I wear a USA 13 and when I bought my first pair of LV shoes (spa monogram mules) she said go down size, so I have a 12 and it fits fine... I bought my Panama thongs and I wear a 10. 5 in those... and the Chrono shoes LV makes... I am a 9.5 in those and the running shoe I am a 10 I think... every shoe is different on me when I go there. I have wanted to buy shoes off eluxury before or other sites like neimans or saks but am afraid too do so because going down one size like I was told to do and what the charts say are way off.
I think it's best to try them on, I feel each style is different so you would want to get a perfect match! i agree that the charts are off, so I never trust it. It's best to trust your feet, heehee!