Rare diamonds are becoming harder to find and purchase at a reasonable cost these days. It is for the mere fact that, 'ordinary' ones are available to practically everyone. They are expected as engagement rings, and it becomes more difficult to find something out of the ordinary.
Those that are costly explore are the coloured ones. This is due to its unprecedented demand for 'something different'. As with anything, once it becomes more commonplace, as clear types have over the years, it becomes harder to impress.
As they become more popular in jewellery and are thus in demand, they become more difficult to get hold of. This is the reason for their scarcity and cost. The most common coloured forms of this precious natural resource are brown and yellow.
Yellow and brown types are classified as colorless minerals, with their colour ranging from light yellow to light brown. At one time, brown ones were considered as worthless for adornment, and only used for industry. However, due to an aggressive advertising campaign in Australia, where 80 percent of the precious mineral from the Argyle mine are brown, they are now accepted for jewellery.
Colored jewels are produced by the addition of other substances during the formation of the diamond. Blue kinds are the result of boron being introduced, and alpha particle irradiation causes the green forms. However, the substance most often found in this jewel is nitrogen, and it is this that colours the diamond yellow through to brown.
The scarce ones are coloured red, purple, pink, orange, green and blue, and one can see historically how difficult they are to come by, going by the price paid for them. For example, a blue diamond set in a platinum ring went for 9.49 million dollars at auction in 2009. One has to be a wealthy person to purchase jewellery in that league, the rarity of the stone dictating the cost.
Those that are costly explore are the coloured ones. This is due to its unprecedented demand for 'something different'. As with anything, once it becomes more commonplace, as clear types have over the years, it becomes harder to impress.
As they become more popular in jewellery and are thus in demand, they become more difficult to get hold of. This is the reason for their scarcity and cost. The most common coloured forms of this precious natural resource are brown and yellow.
Yellow and brown types are classified as colorless minerals, with their colour ranging from light yellow to light brown. At one time, brown ones were considered as worthless for adornment, and only used for industry. However, due to an aggressive advertising campaign in Australia, where 80 percent of the precious mineral from the Argyle mine are brown, they are now accepted for jewellery.
Colored jewels are produced by the addition of other substances during the formation of the diamond. Blue kinds are the result of boron being introduced, and alpha particle irradiation causes the green forms. However, the substance most often found in this jewel is nitrogen, and it is this that colours the diamond yellow through to brown.
The scarce ones are coloured red, purple, pink, orange, green and blue, and one can see historically how difficult they are to come by, going by the price paid for them. For example, a blue diamond set in a platinum ring went for 9.49 million dollars at auction in 2009. One has to be a wealthy person to purchase jewellery in that league, the rarity of the stone dictating the cost.
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