A Regency pink sapphire ring

A Regency pink sapphire ring, the ring set with five graduating pink sapphires, with approximate weight 1.5 carats total, accompanied by GCS Report 5777-8278, stating to be of Burmese origin with no indications of heating, all set in a granulated yellow gold mount, to a tapered fluted yellow gold shank with beaded decoration to the shoulders, gross weight 3.16 grams, circa 1810,

No. 30103M