Shariff joined the Diamonds in January 2016 from Daventry Town having actually started out in the sadly now defunct former Rushden & Diamonds.
After leaving Nene Park, he played for a number of clubs, including Tamworth, Banbury United, Corby Town and Stamford AFC, before signing for Daventry.
Diamonds` manager Andy Peaks told his club`s official website: “Nabil has been fantastic for the club, and we are sorry to lose him, but I can understand him wanting to play at a higher level. Alfreton made him an offer that we couldn’t match and he couldn’t refuse. I am sure I will keep in touch and wish him all the best for the future.”
Since making his debut in April 2014, Shariff has played seventy-three games for the club, including fifty-seven league games, scoring 40 goals.
This season he has scored 14 goals in eighteen appearances.
(Photo: Mal Swinden)