NM Estate Tiffany & Co. pin Approx. 2.25" long x 1" wide Platinum with a polished finish 36 prong-set round blue sapphires 74 graduating white diamonds Sapphire total carat weight: 5.50 Diamond total carat weight: 3.25 14-karat yellow gold pin stem Please note: Square pegs to square holes; round pegs to round holes. Do not force. Circa 1940s Made in USA