AN EMERALD AND DIAMOND RING the scalloped edged face set with an octagonal cut emerald, accented by

AN EMERALD AND DIAMOND RING the scalloped edged face set with an octagonal cut emerald, accented by a double border of round brilliant cut diamonds and calibre cut emeralds, stamped platinum, size N /

AN EMERALD AND DIAMOND PLAQUE RING the geometric face set with an octagonal step cut emerald of 0.56 carats, accented by round brilliant cut diamonds all totalling 1.6-1.8 carats, no assay marks, size

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal cut emerald accented by old European cut and single cut diamonds and step cut emeralds, stamped PLAT, size O / 7, 6.6g.

A COLOMBIAN EMERALD AND DIAMOND RING in yellow gold, set with an octagonal cut emerald of 1.63 carats, accented by round brilliant cut diamonds, no assay marks, size T / 9, 10.3g. Accompanied by a gem

A COLOMBIAN EMERALD AND DIAMOND RING in 18ct white gold, set with an octagonal cut emerald of 1.47 carats accented by pairs of round cut diamonds, Swedish assay marks for 18ct gold, size I / 4, 3.3g.

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal cut emerald of 8.02 carats, the band accented by baguette and round brilliant cut diamonds totalling 0.51 carats, stamped Pt950, size O /

AN EMERALD AND DIAMOND RING in 18ct white gold, set with an octagonal cut emerald of 2.33 carats in a border of round brilliant cut diamonds, accented by foliate details set with further round brillia

NO RESERVE - AN ANTIQUE VICTORIAN EMERALD AND DIAMOND RING, 1868 in 18ct yellow gold, the face set with five step cut emeralds arranged as a cross, accented by rose cut diamonds, full British hallmark

AN ART DECO EMERALD AND DIAMOND RING in platinum or white gold, the navette face set with an oval cut emerald between round cut diamonds, accented by calibre cut emeralds, marked indistinctly, size N

A DIAMOND AND EMERALD DRESS RING the circular face set with an old European cut diamond within a border of single cut diamonds and calibre cut emeralds, accented by further calibre cut emeralds, marke

A DIAMOND AND EMERALD RING in 18ct white gold, the geometric face set with a central old cut diamond of 0.60 carats accented by baguette cut emeralds and single cut diamonds, stamped 750, size N / 6.5

A gemstone and platinum ringdesigned as a bezel-set oval-cut emerald, weighing approximately 3.20 carats, between scalloped ruby tablets, further accented by rose-cut diamonds, between diamond set ope

AN EMERALD AND DIAMOND RING set with an octagonal cut emerald, within a double border of round cut diamonds, stamped 585, size O / 7, 5.3g.

18 kt. Yellow Gold, Emerald and Diamond Ring, center bezel-set octagonal step-cut emerald, wt. 6.04 cts., 11.30 x 10.30 x 7.23 mm; shoulders with 2 bezel set trapezoid-cut diamonds, total wt. approx.

Platinum, Emerald and Diamond Ring , center prong set octagonal step cut emerald, wt. approx. 2.63 cts., 9.3 x 7 x 5.3 mm; double halo and shoulders with 124 round brilliant cut diamonds, total wt. ap

Platinum, Emerald and Diamond Ring , center prong set octagonal step cut emerald, approx. 2.33 cts., 8.70 x 6.44 mm; double halo bezel and shoulder with 72 round brilliant cut diamonds, total wt. appr

Oscar Friedman 18 kt. Yellow Gold, Emerald and Diamond Ring, central bezel-set octagonal step-cut emerald, wt. approx. 2.23 cts., 8.70 x 6.30 mm; mounted with 44 round brilliant cut diamonds, total wt

18 kt. White Gold, Yellow Gold, Emerald and Diamond Ring, center bezel set octagonal step cut emerald, wt. approx. 2.16 cts., 9.60 x 6.60 x 3.90 mm; bezel and supports with 28 round brilliant cut diam

AN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald in a cluster of round brilliant cut diamonds, no assay marks, size Q / 8.25, 6.0g. 

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal cut emerald in a border of single cut diamonds and step cut emeralds, stamped PLAT, size N / 6, 7.4g.

EMERALD AND DIAMOND RING The wide tapering band set with an octagonal-cut emerald between trilliant-cut diamonds, diamonds approx. 0.65ct total, ring size approx. M½ (leading edge) Footnotes: Ple

ANTIQUE EMERALD AND DIAMOND RING in yellow gold, set with a pear cut emerald accented by old cut and rose cut diamonds, unmarked, size N / 6.5, gross weight 4.5 grams.

A VINTAGE EMERALD AND DIAMOND CLUSTER RING in yellow gold, set with an octagonal step cut emerald in a cluster of old cut diamonds, no assay marks, size M / 6.25, 2.4g. 

AN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 1.03 in a border of round brilliant cut diamonds, full British hallmarks, size Q / 8.25, 3.6g.