Antique diamond floral cluster engagement ring in 18kt gold

Antique diamond floral cluster engagement ring in platinum and 18kt yellow gold. Centred with a round Old European cut diamond in a platinum grain setting, encircled by eight round eight cut diamonds in platinum grain and millegrain settings, to an elegant circular cluster with scalloped borders, finely pierced and filed gallery and met to either side with inwardly tapering shoulders which slightly broaden to a solid shank. Marked platinum and 18kt gold. Estimated total diamond weight 0.60cts.