Period: circa 1920 - Art Deco
Platinum and 750 thousandths white gold - gross weight: 3.60 grams
Rectangular sapphire with cut sides, origin Siam (Thailand) of 4.60 carats, in a setting of 24 brilliants (modern cut diamonds) for approximately 0.50 carat in total.
Dimensions of the plate: 16.50 x 12.60 mm
Finger: 55 adjustable