Retro Convertible Pin & Earrings Adorned with 48 Calibre-cut Rubies, Set in 18Kt Yellow Gold Accented with Platinum, Marked "Tiffany & Co. Paris." The pins can be worn separately or as one 2 inch brooch. The ear clips measure 16.5mm x 15.5mm. Total weight for the set is 23.0 grams.