Kristin Cavallari's 5.2 Diamond Engagement Ring

Kristin Cavallari, 24, get 5.2 carat diamond engagement ring with with from Chicago Bears quarterback Jay Cutler.

Kristen is seen here leaving an athletic store with a studded bowler bag.

Kristen is seen here leaving an athletic store in her workout attire. She jazzed p her casual look with a studded bowler bag.