You can use a high-resolution camera and take a pic of any fingerprint. For better clarity, scan the fingerprint or take a picture of a finger impression from a document. The clearer the image is, the better it will be engraved on the jewelry piece.
Fingerprint jewelry is not unique but a sentimental accessory that helps you cherish all the goodness in life. If you want to create an heirloom fingerprint jewelry item with the finest quality, here is what you can do: