Designer and stylist Lisa Marie Fernandez, after Chloe, Paris, March 2015.
I think this might be a beautiful Vita Kin dress?  In any event, I love this. Fab with flat sandals for a daytime, beachy vibe and with heeled wedges or sandals for evening. 
Recreate Lisa Marie's look (kind of):
Vita Kin Shedevr embroidered long dress
Loewe Large bounce bag