the ring

I got engaded in december of...2005. A lot of life has happened since that commitment was made. we bought a house..we had child, of whom just turned four years old..I changed my career to be to be available for my son....and for him to have a normal childhood. Recently my fiance has informed me he no longer wants to marry...we are still I a commited realtionship..do I still wear the ring he gave me...the engadgement ring?