I have not located a coronation portrait that precisely matches this figurine.
Keywords: 1838, Stuart, Queen Victoria, Queen, British, Hanover family, Wettin family, straight coiffure, tiara, scoop neckline, modesty piece, quarter length puffed sleeves, engageantes, lace, full skirt, flounces, necklace, earrings, jeweled bodice ornament, bracelets, robes