Reposition: Use right mouse key to drag or use two fingers and click to get 4 arrow cursor.
Zoom: Use mouse wheel or two fingers and slide them out/in OR take two fingers and slide up/down.
Rotate: Move cursor to jewelry, click and drag to desired rotation.

This will turn on the camera. Align yourself with the jewelry and capture a photo. You can then rotate, zoom in and out the jewelry just like it's real!
Customize the Jewelry  Customize the jewelry with different materials and gems. You can also customize in try on view.