Career
Ariaudo joined Juventus as a nine-year-old and was part of the 2009 Torneo di Viareggio-winning team He made Serie A debut on 18 January 2009 against Lazio in Rome on a match that ended with a 1–1 draw. Although he was not able to break into the first team permanently that season, then-manager Ciro Ferrara described Ariaudo as a future prospect.
After being included in pre-season friendlies, Ariaudo was promoted to the first team permanently.
On 2 January 2010, he was sent on loan to Cagliari for €500,000. In June 2010, Cagliari excised the rights to purchase him in co-ownership deal for €1.3million.
On 31 January 2011, the club purchased him outright, as part of the deal of Alessandro Matri"s €2.5million loan. On 4 January 2014, Ariaudo left Cagliari for Serie A side Sassuolo.
On 30 January 2015 Ariaudo signed a loan deal with Genoa C.F.C.
On 25 March 2009 Ariaudo made his debut for the Italy Under-21 squad and marked it with a goal in the friendly game against Austria that ended with a 2–2 draw.
He was named in the preliminary squad for the 2009 European Championships but did not make the final 23-man squad. Since then, he has become a regular starter for the Azzurrini in their 2011 European Championship qualifying campaign, playing the full 90 minutes in four of the last five matches since March.