An 18 Karat Yellow Gold, Chrysoprase, Dyed Chalcedony and Diamond Ring, Cartier, Circa 1990, containing one oval cabochon cut dyed blue chalcedony, two carved chrysoprase and 16 graduated round brilliant cut diamonds weighing approximately 0.25 carat total.Engraved: Cartier 750 53 Cartier 1990 924442.Accompanied by a red case signed Cartier. 6.00 dwts.