My wife loves these earrings and they have not caused any bad reactions in her ears.  She has sensitive skin and cheap earrings do usually cause a bad reaction.  They sparkle nicely and are a decent size (2 cttw).  I couldn't tell the difference, and I guess most men couldn't between real and fake diamonds either.  The only real telltale sign is that they came in a small cheap pouch in an unadorned box.