Lawes and Morris recorded a comfortable 10-3 victory in a one-sided final after the Swiss pairing conceded with two ends to spare in front of watching International Olympic Committee President Thomas Bach.

The Canadians were on the front foot from the outset against the reigning world champions as they clinched Canada's third title of the Games.

The Olympic Athletes from Russia team, competing as neutrals here following the country's systematic manipulation of the anti-doping system at Sochi 2014, had earlier claimed bronze with an 8-4 win over Norway.

The triumph for Lawes and Morris saw them join only four other curlers in winning two Olympic golds.

Lawes played as a third under skip Jennifer Jones in the victorious women's team at Sochi 2014, while Morris was a member of the men's team which topped the podium four years earlier in Vancouver.

Former Sweden women's team members Anette Norberg, Anna Le Moine, Cathrine Lindahl and Eva Lund are the only other players to achieve the feat.

Canada started well and scored two in the opening end before Switzerland swiftly restored parity with a pair in the second.

The pivotal moment of the match came in the third as a failed takeout from Perret opened the door for Lawes to score four.

Trailing 6-2, Switzerland were left with a mountain to climb and the task got even tougher when they only managed one in the fourth end.

Successive pairs from Canada followed, leaving Switzerland seven behind with two ends remaining and Perret and Rios opted to concede.

The gold medal match brought an end to the first mixed doubles curling tournament to be held at an Olympic Games.

"It's surreal, to be honest," Lawes said.

"I don't think even the first one has sunk in and I don't think it ever will.

"But it's just a dream come true to represent our country on the world's biggest stage and to be able to bring this home for Canada is so special."