Blue diamonds are one of the rarest and most valuable gemstones in the world. All natural fancy colours are rare, most jewellers have never seen a natural blue diamond, because they are so rare.
This guide is taken from the index page of our "Blue Diamonds" website, the only website which deals exclusively with the subject of blue diamonds.
Now Available! Blue Coloured Diamond
Natural fancy coloured diamonds are very rare and expensive. Blue is one of the rarest and most desirable colours. The Hope diamond, which we have viewed in the Smithsonian Institution in Washington D.C., is the most famous blue diamond in the world, and the largest at 45.52 carats. The attempted Millennium Dome Diamond Robbery was an attempt to steal 12 large diamonds valued at a total of £200 million, an average of over £16 million each. Eleven out of the twelve diamonds were fancy coloured blue diamonds! The twelfth (non-blue) diamond weighed 203 carats.
Large & Famous Blue Diamonds
We are currently compiling a list of large or famous blue diamonds, and will add them on a new page soon.
Is It Natural?
Natural blue diamonds are so rare that most jewellers have never seen one, and will never own one. In recent years, methods of producing intensely coloured diamonds, including fancy blue, have been developed. We believe that the process probably recreates the conditions which existed millions of years ago to produce natural fancy coloured stones. The treatment can only work with a small minority of diamonds, and involves irradiating them causing the colour change, usually followed by heat treatment to stabilise the colour. The blue diamonds we currently have available are enhanced or treated. If this fact puts you off owning one, then please stop to consider that every diamond has been enhanced by facetting, and most coloured gemstones are heat treated to enhance their colour. We will add a page devoted to gemstone treatments when we have more time.
In our first twenty years of designing diamond rings, we had only owned 5 coloured diamonds, four of which were certificated as natural. Now that treated stones are available, we intend to make full use of their inherent beauty in our rings. Even enhance (treated) blue diamonds are not easy to find, so our stock selection will never be very extensive. Natural blue diamonds remain so rare, that we don't bother trying to find any! Any comments we make about blue diamonds will relate to treated ones unless the context clearly indicates otherwise.
Quality for quality, fancy blue diamonds are more expensive than ordinary near-colourless ones. The processing adds to the costs, so it is generally only worth treating diamonds of high clarity. The diamonds selected for treatment usually start off a one of the less desirable colours such as brown or yellow. There is no certainty about the final colour that any particular stone will be after treatment.
What About Sapphires?
Why bother to get so excited about blue diamonds, when we could use sapphires instead? The very best sapphires are quite expensive, and they still do not have the sparkle that blue diamonds possess. In addition even though sapphires are very hard and durable, diamonds are many times harder and even more durable.
We also have pages about cut, shape, & clarity of blue diamonds, and colour in general, but eBay do not permit us to include links here to our website, sorry. We will try to add more later.
We design and create diamond rings, and we have found that many other people share our love of blue diamonds and other fancy colours. So far we have only made a small number of rings using blue diamonds, but we are busy right now with a few new ones. The problem seems to be that we sell them as fast as we can find the diamonds, and make the rings.
Pendants & Ear-Rings
We have also made a few pendants, and are about to produce our first pair of blue diamond ear-rings. Because of the variation in colours, and the small numbers of blue diamonds we get to see, it is not easy to find matching pairs of blue diamonds for ear-rings.
Author & Copyright Notice
Any images shown are our own copyright images. Our text and description is also copyright, Lawrence Chard of Chard Coins.
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11 September 2006
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