Ring Tank in gold, sapphires and diamonds

Ring at yellow gold and 18-carat white. Set with diamonds 0.90 carat brilliant-cut natural sapphires and faceted-cut natural sapphires, French hallmarks from the 1950s. The ring measures 25.23 mm wide, 17.66 mm high and 10.68 mm thick. The shank measures 6.15 mm wide, 0.66 mm thick and the finger size is 18.