The Diamond Casino Heist in GTA Online offers players a thrilling opportunity to earn substantial payouts through meticulous planning and execution. Depending on the chosen approach—silent and sneaky or aggressive—players can net between $2.1 million to $3.6 million in total take. The payout is influenced by factors such as the chosen crew, the amount of loot collected, and the efficiency of the heist. Successful completion not only rewards players with cash but also enhances their reputation in the criminal underworld of Los Santos.