Art Deco 18K white gold filigree .41ct diamond ring. The GIA report #2231041985 states circular brilliant cut natural diamond measuring 4.78mm x 4.94mm x 2.79mm with G color and VS2 clarity. There are 2 triangular French cut synthetic blue sapphire paste accents. The ring fits a size 6 1/4 finger, weighs 1.79dwt and dates from the 1920's.