Sherlock Holmes

The famous detective Sherlock Holmes has returned to Puzzle Rooms for a new adventure! This time he has to solve an extremely intriguing case with a mysterious story. What it is? Well, in London there is an auction selling one of the most expensive diamonds ever discovered. The winner of the auction is killed and the diamond is stolen. Sherlock investigates the case and finds out who the killer is.

Using the available clues, do you think you can find out?