Early Art Deco platinum mounted sapphire and diamond ring, the octagon cut sapphire with an estimated weight of 4.50 carats and measuring approx. 10.6 by 8.1 by 4.8mm, certificated as Ceylon and with no indications of heating, GCS report number 5785-2996, the ornate mount featuring 48 grain set single cut diamonds with an estimated total weight of 0.70 carat