Jewelers usually have pretty stringent requirements for surface quality, and none of the FDM-style printers are anywhere close to meeting them. If you don't mind striations across the surface of your pieces, which I suppose have some artistic interest as "marks of process" then maybe they'd work for you. The Form1 is a SLA printer, and it builds in finer layers, but they are still pretty evident. I'd suggest sending some files out for printing on any machine you're interested in before buying one, so you get a realistic idea of what to expect.

Are you planning to burn out the resin and cast metal parts, or are you making plastic jewelry? If you want to burn them out, it's critical to use a material that doesn't produce ash residues in your mold, which will show up as holes in your castings. None of these printers uses a material that burns out cleanly in a normal investment, so that's another thing to consider. Have you looked at the B9 creator? It's a little out of your price range, at about $5k for an assembled unit, but you can save money by building it yourself from the parts supplied. It uses resin that burns out cleanly, and can give good detail with little striation.

Andrew Werby
www.computersculpture.com