Densuke Watermelon
Price per kilogram: $250
Densuke watermelon is a type of watermelon that’s grown exclusively in Hokkaido, Japan. It’s known for its deep black skin and sweet, juicy flesh. Densuke watermelons are also rare, which contributes to their high price tag. They can cost anywhere from $250 to $300 per kilogram, making them one of the most expensive watermelons in the world.