There is no absolute answer.
The number is continually changing. Not only are more natural diamonds mined, refined, and perhaps split into multiple pieces, but synthetic methods of producing diamonds (usually for industrial purposes) are also used extensively.
Interestingly, the number can go down naturally as well. Diamond under normal ambient conditions is actually thermodynamically unstable. Over geologic time, diamond will alter its structure and will eventually turn back into common graphite.
There are numerous 'kinds' of diamonds -- too many to list. The number of diamonds cannot be determined, since not all diamonds have been mined to date.
Innumerable, really. Eighty percent of all diamonds mined are industrial diamonds, with a separate classification for valuation, including colour. Only 20% of all diamonds a gemstones, with a named colour. That said, because diamonds are natural, there are as many colours as Mother Nature provides. You can review the chart for 'white' diamond colour, below. As well, you can read the names of 27 types of coloured diamonds, below.
There are 13 diamonds in a deck of 52.
Since not all diamonds have been discovered, it is not possible to give you the answer you want.
There are 13 diamonds in a standard deck of 52 cards.
Since not all of the diamonds in the earth have been unearthed, it is not possible to post a number that has any validity. Natural red diamonds, however, are the most rare of naturally coloured diamonds.
Until all the diamonds in Botswana are mined, there is no way to determine the absolute number. However, Botswana is among the largest producers of diamonds, world-wide.
Canadian diamonds are sold all over the world in many places. If you want one you can buy them if you look around and have enough money to pay for them.
Diamonds are found in Australia, many countries in Africa, Arkansas, a US state, Brazil, Canada, India and Russia.
Africa probably ranks number one in production, because so many countries in Africa produce diamonds.
There are numerous 'kinds' of diamonds -- too many to list. The number of diamonds cannot be determined, since not all diamonds have been mined to date.
There are several companies that create synthetic diamonds or cultured diamonds. One such company that creates the best synthetic diamonds is New World Diamonds.
You can buy a gem-quality diamond at most any jewelery store in the world. You can also mine for diamonds in India, Brazil, many countries in Africa, Canada, and Australia if you are a commercial miner. As a person, you can dig for diamonds personally in the Crater of Diamonds State Park in Arkansas, in USA. Read more about the park, below.
You can purchase diamonds in most any city in the world. There is no 'city' where diamonds are mined, however.
Diamonds are not necessarily disappearing. Diamonds are being mined all over the world, every day.
There is only one significant diamond named the Hope Diamond.
Sometimes. Diamonds can come in a variety of different colour. Pink diamonds are actually among the world's rarest and most expensive diamonds.