You might want to page through the Somerville Open Studios website (http://www.somervilleopenstudios.org/artists/artist_list.php?searchType=medium&mediumType=Jewelry) (this link takes you directly to the sort for jewelers). You can see a lot of different S'ville local artists with links to their websites, so you can get sense of their work.