No some black diamonds which are heat treated as mentioned above are not a true black.
Are natural black diamonds expensive.
Natural black diamonds tend to have a more porous structure than treated ones.
Truly natural fancy black diamonds are very rare and expensive.
Naturally occurring black diamonds are in short supply and they can be mined only in brazil and africa.
When it comes to natural fancy black diamonds mined from the ground both black and grey specimens are found regularly.
Meaning that a 1 carat natural black diamond ring would cost approximately 2 500 3 000.
Natural black diamonds also called carbonado can only be found in brazil and africa.
Are all black diamonds black.
Very often the original stones used are.
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.
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.
How natural black diamonds are formed.
The differences in prices of natural black diamonds are resulted from different qualities.
This enables them to absorb more light and hence makes them more opaque.
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.
Natural black diamonds are relatively rare.