Cartier, a fine ruby and diamond ring, early 20th century, claw-set with an oval ruby weighing 3.30

Cartier, a fine ruby and diamond ring, early 20th century, claw-set with an oval ruby weighing 3.30 carats, set with five circular-cut diamonds to each shoulder, mounted in platinum, size J, signed Cartier, numbered 3574

Accompanied by SSEF report number 112584, dated 18 February 2020, stating that the ruby weighing 3.308 carats is of Burmese (Myanmar) origin, with no indications of heat treatment