We’ll get a metallic ring this time as we have seen in the case of previous element:



Next step includes creating metallic supports for our elements which may be drawn with the Ellipse Tool (U) too.



Be attentive with the Blending Options:

 



Make a copy of the new small sphere and insert it on the opposite side.



Make one more circle with the Ellipse Tool (U):



Make use of the Blending Options presented on the tables below: