Handcrafted jewelry makers -- like professional baseball players --sometimes get into slump where it seems they can't do anything right.
Even when it appears you are in a rut, there may be areas where you can get traction: Things you are doing now (and that you have done in the past) that are successful and should be expanded upon.
So how do you get out of a jewelry making sales slump? That's a question I answered recently as the jewelry marketing expert for Fire Mountain Gems, and you can see the explanation here:
http://www.firemountaingems.com/asktheexperts/default.asp?navsrc=1
If you have your own examples of how you got out of a sales slump, please post them as comments below!