A black spot in a gem-quality diamond is called a flaw or inclusion.
You can read more about the different types of inclusions and their descriptions, below.
Industrial diamonds show more 'black spots' than clear spots, which keeps them out of the gem-quality category. About 80% of all diamonds mined are industrial diamonds.
Black diamonds are black.
You can buy black diamonds.
Black diamonds are diamonds, but they are black, and not transparent. Follow the link, below, to see photos of black diamonds.
yes black diamonds are rare in this region
Mother earth makes black diamonds.
the cheetahs color are brownish with black spots
Diamonds can be found naturally occuring in a range of colors, including black diamonds. They are not artificially made.
Black diamonds that are available in the market are usually low grade white diamonds that have been colored black, however, natural black diamonds can be expensive depending on the quality.
Lethbridge Black Diamonds was created in 1992.
Black diamonds are more rare than regular diamonds. They are one of the most rare species of colored diamonds.
Black diamonds -- properly Carbonado, are real diamonds, with our without enhancements. You can read more about Carbonado, below.
Natural black diamonds are rare. They are due to dark graphite inclusions. Their rarity makes them valuable. Most black diamonds are synthetic and made by heat treating low quality diamonds. The price of a synthetic black diamond is lower than that of white diamonds.