Antique diamond & sapphire set 18ct gold brooch. Rose cut diamonds set in silver & rose gold with yellow gold claw set pearl & blue sapphires, backed on a later 18ct yellow gold bar brooch, marked 750. Approx weight 7.89 grams, brooch. Rose cut diamonds set in silver & rose gold with yellow gold claw set pearl & blue sapphires, backed on a later 18ct yellow gold bar brooch, marked 750. Approx weight 7.89 grams