Cartier diamond cluster ring. Set with an impressive square step cut diamond, H colour, VVS2 clarity, with a weight of 2.11 carats in an open back claw setting, framed by four rectangular baguette cut diamonds in open back rubover settings with an approximate combined weight of 1.00 carats, further set with four square step cut diamonds in open back rubover settings with a combined weight of 0.30 carats and flanked by two rectangular baguette cut diamonds in open back rubover settings with a combined weight of 0.40 carats. The total approximate diamond weight is 3.81 carats, to a striking cluster design featuring polished borders, a geometric openwork gallery and fancy open backholing, the raised shoulders flowing through to a solid D-shape shank. Tested platinum, signed 'Cartier', circa 1935, accompanied by Gemological Institute of America (GIA) report #6224827639, accompanied by original fitted box.
