White iphones cases are a must when photographing reflective surfaces.
White iPhone Cases
I use this all the time for shiny jewelry photographs outside. The smallest version is for your iPhone. It removes most reflections and highlights the object perfectly.
V-Flat World Light Cone Photo Flash Diffuser
I take photos outside wearing my jewelry. I like the larger oval shape reflectors versus the smaller round ones. You can bend the reflectors, if you need to. Their larger size allows more surface area to reflect light and you can lean them around obj...
Reflectors - Lighting Controls & Modifiers
This is a bit of an investment; however, I love the domed shape. You also have a turn-table if you need it for videos. I use this mostly with my iPhone.
Foldio360 Smart Turntable
Do you need to take photos with your hands to display your jewelry? Do you have dry looking skin? This lotion does wonders. I keep this in my studio and apply it every time I wash my hands. I also apply just before taking pictures. It helps!