Gemologists have a list of flaws, one for external flaws and another for internal flaws. From the Wikipedia page:
Yes. Exceptions are gem-quality diamonds that have been cut and polished so that there are no flaws. These diamonds are rated as 'flawless'.
Industrial diamonds can appear cloudy and gray, because of their flaws and inclusions.
Kiran diamonds are manufactured diamonds: real, manufactured diamonds.
Gem cutters cut flaws out of stones using diamond cutting tools, so that the finished diamond gem stone has no flaws. Or, a diamond is cut so that the flaws are the least visible. Note that diamonds can be treated, but not necessarily to hide flaws: treated diamonds change colours and the clarity is usually not affected. Rubies, however, are generally treated to hide flaws. Read more about treating rubies, below.
Flaws in diamonds are visible to trained gemologists using at least 10x magnification lenses. You can read about diamond flaws, below.
Diamonds are formed 'clear' in the sense that for that volume of material, no flaws were included in the formation process.
Real diamonds can be found in Arkansas.
Chemically they are real diamonds.
Are 3.60 dwt diamonds real
There are "Russian diamonds" - is the company/website name and it offer diamond simulants, not real diamonds. And there are Russian diamonds which is produced in Russian labs which are 100% real diamonds. To ensure the diamond is real ask for independent gemology certificate: GIA, EGL, IGI.
Yes.
Black diamonds -- properly Carbonado, are real diamonds, with our without enhancements. You can read more about Carbonado, below.