Harold Hamm & Sue Ann Arnall – $975 Million
Harold Hamm is an entrepreneur who is one of the most important figures in the oil and gas industry. He has a net worth of about $14.2 billion. He married Sue Ann Arnall, an economist and lawyer in 1988, and they were married for 17 years during which they had two daughters. They divorced in 2005 but their divorce papers were filed only in 2012.

According to an article in the Wall Street Journal, “She rejected a divorce settlement check in the amount of $974,790.317.77, stating that it “would jeopardize her appeal” with Mr. Hamm. However, she soon thereafter deposited the $975 million settlement check.