Interlocking masonry brick

An interlocking masonry brick having a front surface, a backing, an upper interface, a lower interface, a left interface and a right interface comprising:

• a. a carved natural stone façade forming the front surface;
• b. a backing layer comprising a first backing layer of concrete having a density of 2200 kg/m3 and a second backing layer of concrete having a density of between about 200 kg/m3 and about 1000 kg/m3;
• and
• c. an intermediate layer sandwiched between the carved natural stone façade and the first backing layer or the second backing layer, the intermediate layer deposited onto the carved natural stone façade, wherein the second backing layer is deposited onto the first backing layer, wherein the lower interface defines a groove configured to receive and engage a tongue defined by the upper interface of an adjacent brick, and wherein the left interface defines a groove configured to receive and engage a tongue defined by the right interface of an adjacent brick, the upper, lower, right and left interfaces comprised of concrete that is different or the same as the concrete of the second backing layer.