A diamond and emerald dress ring

A diamond and emerald dress ring, the old brilliant-cut diamond estimated to weigh 1 carat, flanked by alternating diagonal lines of eight-cut diamonds and calibre-cut emeralds, set with diamond-set trefoil to the top and bottom, the diamonds estimated to weigh further total of 1.1 carat millegrain set to a platinum mount with tapering shoulders and pieced gallery, hallmarked platinum Birmingham, gross weight 4.9 grams.

No. 29064M