Diamond information

DIAMONDS consists of carbon atoms.
Diamonds is generally recognized as the hardest substance known to man.

Diamonds is generally recognized as the hardest substance known to man.
A diamond's crystal structure gives it not only its hardness but also its enormous compressive strength. It will stand a force of 1.25 million tons per square inch, which is more than three times the weight of the Empire State Building.
As a gemstone, it is resistant to scratching and abrasion, which ensures that a finished gem will retain its brilliance and polish.

Carat is the measure of the weight of a diamond, abbreviated as ‘CT'. There are one hundred points to a Carat. E.g. A ‘25 Point diamond' is equal to ¼ CT or 0.25ct

Fine Diamonds are usually judged by how colorless they are. The less color the higher color grade and hence the value, with the exception of Fancy Colored diamonds which are prized for their strong color.
Most natural diamonds contain small quantities of nitrogen atoms evenly dispersed throughout the stone, absorbing some of the blue spectrum, thereby making the diamond appear yellow. The higher the amount of nitrogen atoms, the yellower the stone will appear.

D-F -Colorless
The highest classification of color grade D-E-F, where D is the highest color grade being absolutely colorless and F having a very slight hint of color, difficult for the untrained eye to discern.

G-J – Near colorless
The second highest classification of color grade G-H-I-J, where G is the highest color grade in this group and J having a slightly noticeable hint of color visible to the trained eye. Most people being unable to notice.

K-M - Faint yellow
The third highest classification of color grade K-L-M having a noticeable hint of yellow or brown color. K is the highest color grade in this group and M the lowest

The fourth classification of color grade N-O-P-Q-R having a quite noticeable yellow or brown color. N is the highest color grade in this group and R the lowest.

The effect of Fluorescence is noticeable in some diamonds when exposing a diamond to a ultra-violet light, usually projecting a blue glow; the stronger the fluorescence the stronger the glow.

Diamond cutting requires great skill and training. The cutter must polish tiny surfaces known as facets onto the rough diamond. This process is what creates the facets known as the crown, culet, table, girdle and pavilion of the diamond.
A well-cut diamond will internally reflect light from one mirror-like facet to another and disperse and reflect it through the top of the gem. The facets, when arranged in precise proportions, will maximize the fire life and brilliance of a diamond.
A well-cut diamond will be higher in quality and value than deep or shallow-cut diamonds.

Clarity along with Color and Carat, maybe the most common factor that people look out for, when assessing the value of a diamond. The definition of clarity grade will differ amongst international laboratories and will be reflected in the price of the diamond. Due to the differing standards in diamond grading , a diamond with a clarity grade given by one laboratory, maybe 15% more expensive in comparison to another laboratory that's less strict in grading.

Kimberley Process
The Kimberley Process Certification Scheme (KPCS) imposes extensive requirements on its members to enable them to certify shipments of rough diamonds as ‘conflict-free' and prevent conflict diamonds from entering the legitimate trade.
The Kimberley Process is chaired, on a rotating basis, by participating countries. So far, South Africa, Canada, Russia, Botswana, the European Community have chaired the Kimberley Process, and India is the Chair in 2008.

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