Gem-set Bar Brooch with Diamonds and Sapphires

15ct gold, silver and gem-set brooch, of bar design, centring a floral cluster and crescent set with old European-cut diamonds together weighing approximately 0.40 carats and circular-cut sapphires together weighing approximately 1.50 carats, the ends terminating in a trefoil of sapphire, ruby and pearl, length approximately 47 mm, accompanied by a period Fairfax and Roberts box, diamonds approximately H-I colour, Vs-SI2 clarity, weight approximately 6.3 grams