This brooch is fashioned from Platinum and 14K yellow gold. It is set with old European and old mine cut diamonds. The diamonds are set in platinum and the back plate and pin closure is 14K yellow gold. The center diamond is a modified old mine cut shape. Small European cut diamonds are bead set in a cutout milgrain filigree long brooch mounting. The diamonds rate SI2 clarity, I-J color and approximate total weight of 2.57 carats.