diff --git a/internal/services/loganalytics/log_analytics_cluster_resource.go b/internal/services/loganalytics/log_analytics_cluster_resource.go
index f0ac8a91bd19..201f2983191a 100644
--- a/internal/services/loganalytics/log_analytics_cluster_resource.go
+++ b/internal/services/loganalytics/log_analytics_cluster_resource.go
@@ -63,7 +63,7 @@ func (l LogAnalyticsClusterResource) Arguments() map[string]*schema.Schema {
 				}
 				return 100
 			}(),
-			ValidateFunc: validation.IntInSlice([]int{100, 500, 1000, 2000, 5000}),
+			ValidateFunc: validation.IntInSlice([]int{100, 200, 300, 400, 500, 1000, 2000, 5000, 10000, 25000, 50000}),
 		},
 
 		"tags": tags.Schema(),
diff --git a/website/docs/r/log_analytics_cluster.html.markdown b/website/docs/r/log_analytics_cluster.html.markdown
index 71f5a4d534cd..3c41bebacc10 100644
--- a/website/docs/r/log_analytics_cluster.html.markdown
+++ b/website/docs/r/log_analytics_cluster.html.markdown
@@ -47,7 +47,7 @@ The following arguments are supported:
 
 * `identity` - (Required) An `identity` block as defined below. Changing this forces a new Log Analytics Cluster to be created.
 
-* `size_gb` - (Optional) The capacity of the Log Analytics Cluster is specified in GB/day. Possible values include `100`, `500`, `1000`, `2000` or `5000`. Defaults to `100`.
+* `size_gb` - (Optional) The capacity of the Log Analytics Cluster is specified in GB/day. Possible values include `100`, `200`, `300`, `400`, `500`, `1000`, `2000`, `5000`, `10000`, `25000`, or `50000`. Defaults to `100`.
 
 ~> **NOTE:** The cluster capacity must start at 100 GB and can be set to 500, 1000, 2000 or 5000 GB/day. For more information on cluster costs, see [Dedicated clusters](https://docs.microsoft.com/en-us/azure/azure-monitor/logs/cost-logs#dedicated-clusters). In v3.x the default value is `1000` GB, in v4.0 of the provider this will default to `100` GB.