Same here!I have a wide ball of foot area and a narrow heel and I can't wear d'orsays of any brand, including CLs. Basically if I try on a pair that keeps my heel in tight so I don't walk out of them, they are so tight on my toes that it cuts of my circulation. If I get them so by tootsies are comfy, I walk right out of them, even with two heel grips.
That being said, there are plenty of women on here who seem to have no problem with d'orsays, so I guess it all depends on your foot.
Why don't you ask them for some measurements, and compare them to some of your own shoes?