Stand out in a crowd dress

Hi ! I am selling my prom dress , good for bridal occasion that is not the traditional white , birthdays , and of course prom . Was handmade by designer solari it is between 18/20 and 20/22 very fluffy & very long I am 5’10 for reference I am will to negotiate to $800, strapless & has a mesh top that can be cut off. Alterations are up to you:) has a upper thigh slit , was worn once and never again , corset top underneath then has zipper for extra support