Against the club who had unceremoniously dumped him in the summer, the young midfielder not only netted a vital goal but did so in the cheekiest of fashions with an audacious back-heel.
It was the kind of boys' own storybook stuff you might expect to find only on a comic strip and the perfect riposte from Vigurs after reluctantly leaving Terry Butcher's squad.
But this weekend, Vigurs - outstanding against Hibernian last weekend - would happily settle for a low-key role in a third league derby win of the season.
The 21-year-old, who has reclaimed a starting place since mid-February, knows how significant a win would be at Victoria Park before a predicted 6,000 sell-out crowd.
The former Elgin City and Scotland under 19 cap said, "Just to get any kind of goal in the derby would be great - it doesn't have to be a back-heel!
"I haven't scored in a while but, above all, to get a win and three points would be brilliant.
"Scoring against Caley Thistle was going to happen sometime I suppose, but to do it in the first game at Inverness was superb.
"It felt brilliant. I actually remember when I scored I celebrated so much, with the adrenaline was pumping so hard, that I had to come off about five minutes later.
"I was knackered. It was the celebration that killed me! It wasn't really about proving anything to Inverness, it was for myself.
"My confidence had been low after leaving Inverness and to get a run of games here and score a goal did me the world of good."
Vigurs, who recently signed a new deal through to summer 2011, has had to battle for a central role in Derek Adams' plans this season with spells in and out of the side.
Having lost his place in early December and only regained it in mid-February, he is determined to do all he can to cement his selection ahead of a huge sequence of matches.
Saturday's derby is followed by Tuesday's Scottish Cup replay against Hibs and then further league action against Dundee and Caley Thistle.
Vigurs said, "It's a good time to get back in the team, especially with the games we have in store. If I could keep myself in the team throughout these games I'd be delighted.
"You've got four massive games there. The league's so tight at the moment - Dundee drew yesterday - there's nothing between the teams, especially amongst the top four or five.
"To get a win and three points in the derby on Saturday would be massive. If we win, we're on the same points as Caley Thistle and not far behind Dundee so it'll set up a brilliant end to the season.
"But even just from a personal perspective, I'd love to beat Caley. We've beaten them twice already this season in the league and to do it again would be brilliant."
County's one derby disappointment came in a 1-0 defeat in their ALBA Cup exit. Vigurs still cringes at the memory.
He said, "I played in that one and it was a horrible game.
"They've scored a kind of fluke - a slice into the far corner.
"It is a warning to us. If we don't play like we did against Hibs, we're going to struggle, especially with the way Caley Thistle have been playing.
"They are 10 unbeaten in the league which is phenomenal in the First Division. They've hit a bit of form at the right time and it's put them right back in the title race.
"It's been quite a turnaround for them and Dundee have been dropping points all over the place."
Vigurs is well-versed on his former team and rates their attacking verve highly - but also sees vulnerabilities for County to expose.
He said, "Andy Barrowman and wee Michael Gardyne did brilliantly against Hibs, an SPL back four.
"I thought they more or less battered them in the second half and pulled them all over the place.
"If they reproduce that and the midfield play the way they did - Scott, Lawson and Brittain - I think we'll give them a really good game.
"In more or less any game, if you dominate midfield you are going to win the game.
"That's what we need to do - we need to get in their faces early and get passing in the way we have through much of the season.
"All of our good results have come when we've played the ball at a high tempo and pressed.
"We need to do that because we know what they're capable of after the last 10 games.
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Gary Miller holds off Benji and Derek Riordan. Andrew Barr Photography |
"Really it doesn't matter what team they put out - it's all about what we do.
"We know, if we play well, we can beat anyone on our day. It's about focusing on our game instead of what they're going to do."
* Derek Adams is convinced buoyant Ross County have the attacking guile to dismantle Caley Thistle's long unbeaten run - if they perform to their best.
Adams' men embark on a thrilling 11-day spell of games with Saturday's potential sell-out occasion at Victoria Park followed swiftly by blockbuster matches against Hibs, Dundee and Caley Thistle again.
While these are heady times for a County side at last earning plaudits outwith the local area, Adams, as ever, is unwilling to get too far ahead of himself.
The 34-year-old told the Ross-shire Journal, "These are good times but it's about the next game - let's get it on.
"We have Inverness Caley Thistle on Saturday and that's always a great occasion.
"I thought the first derby through here was excellent. The place was full and the atmosphere was crackling - and it looks like it's going to be a sell-out here."
Given the spectre of the Hibs replay in Dingwall on Tuesday, the occasion provides the ideal test to focus minds on the league.
Were Airdrie or Ayr visiting this weekend, minds might easily wander to Tuesday, but Adams said, "I think it is a great game for us.
"We've come off a high against Hibs and now we have to up the stakes again.
"It's quite easy because it's a derby match and we know what's at stake.
"We'll have a full house and when you go into that cauldron it's 90 minutes you enjoy. That's what you train for week-in, week-out.
"We've come off a very good high last Saturday and to experience that again we need to perform to a high standard against Caley."
Adams insists County are operating in a pressure-free environment despite the hugely-important games hitting them thick and fast.
The manager stressed, "Pressure? There's none. We've exceeded expectations already.
"But you always want to win games and doing that brings a happiness, enjoyable training and takes the pressure off even more.
"There perhaps is pressure on the financial side in terms of the Scottish Cup.
"We know what it could mean to the club financially.
"If we were to do well against Hibs, it would help the club greatly financially, there's no doubt about it.
"That's a great incentive for the team."
Adams views the enticing 11-day period of games against Caley Thistle twice, Hibs and Dundee as reward for progress this season.
He said, "We couldn't ask for much more. It's a great 11 days for us, but only great if you pick up points and win games. That's what we'll try and do."
Caley Thistle's burst of form and long unbeaten run do little to dent Adams' conviction that County can win the match if they play to their best.
The manager added, "They have changed things around a touch, but we still think we have the opportunity to beat them on Saturday.
"We're at Victoria Park, we've done very well against them in the past and we believe we have the players to unlock them.
"The pressure is on Inverness. They have to come here to win the game and I don't believe they will sit in - they can't.
"That means it will be an open game on Saturday.
"They have good experience at the back but we feel we have the players with the energy to get into good areas and cause them problems.
"But they will believe they can do that to us. They have Adam Rooney in their side and he's in hot form.
County will again be without central defender Steven Watt through injury, while Caley Thistle have talisman Richie Foran suspended.