From Wikimedia.
Maria wears a simple Empire era dress with a seductive sweetheart décolletage with a pleated bodice.
Keywords: 1793, Gérard, Maria Vasilchikova, Vasilchikov family, Kochubey family, Russian, curly coiffure, bandeau, sweetheart décolletage, pleated bodice, puffed quarter length sleeves, Empire low waistline, close skirt, necklace, earrings, wrap