Valentino Garavani Rockstud Slingback 100mm Pump

Pantent Lether，Pink，37EU Original price $995 plus tax Brand new shoes purchased from valentino store. A little bit small for my feet. Have passed ten days and couldn't return or exchange because of the store policy. My feet are exactly size 7 medium width. Suggest half size bigger for the heels from this brand and regular size for flats.