Two diamond band rings, by Cartier and Tiffany & Co, each set with a line of brilliant-cut diamonds, signed Cartier, numbered, QO5280, ring size O, and signed Tiffany & Co, British hallmarks for 18-carat gold, ring size M (2)

Two diamond band rings, by Cartier and Tiffany & Co, each set with a line of brilliant-cut diamonds, signed Cartier, numbered, QO5280, ring size O, and signed Tiffany & Co, British hallmarks for 18-carat gold, ring size M (2)
Good condition, minor abrasions through use, Cartier ring inscribed "Pour Ellen, ma compagne de touyours" stamped 750 for 18-carat gold, gross weight for both rings 7.2 gr, diamonds bright and lively too small to accurately grade.