Art Deco platinum diamond & sapphire plaque brooch. 3 old European cut diamonds milligram set with a further 56 rose and Dutch rose cut diamond bead set, as well as 16 blue sapphires rubber set to body of the oval plaque mount. Old European cut approx. 0.37ct rose cuts approx 0.60ct, diamond total approx. 0.97ct sapphires approx. 0.30ct (W9.73g approx)