Pretty. I like the angle you chose, not one usually used when advertising rings (I usually see top and side shots). All the shine from the diamonds makes it look oof.
A little bit shallower DOF would have made the photograph a lot better. Gives the impression of being out of focus and not really drawing your attention to the Verragio line.
I like this photo but I think it would've benefited from being a little more sharp on the diamond area. Try adding a little sparkle of light in that area next time, instead of in the back.
Nice bit of the star flare! The whole product needs to be in clear, crisp focus for a product shot, and in "the real world" you'd negate all reflections, either via use of a light tent or post processing. (Commenting only.)