A cultured pearl and diamond broochThe openwork cartouche set throughout with old brilliant-cut diamonds, suspending a collet-set old brilliant-cut diamond pendant and a 12.0mm cultured pearl drop, within a garland swag set with similarly-cut diamonds, principal diamond very approx. 2.30cts, remaining diamonds approx. 2.50cts total, one diamond deficient, detachable pin fitting, associated screwdriver, length 7.1cm