Average weight 5.2 grams Metal: Silver <-- Split -->Diameter 46.4 x 57.0mm. Width 1.8mm Width of cones 8.1mm Width is width of thickest point along the band, unless stated otherwise. <-- Slit --> Hallmarking Guide: Sterling Silver less than 7.78g not stamped but has a 925 mark. More than 7.78g stamped.