A RUBY, SAPPHIRE AND DIAMOND FLIP RING
Composed of a band channel-set with calibrated rubies and sapphires and with two switchable parts set with diamonds, foliate engraved, circa 1920
A RUBY, SAPPHIRE AND DIAMOND FLIP RING
Composed of a band channel-set with calibrated rubies and sapphires and with two switchable parts set with diamonds, foliate engraved, circa 1920