A spectacular platinum and diamond ring, the square emerald-cut diamond weighing 25.02 carats is claw-set above a gallery pave-set with brilliant-cut diamonds, between shoulders decorated with a line of graduating baguette diamonds, the small diamonds together weighing approximately 3.25 carats, size M. Provenance: Gahcho Kue diamond mine, Kennady lake, Northwest Territories, Canada, the 25.02 diamond was cut from a 47.961 carat rough, accompanied by a GIA report numbered 6214351034, dated 30 December 2020, stating that the 25.02 carat diamond is I colour, VVS2 clarity, laser inscribed.