Unfortunately, escaping reflections in jewelry photography is a trial-and-error theory; there aren't many theoretical ways to avoid reflections in jewelry photography. Photographing jewelry (well) requires the use of specialized equipment and knowledge of several photography techniques. Photographers often photograph reflective objects, such as jewelry, carefully placing the jewelry and looking for angles from which to photograph, in order to minimize distracting elements (including the photographers themselves). Shutter speed doesn't matter much for e-commerce product and jewelry photography, since there's no movement to freeze or capture, unless, of course, you introduce movement for creative purposes.
The other technique, placing an off-camera light source at an angle of 45 degrees relative to the subject and the position of the camera and using a flat V to bounce light off the subject, works just as well for both portrait photography and jewelry photography. Although it's complicated, mastering the laws of reflection and understanding how variations in jewelry lighting affect jewelry is a sure way to avoid unwanted reflections. Review your knowledge of the basics of light and other lighting techniques for jewelry photography to identify which approach fits your subject. Jewelry photography or photography, in general, consists of capturing beautiful subjects using available light.
If the reflection is not destructive, you can use it to perfect your jewelry photography. Therefore, to avoid these types of unwanted reflections in jewelry photography, we must find ways to avoid reflections when photographing jewelry. However, with a little guidance and practice, you can add quality jewelry photo capture to your “to do” list.