Remember the Star Trek Replicator, where they could make copies of objects appear in mid air? Well, American Pearl has launched their Jewelry Replicator. With Jewelry Replicator, customers can upload their pictures of jewelry, perhaps a piece Grandma was wearing in an old photo, or a necklace they lost years ago. Jewelry Replicator then will 3D print you a copy of it.
http://3dprint.com/2885/jewelry-repl...print-jewelry/

It works by turning the images in the pictures into a 3D CAD model. They then print a mold from that model, and cast your custom piece. Check out an example of a necklace they replicated with the technology: