A French, ruby and diamond cluster ring, the central oval mixed-cut ruby with brilliant and marquise-cut diamond asymmetric design surround to a plain hoop with crossover shoulders, French assay and indistinct maker's mark to hoop, ring size K

A French, ruby and diamond cluster ring, the central oval mixed-cut ruby with brilliant and marquise-cut diamond asymmetric design surround to a plain hoop with crossover shoulders, French assay and indistinct maker's mark to hoop, ring size K
French assay marks for 18ct gold and platinum, gross weight 5.3 gr, ruby 7 x 5.6 x 5.4 = 1.85 carats, medium purplish red (looks better in real life than the image), good clarity, diamonds approx 1.00 carats in total, H/I colour, Vs clarity on average.