Simmons Cancer Institute (SCI) at Southern Illinois University Medicine 's 17 th annual Denim & Diamonds fundraiser Saturday will feature more than 400 auction items, including luxury vacation rentals, first class airfare, one-of-a-kind artwork and more. Denim & Diamonds will take place Saturday, October 14, at the Crowne Plaza Springfield. The event includes live and silent auctions, raffles, live entertainment and dinner. “Denim & Diamonds provides something for everyone, whether it’s a unique vacation experience in the live auction, a date night package featuring a movie tickets and dinner