Help recalling the name of a 2000s doll line

Hello all! I have been trying to recall the name of a certain doll line from the early 2000s, but have had zero luck on my own and infinite combination of search terms. I hope y'all might graciously lend your doll expertise to help point me in the right direction. I recall owning many dolls during the late '00s with the following characteristics: they were small in size (~2-3'' tall) and depicted young girls (like Kelly-age and design), fabric clothes, and they distinctly all came with rigid plastic cases (maybe shaped like gems?) that you could store/carry them in. I also remember some of them having a sort of international/multicultural theme, like some were girls representing various countries? I realize this is NOT a lot of information to go off of, but I'm at such a dead end in my search, I would appreciate any leads I could get. Thank you all so much in advance and I apologize for crowding your subreddit with my inquiries. Happy collecting!