Art Deco openwork double loop ring set with sapphire and diamond

Art Deco openwork double loop ring set with sapphire and diamond in platinum. Centred with a row of five square step cut sapphires in channel settings, set with sixteen cushion shape Old Mine cut diamonds in grain settings, to a buckle ring design featuring openwork loops, polished and enclosed gallery and fitted with integrated champfered shoulders which continue to a solid shank. Estimated total diamond weight 2.40cts.