The soap star revealed in an interview with OK magazine that he got engaged six months ago during a holiday in Barbados.
"I didn't have a ring so I got this guy on the beach to make one out of beads in the reggae colours, as I love my reggae, and I put that in my back pocket and we swam out [to a raft] and I proposed," he said.
Owen and Parsons met four years ago when they both starred in panto Snow White. However, they spent some time apart earlier this year when plans for a wedding this September "became too much" for the couple.
"It was getting ridiculous. We had about a thousand people coming," said Parsons. "It would have been about everyone else - now we've had time apart, we know what's important. It just started to get out of hand and it scared me.
"We had some time apart. But it made us appreciate each other and realise we wanted to be together."
The duo are now planning their nuptials for 2011 and are considering possible venues in France or Barbados.