Geez there are at least a dozen different gem/diamond puns I can use for a Rarity pic that I still haven't gotten to yet, this being just one of many! Oh well, more sexy Rarity art is never a bad thing. :3
This is actually an edit of the 4th panel in this comic:
Was just looking through my folders and saw it and decided to do this but didn't plan on having it look so celestial. Then again, this is Rarity, putting her in a fabulous photoshoot scenario is pretty much obligatory nowadays. Everyone gaze upon her beauty!
MLP © Hasbro
FiM © Lauren Faust