A woman stands in three-quarter view, her hands folded quietly at her waist, dressed in the austere black and white habit of a nun. Her face is pale and solemn, framed by the deep black veil that falls heavily over her shoulders and down her arms. The white wimple and collar sharply contrast with the darkness of her clothing, catching the light that falls from the left and illuminating her features.

Her gaze is steady and direct, her lips pressed in a reserved, almost severe expression. A knotted cord serves as a belt, its texture rendered with careful, fine brushwork, and a simple ring is visible on her finger. Behind her, a monumental architectural setting is suggested by pale stone columns, their surfaces smooth and cool in tone.

To the left, a heavy brown curtain embroidered with gold patterns hangs in deep folds, its rich surface painted with loose, fluid strokes that contrast with the crisp lines of her habit. The muted background and limited palette focus attention on the sitter, while subtle variations in the blacks and greys of her clothing reveal the artist’s control of light and shadow. The paint is applied with a smooth, almost polished finish, especially in the rendering of her face and hands, where the skin appears luminous against the somber tones of her dress.

The composition is tightly framed, the figure dominating the canvas and standing upright, her presence formal and dignified. This portrait, made in 1630 by Anthony van Dyck, depicts Isabella Clara Eugenia of Spain, who is shown here in the religious habit of a nun.