A 19th century Neo-Renaissance gold, ruby, emerald and enamel gimmel ring

A 19th century Neo-Renaissance gold, ruby, emerald and enamel gimmel ring
The twin bezel closed-set with a cushion-shaped ruby and emerald each in a square collet with black and white enamel lobed quatre foil surround to blue and white enamel shoulders, the dividing hoops inscribed in black enamel, WAS.GOTT.ZU.SAMEN.FUEGET.SOLL.DER.MENSCH.NICHT.SCHEIDEN., circa 1880, German or Austrian, finger size K