Art Deco 1.80ct Old European Cut Diamond & Ruby Target Ring

Art Deco 1.80ct Old European cut diamond and ruby target ring in platinum. Centred with an estimated 1.80ct round Old European cut diamond in a rubover setting, surrounded by a row of calibre cut rubies in channel settings, to a circular target design with subtle millegrain details, pierced negative spacing and sweeping openwork gallery, flanked to either side with slim shoulders which continue to a solid shank.