UK Size 12.  My mannequin is a size 10 to 12 for fit reference.

Stone colour - silvery grey

sweetheart neckline with jewels along the trim and stunning jewelled back detail

Gathered bust & back for flattering shape.

stunning dress - photos do not do it justice.  Perfect for prom or special occasion. 

Approx measurements:

17" pit to pit

53" length of dress