Vintage ruby and diamond stylised bow ring in gold

Vintage ruby and diamond stylised bow ring in 18kt yellow gold. Set with three rows of square step cut rubies in channel settings, further decorated with three rows of round brilliant cut diamonds in grain settings, to a diagonal crossover design, featuring three-dimensional settings, polished gallery and flanked by integrated trumpeting shoulders which taper and smooth to a solid shank. Estimated total ruby weight 1.10cts. Estimated total diamond weight 0.40cts. Marked 18kt gold.