A skylight system including a support frame and an apex patch fitting that together support a plurality of glass pieces joined together in a selectable shape. The support frame includes a sill and a setting chair that are arranged to support the base portions of the glass pieces. The apex patch fitting may be of selectable shape and includes an upper and lower member to retain the peaks or corners of the glass therebetween. The apex patch fitting includes one or more positioning keys to align and secure the glass pieces. A method of making the skylights includes the use of an apex retainer tool to maintain the apex patch fitting in a fixed position while placing glass pieces on it. Multiple apex patch fittings can be used for a skylight, including a skylight that is ridge shaped or hipped ridge shape.