ring skull weight ring size 16mm - silver 11.09g. gold 13.74g ring size 17mm - silver 12.48g. gold 15.51g ring size 18mm - silver 14.81g. gold 18.41g ring size 19mm - silver 17.42g. gold 21.65g ring size 20mm - silver 20.32g. gold 25.26g ring size 21mm - silver 22.4g. gold 27.85g ring size 16mm - silver 24.58g. gold 30.56g 3dmodel chain design gentsring jewelry ladiesring printable ring unique