BURMA RUBY AND DIAMOND RING, BY GÜBELIN, ca. 1970. Platinum 950. Set with 1 fine, oval Burma ruby of ca. 2.90 ct, not heated, with traces of wear, surrounded by brilliant-cut diamonds totalling ca. 1.50 ct. Size ca. 56. BURMA-RUBIN-DIAMANT-RING, GÜBELIN, um 1970. Platin 950. Klassisch-eleganter Ring, die Schauseite besetzt mit 1 feinen, ovalen Burma-Rubin von ca. 2.90 ct, unerhitzt, mit Tragspuren, umgeben von 26 Brillanten von zus. ca. 1.50 ct. Gr. ca. 56. With copy of the insurance appraisal, December 2014 and Gübelin-Report no. 19100024, October 2019.