Jewelry retouching is editing jewelry images with photo editing software. Jewelry retouchers usually use Photoshop to retouch images.
It is a several steps process.
Cutout the image from background
Remove imperfections with clone, brush Photoshop tools
Adjust the colors with color balance, hue saturation, and other tools in Photoshop
Sharpen the images with sharpen, unsharp mask
Adjust the exposure with exposure, curves in Photoshop
Save image as PSD format and also jpeg format for quick viewing or usage on website.
More info about jewelry retouching
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