From forum.artinvestment.ru.
Eleonore wears a substantial brooch on the left shoulder of her saya in this 1623-1624 Sustermans portrait. There is a hint of hanging sleeves in a pair of diamond-shaped ornaments below her lower arm and above the dog.
Keywords: 1623, Sustermans, Eleanor Gonzaga (1630-1686), Gonzaga family, Habsburg family, Princess, Empress, frizzy coiffure, jeweled headdress, high enclosing neckline, neck ruff, lace, tabbed sleeves, hanging sleeves, back flared cuffs, girdle, basque waistline, farthingale, saya, necklace, earrings, pendant, brooch