Mondial solitaire fancy vivid yellow diamond ring, property from the estate of a distinguished Sydney collector, the claw-set cut-cornered square modified brilliant-cut fancy vivid yellow diamond weighing 4.92 carats, is framed by a yellow gold geometric surround, the tapered half round white gold hoop partially applied with yellow gold geometric motifs, mounted in 18ct two-tone gold, size M1/2, signed Mondial. Accompanied by a GIA report facsimile numbered 1142494553, dated 02 March 2012, stating that the 4.92 carat diamond is natural, fancy vivid yellow colour, VVS1 clarity.