A ruby and diamond ring

The oval-cut ruby, weighing 1.02 carats, in a four-claw setting, to a pierced double surround of pavé-set diamonds and claw-set marquise-cut diamonds, diamonds approx. 0.25 carat total, ring size O

Accompanied by a certificate from GRS stating that the ruby is of Burmese origin, with no indication of thermal treatment. Report number GRS2020-102173, dated 28th October 2020.