Deciding what an appropriate price for a footballer might be is obviously a fuzzy, inexact science.
The 25-year-old is the third most-expensive signing in world football behind Kylian Mbappe and Neymar himself after he secured his long-awaited move to the Catalan giants. In fact, transfer spending has risen more slowly than revenue over the past five seasons.
Lionel Messi marked his 400th Barcelona appearance with a goal as the La Liga leaders maintained their nine-point advantage with victory over Levante.
The Frenchman, signed for 105 million euros from Borussia Dortmund at the start of the campaign, was included in the line-up for the first time since tearing his hamstring almost four months ago.
But it was Messi who broke the deadlock from a Jordi Alba assist, a combination that has proved fruitful on so many occasions this season.
Suarez struck his fifth goal in four games running by controlling a cross from Sergi Roberto and slamming the ball high into the net in the 38th minute.
Liverpool manager Juergen Klopp said the club had tried everything to keep Coutinho at Anfield but the player had remained determined to join Barca since they had bids for him rejected in August.
No Levante player has scored in LaLiga since November 19 and although the visitors made a bright start at a wet and half-empty Camp Nou, Barca opened their 2018 LaLiga account through talisman Messi after just 12 minutes.
Atletico beat Getafe 2-0 at the Wanda Metropolitano on Saturday, with Diego Costa scoring and then being sent off in his first league appearance since returning to the club from Chelsea.
Ernesto Valverde's side have a six-point lead at the top of the standings with a game in hand against Levante on Sunday.