Art Deco Emerald & Diamond Square Cluster Ring Size:3.5 and dates from the latter

and dates from the latter half of the 19th century

while I can't find an exact match

and dangle freely from the domed tops

and set over foil in closed back settings to enhance their colour and brightness

with bright vibrant colourful flashes over a pale blue body

Art Deco Emerald & Diamond Square Cluster Ring Size:3.5 and dates from the latterDATE: Art Deco, c. 1920 A striking Art Deco era cluster ring, the square head set with a central emerald and old cut diamonds. The stones are set in platinum, and the outer edges of the border follow the shapes of the stones. The gallery is open worked allowing light in behind the stones to further enhance the brightness. The band is modelled in 18 karat gold with platinum shoulders, and the piece dates from the 1920s. STONES Approx. 0. 31ct Emerald