Art Deco Platinum 18K Gold Diamond Filigree Ring

This is a beautiful original art deco ring c.1930. The ring has intricate filigree work nice design. The ring is set with 3 old mine cut diamonds and 8 rose cut diamonds. Center diamond .18 two sides .15 carats I color SI-1 clarity. Ring is in good condition small portion of filigree missing. Ring Size 8.5, Weight 3.5 grams, width 13mm