In the video, a person is playing a game of Minecraft. The player is using a pickaxe to mine diamonds from a block of diamond ore. The player's inventory is visible at the bottom of the screen, showing that they have a full health bar and are carrying a pickaxe and some diamonds. The player is standing in a grassy area with trees in the background. The diamond ore block is light blue with darker blue diamond shapes on it. The pickaxe is brown with a silver head. The player mines the diamonds from the block, and they fall to the ground.