Beautiful red prom dress size 6 fits and 8

Beautiful red prom dress. Floor length with a slight train that has a pin up option so you aren't walking on if all evening. Zip up back covered with rhinestones (I will include the extra ones in case of an accident) asking 450 paid 650 retail. Worn once for 2.5 hours nothing wrong with it whatsoever. Size 6 fits an 8. Super comfortable. I'm 5'4 wore 4-5 inch heels and it still hit the ground. Need gone asap willing to trade for the right dress. Price is negotiable