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Yes, of course.
Seventy-five percent of diamonds mined are not gem-stone quality, because of their defects: inclusions of other matter pressed within the diamond lattice.
Gem diamonds also have defects and flaws, unless you find one that is classified as Flawless or Internally Flawless. That is the highest grade for diamond clarity and therefore will cost you the most should you find one you want to buy.
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∙ 12y ago
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What makes colored diamonds?
Gem-quality diamonds are coloured by the inclusion of trace minerals within the crystalline composition of the diamond. For example, nitrogen makes diamonds yellow and/or brown; boron gives diamonds a blue hue, and some coloured diamonds acquire their colour based on structural defects.
Why are there different color diamonds?
From Wikipedia: "The color of a diamond may be affected by chemical impurities and/or structural defects in the crystal lattice." You can read more about what impurities and defects cause which colours, below.
What color are natural diamonds?
There are over 300 shades of colour that natural diamonds come in including pink, black, red and yellow. This is because of mineral impurities and lattice defects in the diamond.
What makes diamonds chocolate?
Brown diamonds are the most common colour of gem-quality diamonds found.According to its Wikipedia page:"Several causes have been identified, including irradiation treatment, nickel impurities and lattice defects associated with plastic deformation; the latter are considered as the predominant cause, especially in pure diamonds."
How are brown diamonds produced?
Brown diamonds are the most common color of diamonds found in the gem-quality category. There are several theories as to why diamonds are coloured brown. According to its Wikipedia entry:"Several causes have been identified, including irradiation treatment, nickel impurities and lattice defects associated with plastic deformation; the latter is considered as the predominant cause, especially in pure diamonds."
Do colored diamonds occur naturally?
Yes. Coloured diamonds are coloured either by the inclusion of trace amounts of another mineral mixed with carbon -- yellow comes from nitrogen, blue comes from boron -- or based on structural defects: pink. You can read more, below, about how naturally coloured diamonds are graded, and see the rich mix of colours and combinations Mother Nature produces in diamonds.
How is a chocolate diamond created?
Naturally occurring chocolate diamonds (also known as brown diamonds) can are formed deep inside the earth and get the brown color due to irradiation treatment, nickel impurities and lattice defects associated with plastic deformation.
Are pink diamonds naturally pink?
Yes, if they are natural diamonds. Diamonds can be treated or enhanced to 'bring out' a colour, so a faint pink diamond could be treated to enhance the colour and become a more intense pink. Enhanced diamonds are of a lesser value than naturally coloured diamonds. Today, most natural pink diamonds are produced from the Argyle mines in Australia, and are pink based on "...low levels of nitrogen impurities, their colour resulting instead from structural defects of the crystal lattice," according to Wikipedia.
How are chocolate diamonds made?
Chocolate, or brown, diamonds are made just like any other diamonds, when carbon is placed under extreme pressure. The brown color comes, in most cases of natural diamonds, seems to come from distortions or defects in the crystal matrix. In synthetic diamonds, the brown color results from the presence of nickel and nitrogen atoms in the crystal matrix. Brown diamonds are the most common colour of diamonds found. 'Chocolate' is the name of one shade of this brown colour. All diamonds are formed naturally far below the surface of the earth and erupted to the earth's surface through volcanic pipes.
Which tretment can remove some or all color form certain types of light brown diamonds?
There is apparently a high-pressure, high heat process that can alter a brown diamond's colour. This treatment can 'heal' lattice defects that cause the brown colour. Note, however, that treated diamonds are less valuable that natural diamonds. A GIA certified gemologist will always be able to tell that a diamond has been treated.
How do you spell defects?
Defects.
What are latent defects and patent defects?
Latent defects are not obvious and are not easily discoverable while patent defects are obvious.
