A richly dressed woman sits in three-quarter view before a window, her gaze directed away from the viewer toward a distant point. A double strand of pearls hangs from her neck, fastened at the chest with a large jeweled clasp from which a teardrop pearl is suspended. Her right hand rests on her lap, displaying a ring, while her left hand delicately holds an open book, its pages slightly parted as if she has just paused her reading.

Her hair is styled in rigid, orderly braids, crowned with a jewel-topped headdress that sits above her forehead. The background features a heavy, patterned curtain on the left and, through the window to the right, a landscape of rolling hills and distant blue mountains under a soft, clouded sky. The light falls evenly across her face and upper body, illuminating the pale skin and the textures of her dress, while the shadows behind her add depth to the scene.

The composition balances the opulent interior with the cool, receding landscape outside, creating a contrast between the warm reds and golds of her attire and the greenish and bluish tones of the view beyond. A thick gold-embroidered border runs along the edges of her velvet sleeves and bodice, catching the light with its intricate patterning. The curtain on the left displays a large, swirling floral motif in muted gold against a deep red background, with visible folds and creases.

The landscape outside the window includes clusters of dark green trees and a patch of sunlight illuminating part of the hillside. The paint handling on the woman's dress varies from smooth, blended transitions in the velvet to more textured, visible brushstrokes in the gold embroidery and lace. This portrait is the work of Titian, completed in 1548 and known as the Portrait of Isabella of Portugal. The Museo del Prado identifies the sitter as Isabella of Portugal and notes the presence of a book and gemstone among the depicted objects.