AN ANTIQUE CEYLON NO HEAT SAPPHIRE, PEARL AND DIAMOND SPIDER BROOCH

in silver on gold, set with a cushion cut sapphire of c.1.92 carats, ruby cabochon eyes, the abdomen set with a pearl of c.17.5mm, the legs set with rose cut diamonds, secured with a pin clasp, no assay marks, c.3.5cm, (c.11.9g), verbal assessment from GCS stating that the sapphire is of Ceylon (Sri Lanka) origin with no indications of heat treatment