Deliciously alluring Colored Diamond Rings

Subject: Deliciously alluring Colored Diamond Rings Thu Mar 31, 2011 7:15 pm

Deliciously alluring Colored Diamond Rings Colored diamond rings are quite new in the market as opposed to rings with white diamonds.Colored diamond engagement rings are a new craze that is taking couple by storm.
They are quite rare and 1 carat Flawless to VSI stones are quite pricey.However, they are the most beautiful diamonds with striking colors ranging from Canary yellow, green, blue, pink and red.
Imagine the fire of a well cut diamond but in Technicolor.....Simplybreathtaking!!
The pink color in pink diamonds is due to Manganese inclusions within the diamond. This is similar to what causes the color in red diamonds.
The blue color in blue diamonds is cause by trace amounts of Boron in the stones while Natural fancy Green diamonds are completely natural and caused by exposure to atomic radiation.
The intense Yellow color is caused by the presence of Nitrogen which can give yellow or orangish shades to a diamond.
There are two classes of colored diamond rings; Natural & Irradiated.
The natural ones are simply mined and cut like white diamonds.....because they are natural; they tend to be much more expensive than irradiated ones.
The Irradiated ones on the other hand go through quite a process.
Irradiated diamonds can be natural ones which have a tinge of color that is made richer e.g. a "cape" diamond that is turned in to a Canary yellow diamond or they can be synthetic ones.
The two most common irradiation methods are Neutron and Electron bombardment where high-energy particles physically alter the diamond's crystal structure, knocking carbon atoms out of place and producing color centers.
Neutron bombardment produces a greenish to black color which penetrates the whole stone......while electron bombardment produces a green, blue green to blue color that forms a 1 mm skin around the stone. All the above produce stones that make great colored diamond rings.
Annealing which is a heat treatment that causes changes in its properties such as strength and hardness is then carried out at 500-900°C for Neutron-bombarded stones and from 500-1200°C for Electron-bombarded stones.
This process produces orange, yellow, brown, or pink diamonds.
For many years, natural colored diamonds were the preserve of the super rich. They have long been used as a form of investment considering the price of the top quality stones.
However, thanks to the likes of the Argyle mines, there are more colored diamonds in the market and thus more colored diamond rings as well as colored diamond engagement rings.
So whether be it for diamond engagement rings or gold diamond rings, you have a choice of natural and irradiated diamonds to chose from......call it the best of both worlds!!

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