27 Jan 12 Precious Colored Diamonds
A diamond is the world’s exceptionally precious gemstone, but the beauty of colored diamonds is something which every gemstone might crave for. Being the most admirable and rare, colored diamonds are the dream of every investor, collector and connoisseur. It is the most sought after gemstone and an investment of a lifetime. An interesting fact about a colored diamond is that it is the most rarest among 10,000 carats of diamonds. In simple words, only 1 carat are colored out of 10,000 carats.
These fancy diamonds are available in vibrant red, blue, green, purple, yellow and so many other hues. Important factors to be considered while grading colored diamonds are their fancy & vividness, which depends on their color and saturation. The beautiful colors of these diamonds are a result of presence of trace elements within the carbon crystal structure of a diamond.
Common colors found are mentioned below
Yellow : When nitrogen is present as an impurity in the crystal structure of diamond, it appears as yellow color.
Blue and grey : The presence of boron (hydrogen) results in formation of this color.
Green : Green color is due to the ‘vacancy color center’ phenomenon.
Gemology defines it as the vacancy in the atomic structure of carbon.
Pink, mauve,brown : These colors are created by plastic distortion.
In other words, due to disfigurement of the internal frame of the diamond.
The rarity of the colored diamonds is marked by the fact of their 1 percent presence amongst the world’s total diamond. Hence, they can be aptly addressed as priceless. Red is the most rare color found in diamonds and because of rarity, diamonds undergo HPHT treatment- or the High Pressure High Temperature treatment to form color. In this treatment, diamonds are put under high pressure and high temperature to transform the crystal structure and create brown diamonds colorless and diamonds with nitrogen into a deep yellow-green color.
Diamond Jewelry Manufacturers & Suppliers : http://www.indianindustry.com/diamondjewelry/
24 May 11 Green Diamonds
Natural fancy green diamonds are an extremely rare discovery and are very expensive. For this reason they are perfect for those looking for an investment. The truth is that this is the case for a lot of natural fancy colored diamonds.
Do green diamonds come in different shades?
Green diamonds can range from light pastel green which are called Fancy Light Green Diamonds, or Fancy Green Diamonds, to the rarer Intense Green and Vivid Green diamonds. Needless to say the scarcer colors are the ones investors and collectors are searching for.
In the course of a typical year there may only be a single new pure Fancy Intense Green Diamond and Vivid Green diamond discovered. A good number of green diamonds contain a yellowish tint which dilutes the greenish tinge, but even these colors are rare.
How does a diamond become green?
The green color is made by the fact that the diamond was in contact with alpha particles in uranium compounds. Quite often percolating groundwater can also be the cause this green color. The diamond needs to be surrounded by these types of elements for quite a very long time to cause the diamond to become green. This is one of the reasons the green diamonds is so uncommon.
Put simply, just about all stores will sell treated variations, so make certain to check the certificate if you want a natural green diamond to be sure that you are not buying a synthetically colored diamond. A fancy color diamond certificate always states the color origin of the diamond.
Are there famous fancy green diamonds?
The Dresden Diamond is very well-known and is a natural fancy green diamond. It is egg-shaped and has a moderate grey tinge. This stone weighs approximately 41 carats. The reason that we don’t know the exact weight of the Dresden Diamond along with its measurements is due to the fact that during its gemological exam in 1988 it was not extracted from its mounting. It was feared that taking the diamond out of its setting would cause damage.
The particular diamond’s history has been documented for around 250 years. It appears that it came from Golconda, India, which is where the first diamond mines were uncovered.
As stated above, because of the fact that the majority of shops do not own a natural green diamond because of its rarity, if you are paying for a natural diamond then ensure you check the certificate. Green diamonds, obviously, would make an excellent surprise for the person you love.
16 Jun 10 Fancy Green Diamonds ? An Ideal Investment
Natural green diamonds are an extremely rare discovery and are highly expensive. For this reason they are perfect for anyone looking for an investment. The truth is that this is true for numerous natural fancy colored diamonds.
How rare is a natural green diamond?
There are various shades of green diamond and the color may vary from light pastel green, which are referred to as Fancy Light Green Diamonds and Fancy Green Diamonds, or the rarer Intense Green and Vivid Green diamonds. These rarer diamonds are what the collectors and investors are looking for.
During a standard year there could only be a single new pure Fancy Intense Green Diamond and Vivid Green diamond found. The vast majority of green diamonds contain a yellowish tint that tones down the greenish tinge; however, even these are difficult to discover.
How do diamonds naturally become green?
The green color is made as the diamond was in contact with alpha particles in uranium compounds.
Often percolating groundwater can also be the cause the green coloring. The diamond needs to have exposure to these elements for a long time to cause the diamond to turn green. This is one of the main reasons the green diamonds is so rare.
Put simply, practically all stores will offer synthetic versions, so make sure that you examine the certificate when you are looking for a natural green diamond to be sure you are not buying an artificially colored diamond. Each certificate that is issued for a fancy color diamond, will state the color origin of the stone.
Famous Green Diamonds
The Dresden Diamond is very well-known and is a natural fancy green diamond. It is egg-shaped and has a moderate grey tinge. It weighs approximately 41 carats. The key reason why that we don’t know the exact weight of the Dresden Diamond along with its measurements is because during its gemological exam in 1988 it was not taken out from its mounting. It was feared that taking the diamond out of its setting could damage it.
The diamond’s history has been recorded for over 250 years. There are indications that it originated from Golconda, India, which is where the earliest diamond mines were found.
So, as natural green diamonds are difficult to come by, and nearly every store sells treated diamonds, which, should be stressed are virtually indistinguishable, you have to ensure the states that the diamond is ‘Natural’ if that is what you were told by the store.
Seren Diamond can offer you a variety of diamonds for investment purposes or natural color diamonds for a piece of jewelry.
