Victorian diamond brooch

A Late Victorian Diamond Spray Brooch, circa 1890, the floral spray with a single flowerhead cluster en tremblant, the principal circular-cut diamond claw-set at the centre weighing 0.25cts approximately, claw set throughout with circular, cushion and rose-cut diamonds, unmarked in silver and yellow metal, boxed by 'W. Phillips, Antique Jeweller, 492 & 494 Oxford Street, W'. Width 7cm.