18ct gold and diamond 'Trinity' ring, Cartier, comprising three entwined 3.25 mm wide flat bands, each bead-set with a continuous line of brilliant-cut diamonds, the diamonds together weighing approximately 1.80 carats, size G, signed Cartier, maker's marks, French assay marks, numbered 299429. Accompanied by a Cartier box. Provenance: important jewels, Smith & Singer (trading as Sotheby's Australia), Sydney, 29 August 2017, lot 54, illustrated. Private collection, Sydney, acquired from the above