Although these stones have the same chemical composition as white diamonds their crystal structure is different and they have many inclusions causing them to differ in color.
Are natural black diamonds expensive.
However when it comes to gia certified natural black diamonds the price can easily be 1 500 3 000 per carat for diamonds weighing 1 00 3 00 carats.
This enables them to absorb more light and hence makes them more opaque.
Are all black diamonds naturally colored.
Natural black diamonds tend to have a more porous structure than treated ones.
Natural black diamonds also called carbonado can only be found in brazil and africa.
When it comes to natural fancy black diamonds mined from the ground both black and grey specimens are found regularly.
How natural black diamonds are formed.
Are all black diamonds black.
The differences in prices of natural black diamonds are resulted from different qualities.
Even though that colored diamonds are extremely rare being less than 0 1 of the number of mined diamonds some say less than 0 01 there is actually a very nice selection of diamonds colors with prices that are much more affordable than those of white diamonds.
Meaning that a 1 carat natural black diamond ring would cost approximately 2 500 3 000.
Very often the original stones used are.
No some black diamonds which are heat treated as mentioned above are not a true black.
These artificially enhanced black diamonds are a lot less expensive than the natural black diamonds.
As demand for them has increased over the past few years so too has the number of treated black diamonds.
This is why many vendors take real diamonds of another color and turn them black through artificial treatment.