Daly and Pinter started dating six years ago. They are the parents of son Jack, 3, and daughter Etta Jones, 13 months.
UsMagazine.com said Pinter was spotted showing off her new engagement ring during a weekend outing in Los Angeles.
Daly is the host of the singing competition series "The Voice" and a contributor to the morning program "Today."
Swim Week Miami Beach 2014 [PHOTOS]