A 19th century sapphire and diamond brooch clasp
The openwork oval cluster with cushion-shaped cabochon sapphire centre to old-cut diamond triple-row surround with cabochon sapphire and diamond cluster quarters, circa 1880, clasp detachable for wear as a brooch, suspending a later uniform cultured pearl six row necklace, approximately 36.0 cm. long
A 19th century sapphire and diamond brooch clasp
The openwork oval cluster with cushion-shaped cabochon sapphire centre to old-cut diamond triple-row surround with cabochon sapphire and diamond cluster quarters, circa 1880, clasp detachable for wear as a brooch, suspending a later uniform cultured pearl six row necklace, approximately 36.0 cm. long