circa 1920s

An elegant Art Deco platinum tourbillon ring is centered with a bezel-set sparkling old European cut diamond (approximately 0.65 ct, H-I color, SI2 clarity) surrounded by old single cut diamonds.

The ring is marked inside the shank with a maker’s mark.

Diamond top measures approximately 13 x 11 mm (1/2 x 4/8 in.)

Ring size 7 (17 mm) sizable