Gravett originally signed with Gardner–Webb out of high school before deciding to do a prep year at the Hargrave Military Academy.

[3] Gravett dealt with injuries in his freshman season at Pensacola State and only played 12 of the final 14 games.

As a junior, Gravett averaged 7.4 points, 3.6 rebounds, and 3.6 assists per game as South Carolina missed the postseason.

In his senior season, the addition of transfer Tre Cambell and freshmen A. J. Lawson and T.J. Moss allowed Gravett to move to shooting guard, and he had 22 points in a win against Florida.

[5] He was teased by the Florida student section for his hair, as they chanted "Blooming Onion".

[7] Prior to the 2019 NBA draft, Gravett worked out with the Cleveland Cavaliers and Charlotte Hornets and attended the Pro Basketball Combine.

[9] Gravett had 21 points, four rebounds, four assists and two steals in a loss to the Long Island Nets on December 15.

[10] On January 7, he had his first double-double with 21 points and 11 rebounds in a loss to the College Park Skyhawks.

[16] Gravett subsequently rejoined the Lakeland Magic[17] where he played 12 games and averaged 13.6 points, 5.2 rebounds, 2.8 assists and 1.83 steals in 34.5 minutes.