A vented or decorative finger ring and its method of manufacture that employs a co-injection mold casting of the vented or decorative finger ring that is formed with joined outer and inner rings where the inner ring includes a plurality of interconnected lateral and longitudinal slots or grooves, where the lateral slots or grooves are space apart and extend from the inner ring edges that each connect to a series of linked longitudinal slots or grooves formed around the inner ring that extend to the inner surface of the outer ring, forming air flow paths across the inner ring, between the inner ring edges.