with a central quatrefoil motif set with a principal cushion sapphire between triangular shaped sapphires, within a diamond line frame, the diamond lines crossing over and extending to the articulated strap of rectangular cut sapphires in diamond line edges, engraved lozenge pattern to the gallery sides, French control marks, maker's mark, serial number 45991 Length 18cm / 7�'' Weight: 36.5g
18th century cushion cut diamond cluster panel, c.1780, with a scalloped edge, currently as feature panel to a late 20th century single row cultured pearl necklace,
Antique vari-coloured gem and gold collet necklace, c.1890, with graduated cushion and rounded facetted stones including zircon, demantoid garnet, amethysts, sapphires and others,