Antique 1.50ct Old European cut diamond rubover solitaire carved ring

Antique 1.50ct Old European cut diamond rubover solitaire carved ring in 18kt yellow gold. Centrally set with an estimated 1.50ct round Old European cut diamond in a rubover setting, to an impressive solitaire design with raised smooth bezel setting, flanked by integrated broad trumpeting shoulders decorated with engraved details before smoothing to a solid shank. Hallmarked 18kt gold, London.