Platinum (850 thousandths) jabot pin, forming an aigrette in a foliate scroll and sinuous volute design. It is set with a half-set square cushion-cut sapphire and entirely paved with old-cut and 8/8-cut diamonds. The pin is in white gold (750 thousandths). Circa 1905/10. (minor traces of restoration, chips). Sapphire weight: 4.50 cts approx. Gross weight: 10.4 g. - Length: 9.8 cm.