A pair of ruby and diamond earrings, mid 20th century, of 'day and night' design, composed of a

A pair of ruby and diamond earrings, mid 20th century, of 'day and night' design, composed of a scrolled earring set with brilliant-cut and baguette diamonds, suspending an articulated drop set with baguette diamonds and oval rubies, mounted in platinum, total length 5.6cm each, clip and post fittings

Accompanied by report number 17630 from CISGEM dated 11th December 2020 stating that the two rubies tested show no indications of heating, origin: Burma