In the suit of Diamonds we enter into the world of privilege which is the result of business acumen or inheritance. In Europe, wealth was a direct result of trade and land ownership.
The Ace of Diamonds represents an abstract energy or current the focused dynamic power of will or desire.
The King of Diamonds can be seen as: Rich Uncle Pennybags aka Mr. Monopoly
and the Jack of Diamonds as the fair haired boy or Richie Rich:
The 10 of Diamonds is any Corporate Headquarters, or large scale financial institute. The logo of the World Bank is an apt symbol for the 10 of Diamonds.