A COLOMBIAN MINOR OIL EMERALD AND DIAMOND RING set to the centre with an octagonal cut emerald of

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.

NO RESERVE - A COLOMBIAN EMERALD AND DIAMOND RING, CIRCA 1945 in 18ct yellow gold, set with an octagonal cut emerald of 1.31 carats in a scrolling border set with two old round cut diamonds, Swedish a

Genuine Emerald and Earth-Mined Diamond Ring.  This 14 karat yellow gold ring features an enchanting 1.80 carat octagonal-cut, Colombian emerald that is prong-set with .48 carats of round, brilli

Genuine Emerald and Earth-Mined Diamond Ring.  This 1.77 carat octagonal-cut Colombian emerald has a soft glow that really catches your eye!  It is set in a 14 karat yellow gold ring with .3

* No-Reserve Price * Extraordinary 2.67 Carat Octagonal Cut GRS Certified Natural Columbian Vivid Green Emerald Set in 18K Gold Ring with 2 Trapezoid D-F VS Natural Diamonds Totaling 0.59 Carats and a

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.

A COLOMBIAN EMERALD AND DIAMOND RING set with a step cut emerald of 1.14 carats in a border of old cut diamonds, the band set with further old and round brilliant cut diamonds, no assay marks, size O

A COLOMBIAN EMERALD AND DIAMOND RING set with an emerald cut emerald of 2.39 carats, between two baguette cut diamonds, the diamonds both totalling 1.28 carats, no assay marks, size O / 7, 3.7g. Accom

A COLOMBIAN EMERALD AND DIAMOND RING set with an emerald cut emerald of 1.22 carats within geometric border of round cut diamonds all totalling 0.8-0.9 carats, no assay marks, size M / 6, 6.0g.

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.

CERTIFICATED COLOMBIAN EMERALD AND DIAMOND RING, Set with an emerald cut emerald of approx. 2.30 ct. flanked with a diamond on each shoulder totalling approx. 1 ct. Size N 1/2. 4.7 grams. Accompanied

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

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING set with a fancy cut emerald of 9.52 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.5-2.0 carats, no assay marks, sizing

Metal: Platinum Weight: 19.90 Grams Stone: Colombian Emerald, Diamond Carat: 6.72ct (emerald), 3.17ctw (diamond) Size: 6.75 Certification: GIA 5221162886 Description: Features a emerald cut F1 Minor O

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 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 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.

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.

EMERALD AND DIAMOND RING set to the centre with a step cut emerald of 4.66 carats, the stylised mount set with marquise- and circular-cut diamonds, size M / 6.25, stamped 750, gross weight 8.8 grams.

Colombian Emerald and Diamond Ringcentering on one prong set square cut emerald (8.55 x 8.14 x 7.45mm) weighing approximately 3.30 carats and accented to each side with three prong set round brilliant