This great stacker ring from Mimco will give a variety of options.
Statement or subtle the choice is yours.
Luxathon ring stack
this is the complete ring
here are some of the individual pieces
you have a number of options to consider
A great statement
Two Size Options, Inner Diameter Large – 18.10mm or Inner Diameter Medium – 17.35mm
Composition: Metal Alloy And Crystal
Mimco $129 here
For store location check out the link here
International postage is also available.