18ct white gold and diamond necklace, the opera length necklace designed as a line of spectacle-set brilliant-cut diamonds interspersed with similarly set brilliant-cut diamond quatrefoils, the diamonds together weighing approximately 26.17 carats, length approximately 1020 mm.. Provenance: jewels, Smith & Singer (trading as Sotheby's Australia), Sydney, 4 April 2011, lot 103, illustrated. Private collection, Sydney, acquired from the above