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Know About Coloured Diamonds

Blain Gowing
 


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Coloured diamonds is a very important issue for those wanting to purchase one as they can be prohibitively expensive and many, what we call ‘treated’ or colour enhanced diamonds are sold as ‘natural’ ones on the market by jewellers being supplied by unscrupulous wholesalers and independent dealers.

A natural ‘coloured’ diamond should always be purchased from a reputable source accompanied by a reputable international diamond grading report.

What is, therefore a ‘coloured diamond’.

Well as diamonds go from white, non coloured, to dark yellow, heavily tinted yellow, coloured diamonds are everything else which means diamonds of the BROWN family, the BOTTLE GREEN family which are the cheapest to the most expensive RED, ROSE to BLUE families which are the most expensive.

Intermediate colours are CHAMPAGNE through to YELLOW/BROWN to light brown, light greens etc.

We then come to the issue of INTENSITY of colour which is of utmost importance as far as value and rarity are concerned. There are a variety of intensities and each will command different values on the market.

You can see, from what I am saying, that this part of the market is a real minefield, even for the most experienced merchants and should be taken very seriously if purchase of such a diamond is envisaged as prices can well go over the million USD mark per carat for the rarest and most sought after diamonds.

Intense yellow is also found with diamonds ranging from a light canary colour to an intense yellow variety and prices of these, as all ‘intensely’ coloured diamonds, can be enormous as compared to ‘white’ diamonds even to the best of white diamonds the ‘D’ colour.

Coloured diamonds, therefore, is a speciality on its own and these exist in enhanced form as well which means that they have been artificially ‘treated’.

This ‘treatment’ is basically that the diamonds have been placed in a nuclear reactor and ‘bombarded’ with neutrons which alters the structure of the diamond crystal and changes and intensifies the colours. These types of diamonds are radio active in some small intensity and the customer, by law, must be warned.

There exists two such reactors one in Mol in Belgium, the other near Los Angeles in California. The bombarding of diamonds is inexpensive as the scientists do not take much to do the job as they are happy to receive diamonds for testing purposes mainly for industrial usage.

We at the Jewellery Web Shop are well equipped to supply a coloured diamond of your choice and within your budget whether in natural or in ‘treated’ form.

George Zaidmann writing for Jewellery Web Shop, the leading jewellery website that sells diamonds. I have been in the trade since 1963. I am a diamond cutter, a diamond sawer, diamond cleaver and a certified Gemmologist. I have many years of service in assorting and appraising both rough and polished diamond. As a member of the Antwerp Diamond Bourse, since 1972, I have earned the mark of the WFDB and adheres to a strict and ethical code.

Author Bio

George Zaidmann writing for Jewellery Web Shop, the leading jewellery website that sells diamonds. I have been in the trade since 1963. I am a diamond cutter, a diamond sawer, diamond cleaver and a certified Gemmologist. I have many years of service in assorting and appraising both rough and polished diamond. As a member of the Antwerp Diamond Bourse, since 1972, I have earned the mark of the WFDB and adheres to a strict and ethical code.

We at Jewellery Web Shop recognise this and wish to make our customers aware that there is more to diamonds than a sparkling gem. Find exclusive collection of Diamond Jewellery especially Diamond Engagement Rings , Diamond Wedding Rings etc online from the website.

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