A Chinese jadeite ruby & diamond circular panel brooch, set with a central certificated untreated Burmese cushion cut ruby weighing approximately 0.69 carat, within a petal border of diamonds, with an outer border of alternating cushion cut rubies & rose cut diamonds, 1.25ins. (3.2cms.) diameter, with GCS report stating that the ruby shows characteristics consistent with rubies originating in Myanmar (Burma) and shows no indications of heating.