A conch pearl and diamond flower pendant. Photo: Bonhams.

Modelled as a flowerhead, the stamen set with a 7.4mm conch pearl, within a rose-cut diamond claw setting, to cushion-shaped diamond petals, suspended from a rose-cut diamond suspensory loop and suspending a 7.0mm conch pearl drop capped by rose-cut diamonds, cushion-shaped diamonds approx. 1.60cts total, length 5.9cm, fitted case. Estimate £3,500 - 4,500 (€4,300 - 5,500)

Bonhams. JEWELLERY. 12 Feb 2014, London, Knightsbridge - www.bonhams.com