I have seen images of this dress called a Spanish or a French dress.
From pinterest.com/cjgraber/history-dress-1700s. Also posted to the Reign of Louis XV - 1715 to 1774 Album here.
The dress does not have the back flap of a robe à la française or the draped over-skirt of a mantua.
Keywords: lace-trimmed jacket vodice, three quarter length close sleeves, lace-trimmed turned back cuffs, lace engageantes, peplum, stomacher, square neckline, vee waistline, panniers