Designed as a foliate wreath framing a translucent purplish blue star sapphire, 13.2 - 13.0 x 9.65 mm, 17.8 cts. by formula, with seven spherical (probably natural) pearls, 4.55 - 3.55 mm, set among OMC diamond foliage, approx. 1.65 cts. TW, in platinum-topped 18k gold, 14k clasp, fixed pendant bail. Ca. 1905. 1 1/4" diameter. 10 dwt. Accompanied by AGL Report #CS1075933, Dated 13 June 2016, Natural Light Blue Corundum Star Sapphire, Approx. 13.2 - 13.0 x 9.65 mm, Round, Cabochon, Burma (Myanmar) Origin, No Gemological Evidence of Heat Enhancement, No Clarity Enhancement.
Evidence of old revisions on back of setting.