Late Victorian Diamond Crescent Brooch jade with each lobe curved our

with each lobe curved our towards the tip

The rococo surround borders a central disc with an enamelled rooster and the words "quand ce coq chantera

Set with a highly domed rock crystal centre that captures the light quite beautifully

it's a particularly fine (and playful) rendering

I can't find much online about John McKean Esquire

Late Victorian Diamond Crescent Brooch jade with each lobe curved ourDATE: Victorian, c. 1890 Striking antique crescent brooch dating from the late Victorian era, circa 1890. It's set with three central icy white diamonds with further graduated diamonds at each of the points, with fine millegrain detailing. Crafted in 15 karat gold and platinum throughout. STONES Old cut diamonds MEASUREMENTS 5. 3 x 0. 4cm WEIGHT 3. 57g MARKS No marks present, tests as 15k gold and platinum CONDITION Good, few scratches to the platinum