| The 20-year-old has been sidelined since October after picking up a toe injury against Rangers.
He sought further advice in recent weeks and has undergone an operation.
Grivosti wrote on Twitter: "Gutted to be missing the rest of this season after my op today. Been a tough few months with this injury but I'll be back."
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| Championship Group | |||||||||
| 1 | Celtic | 3 | 3 | 0 | 0 | 87 | 28 | 59 | 87 |
| 2 | RangersRangers | 3 | 2 | 0 | 1 | 79 | 27 | 52 | 81 |
| 3 | Hearts | 3 | 1 | 1 | 1 | 49 | 37 | 12 | 66 |
| 4 | Kilmarnock | 3 | 1 | 1 | 1 | 45 | 38 | 7 | 55 |
| 5 | St Mirren | 3 | 1 | 0 | 2 | 42 | 47 | -5 | 46 |
| 6 | Dundee | 3 | 0 | 0 | 3 | 46 | 62 | -16 | 41 |
| Relegation Group | |||||||||
| 1 | Aberdeen | 3 | 3 | 0 | 0 | 41 | 49 | -8 | 44 |
| 2 | Motherwell | 3 | 2 | 0 | 1 | 55 | 54 | 1 | 43 |
| 3 | Hibernian | 3 | 1 | 0 | 2 | 48 | 58 | -10 | 42 |
| 4 | Ross County | 3 | 1 | 0 | 2 | 35 | 64 | -29 | 33 |
| 5 | St Johnstone | 3 | 0 | 0 | 3 | 26 | 52 | -26 | 31 |
| R | Livingston | 3 | 2 | 0 | 1 | 27 | 64 | -37 | 24 |
| First Phase | |||||||||
| 1 | Celtic | 33 | 24 | 6 | 3 | 80 | 26 | 54 | 78 |
| 2 | RangersRangers | 33 | 24 | 3 | 6 | 72 | 23 | 49 | 75 |
| 3 | Hearts | 33 | 19 | 5 | 9 | 46 | 34 | 12 | 62 |
| 4 | Kilmarnock | 33 | 13 | 12 | 8 | 43 | 34 | 9 | 51 |
| 5 | St Mirren | 33 | 12 | 7 | 14 | 38 | 43 | -5 | 43 |
| 6 | Dundee | 33 | 10 | 11 | 12 | 44 | 54 | -10 | 41 |
| 7 | Hibernian | 33 | 9 | 12 | 12 | 44 | 51 | -7 | 39 |
| 8 | Motherwell | 33 | 8 | 13 | 12 | 46 | 51 | -5 | 37 |
| 9 | Aberdeen | 33 | 8 | 11 | 14 | 35 | 49 | -14 | 35 |
| 10 | St Johnstone | 33 | 7 | 10 | 16 | 24 | 46 | -22 | 31 |
| 11 | Ross County | 33 | 7 | 9 | 17 | 32 | 56 | -24 | 30 |
| R | Livingston | 33 | 3 | 9 | 21 | 22 | 59 | -37 | 18 |
| > Scottish Premiership Full Table | |||||||||
