Diamonds are not found in a great many different places. Diamonds are not found floating in the ocean for example.
Diamonds are commonly found in volcanic pipes.
No, no natural diamonds are found in New Zealand.
Diamonds are found below level 16 of the world.
The diamonds themselves are, well, diamonds. They're found mixed in with other rock, though.
Diamonds are found on every continent except Antarctica and Europe - so yes, diamonds are found in India.
Carbon is the element found in both coal and diamonds.
Diamonds are continuously being found around the world, so there is no specific "last time" that they were found. The mining of diamonds happens on an ongoing basis in various countries where they are naturally occurring.
The Cullinan and Excelsior Diamonds were found in South Africa.
Diamonds are found on every continent on earth except Europe and Antarctica.
Real diamonds can be found in Arkansas.
All diamonds are found in the earth.