Are Black Diamonds Naturally Occurring. There are two varieties of black diamonds available on the market. Diamonds are found naturally in Kimberlite rocks or alluvial deposits.
The majority of black diamonds on the market today are artificially made by irradiating or heating ordinary diamonds. The other type of black diamond is heat treated to achieve the black. Natural black diamonds have an extremely high amount of inclusions such as graphite pyrite or hematite causing them to differ in colour.
However when it comes to GIA certified natural black diamonds the price can easily be 1500-3000 per carat for diamonds weighing 100 - 300 carats.
Natural black diamonds have an extremely high amount of inclusions such as graphite pyrite or hematite causing them to differ in colour. This is why many vendors take real diamonds of another color and turn them black through artificial treatment. Today we know that most naturally colored black diamonds get their color from large quantities or clouds of minute mineral inclusions such as graphite pyrite or hematite that extend throughout the stone. Naturally occurring ones and.
