18ct white gold and diamond ring, claw-set with a brilliant-cut diamond weighing 11.85 carats, size Q 1/2., accompanied by a GIA report numbered 6183634699, dated 27 July 2017, stating that the 11.85 carat diamond is W to X colour, VS1 clarity. Provenance: Important jewels, Sotheby's Australia, 6 December 2017, lot 137, illustrated. Private collection, Sydney, acquired from the above