as it can scratch the gold jewelry
  • Avoid contact with dishwater, powders, hair spray, soap or any greasy substance including hand or body lotions and natural skin oils
  • Avoid contact with chlorine bleach especially in swimming pools.