Diamond and gem-set 'Cubism' ring, Canturi the emerald-cut diamond weighing 4.58 carats is claw-set and framed by shoulders each similarly set with a baguette emerald, ruby and sapphire, the bridge accented to each side with a baguette diamond and the band partially grain-set with brilliant-cut diamonds, the smaller diamonds, sapphires, rubies and emeralds together weighing 0.47, 0.49, 0.20 and 0.16 carat respectively, mounted in 18ct white gold, size J, signed Canturi, numbered 3714310. Accompanied by: A GIA report numbered 2145089627 dated 16 November 2011, stating that the 4.58 carat diamond is H colour, VS2 clarity;. A facsimile Canturi appraisal numbered MV3714310, dated 2 June 2022, and a Canturi box .