Art Deco Sapphire & Diamond Square Cluster Ring Size:9 It's a cast Vienna bronze

It's a cast Vienna bronze

and the character

Given the subject and relatively large finger size

features wonderfully intricate detail: plumes of black mineral growth permeating through the beige silicate host

Art Deco Sapphire & Diamond Square Cluster Ring Size:9 It's a cast Vienna bronzeDATE: Art Deco, c. 1920 Cute Art Deco cluster ring with an (unusually) square shaped head (they're usually round or oval). The central sapphire is a vibrant royal blue colour, beautifully complemented by the icy white diamond border. It dates from the early 1920s, crafted in 18 karat yellow gold with stones set in platinum. While the diamonds are natural, the sapphire is "lab grown", meaning it's the same mineral composition as naturally occurring