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How to Evaluate a Diamond

 

If you are planning on purchasing a diamond, it is important that you know as much as possible about how diamonds are classified as the cost of a diamond is determined by the 4 C’s which are the top most criteria one needs to become familiar with - Cut, Color, Clarity and Carat Weight. Please refer to the following:

CUT

The cut of a diamond allows it to make the best use of light. When a diamond is cut correctly, light is reflected from one facet to another, then dispersed through the top of the stone. If the cut of the diamond is too deep, some light escapes through the opposite side of the pavilion. If the cut is too shallow, light escapes through the pavilion before it can be reflected.


Please do not confuse the cut of a diamond with its shape. Diamonds can be cut into a number of shapes, depending on the qualities of the rough stone before it is cut.

The most popular diamond shapes are round, marquise, pear, emerald, oval and heart.

Whatever the shape, a well-cut diamond is the work of a master diamond cutter. When the cut is right the diamond gives more sparkle.

 

COLOR

Diamonds range in color from faint yellow or brown to very rare pinks, blues, greens, and other colors known as "fancies."

The best color for a diamond is no color at all. A totally colorless diamond allows light to pass through it easily, resulting in the light being dispersed as the color of the rainbow.

Colors are graded from totally colorless to light yellow. The diferences from one grade to the other are very subtle and it takes a trained eye and years of experience to color grade a diamond.

Click on picture to enlarge

 

CLARITY


A diamond's clarity is determined by using a 10-power magnifying glass and a trained eye.

Most diamonds contain very tiny impurities know as "inclusions." An inclusion can interfere with the light passing through the diamond.

The fewer the inclusion, the more beautiful the diamond will be.

Diamonds have the capability of producing more brilliance than any other gemstone. A diamond that is free of inclusions and surface blemishes is very rare and therefore very valuable.

 

 

CARAT-WEIGHT


This is the weight of a diamond measured in carats.

One carat is divided into 100 "points," so that a diamond of 75 points weights .75 ct.

The carat-weight of a diamond is the easiest measurement to determine.

Most importantly, two diamonds can be of equal carat-weight, but their value can differ greatly due to their cut, color, and clarity.

Don't rush into your diamond purchase. Take your time and evaluate your choice carefully. It took thousands of years for nature to form your diamond and the skill of a master diamond cutter to bring your diamond to you. The time you spend now can bring you a lifetime of pleasure.

Gendiat is a member of :
Diamond Dealers Club - New York
Diamantclub van Antwerpen
Beurs voor Diamanthandel

 

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