Antique diamond ring. Set with one round old cut diamond, K colour, VS1 clarity with an approximate weight of 1.78 carats, in a fancy claw open back setting, to an elegant pierced foliate design collet, round backholing, tapered shoulders with cheniers flowing through to a slim shank. Marked platinum, indistinctly numbered, French, circa 1910, accompanied by HRD Antwerp report #180000147968.
