diff --git a/coding_freshmen/C++/Hollow_diamond.cpp b/coding_freshmen/C++/Hollow_diamond.cpp
new file mode 100644
index 0000000..08ccdd5
--- /dev/null
+++ b/coding_freshmen/C++/Hollow_diamond.cpp
@@ -0,0 +1,58 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+
+    for (int row = 0; row < n; row++)
+    {
+        // for space
+        for (int col = 0; col < n - row - 1; col++)
+        {
+            cout << " ";
+        }
+
+        // for stars print
+        for (int col = 0; col < 2 * row + 1; col++)
+        {
+            if (col == 0 || col == 2 * row)
+            {
+                cout << "*";
+            }
+            else
+            {
+                cout << " ";
+            }
+        }
+
+        cout << endl;
+    }
+
+    for (int row = 0; row < n; row++)
+    {
+        // for space
+        for (int col = 0; col < row; col++)
+        {
+            cout << " ";
+        }
+
+        // for stars print
+        for (int col = 0; col < 2 * n - 2 * row - 1; col++)
+        {
+            if (col == 0 || col == 2 * n - 2 * row - 2)
+            {
+                cout << "*";
+            }
+            else
+            {
+                cout << " ";
+            }
+        }
+
+        cout << endl;
+    }
+
+    return 0;
+}