Mellerio Art Deco diamond ring. Set to centre with a cushion shape old mine diamond, I colour, SI2 clarity with a weight of 2.01 carats, in an open back corner claw box collet setting, flanked by twelve cushion shape old mine diamonds in open back grain settings with a combined weight of 1.20 carats. The total approximate diamond weight is 3.20 carats, to a cocktail ring of geometric design, featuring a linear collet, polished edges and open backholing, the broad integrated shoulders tapering to a solid shank. Marked platinum, signed 'MELLERIO' 'MONTURE', numbered 'C.1209', French, circa 1925, accompanied by HRD Antwerp report #190000160988.
