Antique Opal and Diamond Navette Ring of Platinum cherup jewelry The whistle (circa 1950-1960) measures

The whistle (circa 1950-1960) measures 0

The enamel is in wonderful condition with only the most minimal loss to the white enamel near the base of the pendant

It is marked 14k gold

this vintage star sapphire (circa 1920s) is accompanied by numerous glittering diamonds

white and green gemstone ring from the late Victorian era (circa 1880-1900)

Antique Opal and Diamond Navette Ring of Platinum cherup jewelry The whistle (circa 1950-1960) measuresOpal is the beloved birthstone of October, known for its ability to delight all those who gaze upon it with its rainbow flashes of color that can shift and change in an instant. This antique ring (circa 1900 1910) features an Australian opal haloed by old mine cut diamonds set in a platinum filigree mounting. The total carat weight of the diamonds is 0. 60ct. The face of the ring measures 1. 1 inches by 0. 5 inches wide and it is in great condition