An Art Deco ruby and diamond bracelet

An Art Deco ruby and diamond bracelet, circa 1930, of geometric design, set with oval rubies and circular-, single-cut and baguette diamonds, mounted in platinum, length 17.2cm, case stamped Ogden

A verbal report from GCS states that the rubies are of Burmese (Myanmar) origin, the central and one flanking ruby showing indications of heat treatment, the remaining seven rubies with no indications of heat treatment