Art Deco Platinum Diamond Sapphire Filigree Brooch

This is a beautiful original Art Deco brooch with an intricate filigree design. The brooch is set with 1 old mine cut .12 carats, 36 rose cut diamonds and 2 French cut sapphires. The front of the brooch is platinum the back is yellow gold. Diamonds average I color SI-1 clarity total gem weight .58 carats, Weight 4.6 grams, Measures 46mm by 15mm,