The current price for various sizes of granite products in Nigeria this year 2020 are given below: The price for 20 tons' cargo of 1/4-inch granite is between N70, 000 - N75, 000. Then, the cost of 20 tons' cargo of 3/4-inch granite is N80, 000 - N90, 000. While the price for 20 tons' cargo of 1-inch granite is N85, 000 - N90, 000.