For your convenience we have to combine in a group all the layers composing the ornament. The Opacity on the group’s layers should be of 70%.
Make a copy of the new made group and choose the Free Transform option to turn it over and place it the way it is demonstrated next picture.



Using the Ellipse Tool (U) we need to draw several more circles giving volume to our sphere.



Fill 0% on the layers.
Blending Options-Gradient Overlay



Gradient’s parameters:



Make a copy of that new layer represented earlier and apply again the Free Transform selection to make it smaller and place it the same way it is indicated next image.