Spinel and diamond pendant/brooch, Octagon step-cut spinel of a purplish-pink colour weighing 3.92 carats, mounted on a plaque surrounded by pave-set brilliant and baguette-cut diamonds, known total diamond weight 0.73 carats, stamped AU750, weight 4.8gm, length 2.5 cm. Accompanied by Algt report no. 220308703, dated 27 August 2023, stating that the natural spinel shows no evidence of heat treatment.