Your answer depends on the diamond mine you reference. Most diamond mines are owned by different companies.
For example, in Canada, from their Wikipedia page:
"The mine is owned by a joint venture between the Rio Tinto and Dominion Diamond Corporation, and is operated by Diavik Diamond Mines Inc., a subsidiary of Rio Tinto Group."
In Australia, the Argyle Mine is owned by the Rio Tinto Group.
In Russia, the Udachnaya pipe is owned by Alrosa.
In Africa, The (Botswana) Orapa diamond mine is owned by Debswana.
The Ekati is Canada's first diamond mine, located a little south of the Arctic Circle in the Northwest Territories. It is 80% owned by BHP Billiton, a 'global leader in the resources industry', according to their Web site, below.
Which Company owns Persil
my friend aunt and uncle owns it haha
copper fishing fruit and othe mineral mines copper fishing fruit and othe mineral mines
A person who owns buildings and rents them
Diamond mines are used for mining diamonds.
There are no productive diamond mines in USA.
The diamond with the symbol on it.
Yes, there are gold mines and yes, there are diamond mines. The two resources have not been mined from the same mine.
Found in the mines of India.
You go to Big Zeke in the Safari and go through the Diamond Mines.
there is no magnifing glass in diamond mines!
James Franklin has written: 'On the diamond mines of Panna in Bundelkhand' -- subject(s): Mines and mineral resources, Diamond mines and mining
Yes it does.
There are no significant diamond mines in Egypt, certainly none in Cairo.
Botswana
Diamond mines are formed by mankind using earth movers, dynamite, and other mining techniques. Diamond mines are dug around volcanic pipes which erupt bringing diamonds closer to the earth's surface.