World’s largest diamond is offered for sale in Tokyo. Model Tomoko Misawa shows off the world’s most valuable diamond in Tokyo.

World's largest diamond a certified 100-carat D-color flawless gem is offered for sale in Tokyo at 2.94 billion yen
The diamond is certified as 100-carat, D-color flawless and will be on display from October 9 at a Tokyo department store with a price tag of 2.94 billion yen [USD $26.6 million]