Olivier Martinez and Halle Berry
01/11/2012 at 01:00 PM EST
It sounds like wedding bells will chime for Halle Berry
A rep for jewelry designer Gurhan tells PEOPLE that Olivier Martinez, Berry's boyfriend of more than a year, has given her a diamond-and-emerald engagement ring.
The Oscar-winning actress, 45, costarred with Martinez, 46, a French actor, in the 2010 film Dark Tide
. They soon became an item off-screen.
The couple were most recently spotted last weekend, having a quiet date night
, Cirque du Soleil's film-history-themed show at the Kodak Theatre in L.A.
Berry has been married twice before – to baseball player David Justice in the early 1990s, and to singer Eric Benét in the early 2000s.
She has a daughter, Nahla,
who will be 4 in March, with ex-boyfriend Gabriel Aubry.
A rep for Berry did not immediately reply to a request for comment on the engagement.