Average weight based on 17 lenght
Average weight - grams depending on the product Metal: 9ct Gold <-- Split -->chain width: 1.1mm Cross: 15.5 x 7m m <-- Slit --> Hallmarking Guide: Gold less than 1g not stamped. More than 1g stamped. Hallmarking Guide: Sterling Silver less than 7.78g not stamped but has a 925 mark. More than 7.78g stamped.
