Art-deco “tank” Ring In 18 Kt Gold And Diamonds

Art-deco “Tank” ring in 18 kt gold set with old-cut diamonds. Belgian work around 1920. 18 kt gold ring, the contours of the settings are in platinum. The ring is set with 19 diamonds. The central diamond weighs +- 0.5 carat Quality vvs2 / vs1 Color F/G the central diamond is supported by 2 diamonds of 0.25 carat each. Quality vvs2 / vs1 Color F/ G The total of the diamonds is 1.60 carats. Unpolished frame. Ring size: 56.5 (adjustable) Weight: 16 g Good condition