need a logo for a new trading name of a jewelery name

We r a silver wholesale jewelery company in Australia . We want to re launch our old company with a new name which is also our family name. The company is Australia based. Do no need a very flashy logo . Need a simple smart logo . Don\\\'t have much ideas on color combinations or design in particular .plus advice project options of as in what all will be needed. Please advice options needed if there is other then logo . As in email signature or business cards etc etc