Tank ring with diamonds in 18-karat white gold (750) and platinum. Tank ring set with a synthetic blue spinel of square cut. The spinel faces two lines of four old-cut diamonds (eight diamonds in total) set on a raised roll. The ring has harmonious volumes, sometimes rounded, sometimes geometric, typical of this period. Tank ring, circa 1940.
Owl hallmark (French state hallmark for 18-karat gold)
Finger size: 52 EU or 6 US (resizeable)
Estimated weight of diamonds: 0.46 ct
Estimated weight of synthetic spinel: 2.5 ct
Condition: scratches from use
Weight: 7 gr
*The antique box is not sold with the jewel*