This Long Link Chain is a classic that can be worn by itself or with charms, pendants, and/or medallions.  

Small: 5 mm x 2 mm *Yellow gold 16", 18", and 20" in stock and ready to ship

Medium: 9.5 mm x 3 mm *Yellow gold 16", 18", and 20" in stock and ready to ship

Large: 13.5 mm x 4 mm