Platinum and diamond ring, claw-set with an old European-cut diamond weighing 15.09 carats, between shoulders partially set with brilliant-cut diamonds, size M., accompanied by a GSL report numbered AA60848/1D, dated 22 June 2018, stating that the 15.09 carat diamond is P colour, VS1 clarity. Provenance: Important jewels & watches, Sotheby's Australia, 8 August 2018, lot 85, illustrated. Private collection, Sydney, acquired from the above