Stylish and finely detailed French Retro Natural Pink and Blue Sapphire Brooch Pin. The Blue Sapphires are calibrated square cuts and the Pink Sapphires are old European round cuts. Hand crafted 18 Karat yellow Gold mounting. There is not a 750/18K mark, but it has been tested with an XRF machine to 18K and the French hallmark is stamped at the bottom of the ribbon. This pin is in excellent condition and recently professionally cleaned and polished. Breathtaking...Much more Beautiful in real time...A must have Heirloom you’ll enjoy for many years to come!