Art Deco platinum filigree ring featuring an European cut diamond weighing 1.31cts with GIA report. GIA report #2221447074 states Q-R color and I1 clarity. and measurements of 6.86mm x 6.98mm x 4.23mm. There are 4 specialty calibre French cut long baguette synthetic blue sapphire accents. Additionally there are 20 small round diamond accents measuring about 1.5mm. The ring fits a size 5 finger, weighs 2.53dwt. and dates from the 1920's.