Antique diamond ring set with two round old-cut diamonds approx weight 1.60 cts, illusion set between a row of eight rose cut diamonds weighing 0.16cts with a combined approximate total diamond weight of 1.68 carats. The diamond set collets are detachable with earrings fittings and a tool to convert them into studs, French marks to shank ,all in platinum & yellow gold, circa 1905.
