The study states that couples who spend $20,000 or more on their wedding are 46 percent more likely to get a divorce. Adversely, couples who spend $5,000 or less are 18 percent less likely to divorce. And the survery concludes the same for engagement rings:
"Spending between $2,000 and $4,000 on an engagement ring is associated with a 1.3 times greater hazard of divorce as compared to spending between $500 and $2,000."