Pick 1-2 colors for best results, you can mix and match not only colors but materials as well. Check out the Exotic Inlay Materials as well.
We carry a wide selction of colors some with small variations other with more drastic variantions. For a more detailed look at the colors please visit the Opal Inlay Gallery Page. 
 
If you would like help deciding on what colors are going to go well together or exotic materials will work well with them. Please reachout via our Contact Us Page and we will be more than happy to help design your ring.