Lot 539 , An Art Deco ruby, sapphire and diamond 'Day and Night' ring, 1930s

An Art Deco ruby, sapphire and diamond 'Day and Night' ring, 1930s, designed as a continuous band of calibré-cut sapphires and rubies, between hinged half-hoops set with single-cut diamonds totalling approximately 0.12 carats, mounted in platinum, size O, gross weight approximately 4 grams
£200-300