To clean your gold jewellery simply soak it it a mixture of warm water – with a few drops of soap in it for about 15 minutes. After that, take it out and simply scrub it for a few minutes before rinsing it under warm flower water (low pressure). Use a gentle hair dryer to dry it.
For Gold that does not shine, it may need to be taken care of professionally by the staff of Tarun Jethi jeweller, which is the perfect destination for you.