Nunn Design ring bases are available in two colour finishes – plated with 999 silver or with 24ct gold. Nunn Design ring bases can be found in two sizes, that is 7 (17,3 mm) and 8 (18,2 mm). Rings either have a special setting that you can fill with Crystal Diamond crystal resin, or a thin frame that you can either leave empty or fill it with special Glass Lack crystal resin, which is designed for thin findings.