An emerald and diamond ring. Photo Philips de Pury & Co The octagonal step-cut emerald, weighing 8.78 carats, claw-set within a scalloped openwork pavé-set diamond bezel, set with pear-shaped rose-cut diamond accents to trifurcated pavé-set diamond shoulders,...

Impressive Emerald and diamond ring, Van Cleef & Arpels. photo courtesy Sotheby'sThe octagonal emerald set within a frame of brilliant-cut diamonds, mounted in platinum, size 52, signed Van Cleef & Arpels and numbered, French maker's marks, pochette....

Octagonal step-cut emerald and diamond ring Claw-set with an octagonal step-cut emerald bordered by a line of marquise- and pear-shaped diamonds, the shoulders set with brilliant-cut stones, mounted in yellow gold, size 52. Accompanied by Gübelin report...