Cognac Diamonds

Cognac Diamonds

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Cognac Diamonds & the Argyle Diamond Mine
The Argyle Diamond Mine is the richest diamond deposit in the world. It is situated near Lake Argyle, a man-made dam at Smoke Creek in the remote north of Western Australia. The Argyle Diamond Mine produces more than a third of the world's total annual supply of pink, brown, and white diamonds. And over 50% of the worlds brown (cognac) diamonds, the remainder are found in Africa.

The Cost of Cognac Diamonds
Brown diamonds are usually less expensive than any other colors due to the fact that they are less appealing to the majority of consumers. For many years people have been used to the brilliance of clear, white diamonds and the price depends more on popularity and fashion rather than on rareness.

Cognac colored diamonds sell at 30% less than comparable white diamonds. The color descriptions of brown diamonds are now described and marketed as Champagne or Cognac colored to increase their overall appeal. And tastes in diamonds are changing - the existing and much lower selling price of cognac colored diamonds make a very good selling point.

Cognac Diamonds
What exactly are Cognac Diamonds? Cognac diamonds have a tint of brownish body color and the term Cognac is an alternative way of describing brown diamonds. A Diamond can occur in nearly any color, though yellow and brown are by far the most common. The Cognac diamond is a member of the Carbon family and is the hardest substance known. The word Diamond is derived from the Greek word "adamas" which means "hardest metal" reflecting the property of the stone.

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Definition of Diamond Color
What is the Definition of a Cognac Diamond? Colored diamonds contain impurities or structural defects that cause the coloration. The most common impurity, nitrogen, causes a slight to intense yellow coloration depending upon the type and concentration of nitrogen present. Brown or Cognac “amber” diamond crystals show some deformation called “brown graining”. They also contain nitrogen.

The Color Scale or Grade for Brown Diamonds
Argyle Diamonds created the following scale for brown diamonds to separate them into their progressively darker tone ranges which are described as follows:

Very light brown (champagne) Medium brown (champagne) Brown (dark champagne) Dark brown (fancy cognac)

Cognac Diamonds in Jewelry
Cognac diamond in jewelry are becoming increasingly popular especially for dress rings and as solitaires. Cognac diamond earrings, bracelets, necklaces and of course engagement rings and eternity rings are the most popular types of jewelry.

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