Vintage platinum Art Deco 4.46 CTW Diamond and Sapphire Brooch with a bezel set .87 carat center diamond having I1 clarity and J color, circa 1920. This Art Deco brooch is also pave set with 116 Old European cut diamonds at 3.59 carat total weight having VS1 clarity and H color. The Art Deco platinum brooch is bordered with 109 channel set square princess cut sapphires of fine quality at 1.19 carat total weight. This Art Deco diamond sapphire brooch is a very intricate piece that has a wonderfully detailed design and a sleek yet elegant presence. Total diamond weight of this brooch is 4.46 carats. The diamond sapphire platinum brooch weighs 16.30 grams and measures 56.5mm by 21mm. This Art Deco diamond platinum brooch is appraised at $18,835.