The "King of Diamonds" is a playing card in a standard deck, representing one of the four suits: diamonds. In card games, the King is typically the highest-ranking face card in its suit, often symbolizing power and authority. The card features a regal figure, usually depicted holding a scepter or other royal symbols. In some contexts, the "King of Diamonds" can also refer to a character in literature or popular culture, often embodying traits associated with wealth and leadership. Additionally, it may be associated with various games, such as poker, where it plays a significant role in determining the outcome of hands.