If you need production finish on some items, it is possible. In general you need to be aware of the finished Sterling Silver and CZ market.  Many times you will see items extremely inexpensive on the market.  This is due to a few reasons:

• Made in China; Chinese manufacturers are making molds first, then are casting from a wax rather than a 3D printed resin, therefore there is no 3D printing cost;
• CZ’s are made in china,  due to casting in wax, they are able set the stones directly in the wax prior to casting.  This keeps setting costs extremely low.