Edwardian diamond and tourmaline ring

An Edwardian period 18 carat goild ring with six old single cut diamonds and four carre cut tourmaline stones. The diamonds are .09 carat in total, VS in quality and H in color. The setting measures 7.5 mm square. The ring size is 17.00 mm, the size can be modified if necessary. There is some surface wear to the tourmaline stones, otherwise the ring is in good condition.