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细节
AN ATTRACTIVE BELLE EPOQUE SAPPHIRE AND DIAMOND RING
Set with a rectangular-cut sapphire, weighing approximately 24.52 carats, to the pierced old European and single-cut diamond shoulders, mounted in platinum, circa 1920, with French assay mark and maker's mark
With report 13050719 dated 22 December 2003 from the Gemological Institute of America stating that the natural sapphire shows no evidence of heat treatment
Set with a rectangular-cut sapphire, weighing approximately 24.52 carats, to the pierced old European and single-cut diamond shoulders, mounted in platinum, circa 1920, with French assay mark and maker's mark
With report 13050719 dated 22 December 2003 from the Gemological Institute of America stating that the natural sapphire shows no evidence of heat treatment