Try this one:

http://mongerdesigns.com/

I've never used them personally, but they are very active on CAD Jewelry forums posting pictures of prints and finished pieces. It says on their site that they use Form1+, Solidscape, 3D Systems, and Envisiontec printers.

Where are you located? If you're in the Dallas/Fort Worth area I've got a local guy that does great work but they don't have a website.