Preheat the oven to 400°F and line a large baking sheet with parchment paper.
In a large bowl, whisk the flour, sugar, baking powder, baking soda, salt, cinnamon, ginger, cloves and nutmeg together until blended.
Cut the butter into small cubes no bigger than 1 centimeter on a side and add the cubes to the flour mixture. Use your hands or a pastry cutter to “cut” the butter into the flour until the mixture resembles wet sand with a few pea-sized pieces of butter. This will take about 5 minutes.
In a separate bowl, whisk the pumpkin puree, heavy whipping cream, egg and vanilla extract until well mixed.
With a spatula, gently stir the pumpkin mixture into the flour and butter mixture until a soft dough forms. When it is cohesive, transfer the dough to a floured surface. Knead three to four times until it comes together.
Pat the dough into a 10-inch by 8-inch rectangle, you can use a rolling pin if you need it, but patting should be sufficinent. Now, cut the rectangle in half along the 10-inch side, now you have two 10 inch by 4 inch rectangles. Cut each rectangle 10x4 rectangle into fourths, parallel to the 4 inch side, so you are left with eight 2.5x4 inch rectangles. Now, cut these rectangles diagonally into two triangles, making 16 scones.
Transfer scones to the prepared baking sheet then bake in the preheated oven for 10 to 15 minutes.