diamond and ruby ring

An exquisite 18 carat gold Edwardian ring set with two high old cut diamonds (each app. 0.4 carat, color F-G, vvs) with in the center a deep red natural unenhanced ruby (circa 0.6 carats), signed: Tiffany & Co., V.S., circa 1905.

weight: 2.5 gram
ring size: 17 mm. 6 1/4 US.