Diamonds have been around forever – literally ! When you ask how old is this diamond remember most diamonds were created by nature at he birth of the Earth billions of years ago and other still older diamond came to earth via meteorites from distant stars. They were first found in India about 5 000 years ago, they just like any stone and are known as rough diamonds. Largely diamonds only came from India until the 18th century.
In the middle of the 19th century diamonds were found in South Africa at Orange River. By the beginning of the 20th century South Africa was the worlds top diamond producing country. The shear volume of diamond produced In South Africa meant the price dropped and diamonds became accessible tho the European and American middle classes. During the early 20th century large diamond deposits were found in Australia, Russia and Canada
There are some very large diamonds in the world.