How much does a Peach colored Italian Marble countertop usally cost?

I juss wanna know how much it is sq ft. because my moms kitchen really needs a remodel because our house is like 40 years old. Okay not that old but in her former house she had to sell because of family issues she had a Peach italian marble countertop and she loved it and she doesnt know i'm looking to remodel her kitchen & she lives for cooking so i havent really found anything on google? Please answer no rude comments qot somethinq to say qo say it somewhere else.Thank youuu . ?