Mary Tudor, Queen of France as a girl by ? (location unknown to gogm)
From Wikimedia.
While not revealing a great deal about dress, this close up shows early 1500s jewelry and how it relied on gold, pearls, and colored stones (diamond polishing was well beyond the technology of the day). The next image shows the upper part of this dress.
Keywords: Mary Tudor - Queen of France, Tudor family, Valois family, Brandon family, Princess, Queen, Duchess, straight coiffure, bandeau, square neckline, necklace, shallow necklace, clasps