A diamond brooch, the pierced plaque centrally set with an emerald cut diamond, estimated weight 2.15cts, colour J-K, clarity VVS2, with further fancy cut diamonds, in a surround of brilliant and single cut diamonds, estimated total diamond weight 8.47cts, in platinum, with accompanying John T. Hinkley certificate of quality and content., condition: two emerald cut diamond sides, estimated weight 0.78ct each., two semi epaulette cut diamonds estimated 0.25cts each., two emerald cut diamond ends, estimated weight 0.22cts each., two baguette cut diamonds, estimated weight 0.10cts each., thirty eight brilliant cut diamonds, estimated weight 2.70cts., with twenty single cut diamonds, estimated weight 0.52cts.