(20) Star of Este
Though a comparatively small stone, in weight 25½ carats, it is noted for its perfection of form and quality. It belongs to the Archduke Franz Ferdinand of Austrian-Este, eldest son of the Archduke Karl Ludwig.
Though a comparatively small stone, in weight 25½ carats, it is noted for its perfection of form and quality. It belongs to the Archduke Franz Ferdinand of Austrian-Este, eldest son of the Archduke Karl Ludwig.