18ct white gold, sapphire and diamond ring, Rox, of cluster design centring a millegrain-set antique cushion-shaped sapphire weighing 5.41 carats, framed by a line of pave-set brilliant-cut diamonds, the underrail decorated with an openwork stylised leaf motif pave-set with brilliant-cut diamonds, size O1/2, signed Rox for Rox jewellery., accompanied by: a GSL report numbered AA65146, dated 8 June 2021, stating that the 5.41 carat blue sapphire is natural, with no evidence of heat treatment, a Far East gem Lab report dated 27 August 2012 stating that the 5.41 carat sapphire is natural, medium-dark purplish-blue (fine quality) colour, SI2 clarity, with no evidence of heat treatment.