Madeline Gardner Beach unclassified dresses

Madeline Gardner White Ivory size 10 Mermaid style. Beading is intact, train has glitter details, and back piece is see through design. No alterations were made. I am 5 foot 3 inches, I wore 6 inch heels when I tried the dress on and there was plenty of material.  Was purchased in February of 2017 for $1450. Never worn, still in protective bag with orginal tag. Asking $1250 OBO.