A possible concise summary is:
The text is a transcript of a video where a group of people try to find a hidden diamond in a red box by solving puzzles and clues. The video is part of a series called "The Stolen Diamonds Affair" and it is hosted by Fabien, who also hid the diamond. The group has one hour to find the diamond and they use various accessories such as hats, glasses, and spades. They explore different rooms and look for objects with stickers that have a brain symbol on them. They also read texts that have hints or riddles about the diamond or the suspects. They manage to find the diamond, which is hidden among books, and Fabien reveals that it is actually zirconium, not a real diamond. The video ends with Fabien thanking the participants and the viewers.
Here are the key facts extracted from the text:
1. The text is a transcript of a video where the speaker hid a diamond in a red box and challenged his friends to find it in less than an hour.
2. The speaker used various clues, puzzles, and objects with stickers and brains to guide his friends through different rooms and locations.
3. The speaker also gave them some accessories and tools, such as hats, spades, magnifying glasses, and Nerf guns.
4. The speaker made some jokes and references to pop culture, such as Superman, Batman, Pokémon, and Chuck Norris.
5. The speaker's friends eventually found the diamond in a package that was sent to them by the speaker in advance.
6. The speaker revealed that the diamond was actually zirconium, which has similar properties to diamond but is much cheaper.
7. The speaker thanked his friends and the viewers for participating in the adventure and said goodbye.