Woodbridge Antiques has dated this piece to the 1930s.
The scroll shoulders with straight grooved detail curl around either side of the diamond setting, mimicking the circular detail and creating a striking deep gallery.

The combination of round and square features is so 1930's. This is a beautiful design with great panache.
In lovely vintage condition.
The ring is marked 585 and tests as 14 carat gold.
Measurements: Ring Size L
Maximum width across setting: (Shoulder to shoulder) 1.6 cm Weight: 2.45g
All weights and measurements are approximate.
Woodbridge Antiques has dated this piece to the 1930s.
Specialists in quality antique silver, fine jewellery & accessories
You can view the stock and full dealer information on the Woodbridge Antiques Profile Page