A lifting device intended to be attached to a lifting element during an operation of lifting a prefabricated wall panel, the lifting device including: - a bearing part configured to be removably received in an arrangement defined by at least one brick of a plurality of rows of bricks forming the prefabricated wall panel, and to bear against a lower portion of at least one brick of the plurality of rows of bricks, the bearing part including a passage opening configured to be located opposite an inner duct which is defined by the plurality of rows of bricks and which extends substantially parallel to an elevation axis of the prefabricated wall panel, the passage opening being configured to enable the passage of a lower end portion of a lifting element extending in the inner duct, the bearing part also including a gripping portion configured to project out of the arrangement provided on the prefabricated wall panel and from a lateral face of the prefabricated wall panel when the lifting device is in use configuration in the prefabricated wall panel, - a retaining member configured to be arranged below the bearing part and to extend across the passage opening, the retaining member being configured to bear against two stop surfaces which are provided on the lower face of the bearing part and which are located on either side of the passage opening, the retaining member being configured to be removably inserted into a hooking element equipping the lower end portion of the lifting element, such that, when a pulling force is exerted on the lifting element, the retaining member bears against the two stop surfaces provided on the bearing part, - locking means configured to lock the retaining member on the bearing part, and wherein the locking means include at least: - a locking opening which is through and is located on the gripping portion of the bearing part, - a locking orifice provided on the retaining member, the locking orifice being through and being configured to face the locking opening when the retaining member bears against the two stop surfaces provided on the bearing part, and - a removable locking member which is configured to extend through the locking opening and the locking orifice so as to lock the retaining member on the bearing part. - a bearing part configured to be removably received in an arrangement defined by at least one brick of a plurality of rows of bricks forming the prefabricated wall panel, and to bear against a lower portion of at least one brick of the plurality of rows of bricks, the bearing part including a passage opening configured to be located opposite an inner duct which is defined by the plurality of rows of bricks and which extends substantially parallel to an elevation axis of the prefabricated wall panel, the passage opening being configured to enable the passage of a lower end portion of a lifting element extending in the inner duct, the bearing part also including a gripping portion configured to project out of the arrangement provided on the prefabricated wall panel and from a lateral face of the prefabricated wall panel when the lifting device is in use configuration in the prefabricated wall panel, - a retaining member configured to be arranged below the bearing part and to extend across the passage opening, the retaining member being configured to bear against two stop surfaces which are provided on the lower face of the bearing part and which are located on either side of the passage opening, the retaining member being configured to be removably inserted into a hooking element equipping the lower end portion of the lifting element, such that, when a pulling force is exerted on the lifting element, the retaining member bears against the two stop surfaces provided on the bearing part, - locking means configured to lock the retaining member on the bearing part, - a locking opening which is through and is located on the gripping portion of the bearing part, - a locking orifice provided on the retaining member, the locking orifice being through and being configured to face the locking opening when the retaining member bears against the two stop surfaces provided on the bearing part, and - a removable locking member which is configured to extend through the locking opening and the locking orifice so as to lock the retaining member on the bearing part.