Diamond and emerald brooch / pendant / clasp, Russia, circa 1900, of target design claw-set to the centre with a circular-cut emerald framed by three tiers of old mine-cut diamonds together weighing approximately 6.50 carats, diameter approximately 25 mm, later clasp and surmount, one clasp fitting deficient, struck with maker's mark G.A., mark for Moscow, 56 standard.