From Wikipedia.
Isabel wears tasseled ornaments at the sides of her coiffure above a compact, but tall, ruff and a square, not triangular, upper bodice panel.
Keywords: 1632, Velázquez, Isabel Bourbon, Princess, Queen, Bourbon family, Habsburg family, Spanish, saya, jeweled headdress, high enclosing neckline, ruff, buttons, tabbed sleeves, hanging sleeves, long close sleeves, cuffs, tabbed bodice, basque waistline, jeweled bodice ornament, bracelets, rings, fan