have you browsed through the AshaDiamonds.com / MoissaniteCo.com gallery ?
some of the rings have Moissanite centers, others have Asha centers, and it's not just rings, but you'll be able to see all sorts of pieces with all sorts of side stones:http://betterthandiamond.com/discussion/...s_Ph#Post578399
and some of the rings on the BTD website have videos of the rings, set with Asha center stones, and natural diamond sidestones.
here's my ACC Asha with diamond halo, taken in crappy lighting:
and in prettier lighting:
the diamonds in my ring aren't the best quality, but it's only something i can tell in these super-magnified photos.