Hm, now i finally figured out what didn't quite match with my memory when looking at your gems on the rings. I hope it's ok if i say this, plz don't hit me or something. But u should have a very very small bevel at the edge of each facet on the gemstones to get the correct "look", otherwise i don't think you will get proper refractions/reflections on them.
But if i'm wrong which i probably am then i am truly sorry and i apologize in advance. However i can't get that outta my head that it don't look and feel right. Sorry