Your question assumes that a diamond has changed hands for money. Many important diamonds, however, have never been sold, but have been owned based on the stone being a spoil of war or a gift to royalty.
The 'most expensive diamond' may be in regal crown jewels owned by a nation state. The British and Thai crown jewels are examples of magnificent diamonds held this way. Because they have not changed hands for money, there are essentially and otherwise priceless.
There are, however, a few examples of expensive diamonds, some with their record per-carat prices:
No, the Hope Diamond is not the most expensive diamond in the world. While it is one of the most famous and valuable diamonds, there are other diamonds that are more expensive due to their size, clarity, and color.
The Hope is not the most expensive diamond in the world, because its purchase price remains confidential. Other large, rare and famous diamonds have changed hands, but not necessarily for money.
Probably a red diamond, since it is the most rare natural colour.
The Wittelsbach, a 35.56-carat blue diamond mined in India, sold December 2008 at a Christie's auction for $24.3 million.
The most expensive diamond color is generally considered to be a vivid and pure shade of pink, followed by blue and green. These fancy colored diamonds are rare and highly sought after, commanding premium prices in the market.
No, the Hope Diamond is not the most expensive diamond in the world. While it is one of the most famous and valuable diamonds, there are other diamonds that are more expensive due to their size, clarity, and color.
united kingdom
It is the Princies Chrities Diamond.
mam diamond
diamond
Hope dimond
The most expensive diamond, by definition, is priceless.
Probably not, because it is not a named diamond, so no value for it is available publicly.
Red diamonds - are the rarest and most expensive.
I think that would be the Hope Diamond. It's not the biggest or most expensive, but over the years it's had a lot of press.
pure diamond is the most expensive jewel
diamond