Apple might be bringing a sapphire display to the market after all, but you’re going to have to pay a premium to get your hands on it. The Wall Street Journal reports that Apple is considering putting sapphire screens on premium versions of the 4.7-inch and 5.5-inch iPhone 6 models this fall if the necessary supply is available. FROM EARLIER: Another major iPhone 6 component revealed in new leak Apple has reportedly invested over $700 million in the development of sapphire displays, leading analysts to postulate that not only will the Cupertino company follow through on using the material in its new products, but also charge more in order to recoup on its investment. If sapphire displays are in fact significantly sturdier than Gorilla