platinum filigree Art Deco blue sapphire and diamond estate ringplatinum Art Deco filigree c. 1920'sblue sapphire and diamond estate antique ring apx . 70ct diamond SI2 3 near colorless weight estimated by measurement 20 round single cut diamond accents = apx 1. 10ct total diamond weight blue sapphire accents assuming created as common with the era sourced from Mt. Vernon, WA size 6. 75 #10268 Ring can be resized within reason by our local jeweler or likely yours. Please contact us prior to purchasing if you are