Antique Sapphire* & Diamond Oval Locket

Measuring app. 2 3/8 (including bail) x 1 1/4 inches wide, centering a Cushion cut sapphire measuring app. 4.5mm, within a star set with Rose cut diamonds measuring app. 1.0 - 2.0mm, suspended from 18 inch chain, fashioned in 18k.Swedish. Circa 1910*no evidence of heat treatment.