
Stuber, who designed the Diane von Furstenburg ring himself with Sims' friend, a DVF executive, flew in Sims parents from Kentucky for the weekend, a surprise to the bride-to-be. Said Stuber at the recent Chrysalis Butterfly Ball in Los Angeles, with Sims on his arm, "Her mother is a southern woman, and I wanted to be a good Southern gentleman and go ask her parents in person, and bring them along."
And Sims, who says she has "no idea" how big her cushion-cut sparkler is (roughly 5-6 carats, says this site), loves her future husband's taste in jewelry. "He designed it. He did it with my girlfriend on his own. He surprised me; I never sent him a picture. He did it all."
Source: PEOPLE / INSTYLE
PHOTO CREDIT: Jordan Strauss/WireImage