A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an octagonal step cut

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.

AN EMERALD AND DIAMOND CLUSTER RING in yellow gold and platinum, set with an octagonal step cut emerald of approximately 2.95 carats in a cluster of single cut diamonds, stamped PLAT, size Q / 8.25, 4

AN EMERALD AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 1.46 carats, between two round cut diamonds, British hallmarks, size N / 6.5, 4.8g.

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

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

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut emerald of 3.65 carats in a cluster of old cut diamonds totalling 1.8-2.0 carats, stamped 18ct, size O / 7, 7.4g.

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.

1.00 CARAT EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut emerald of approximately 1.00 carats in a cluster of round cut diamonds totalling approximately 0.60 carats, stamp

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an emerald cut emerald of 3.02 carats in a border of round cut diamonds, French assay marks, size R / 8.75, 8.5g.

AN ANTIQUE EMERALD AND DIAMOND RING in 18ct yellow gold, set with square step and cushion cut emeralds accented by a row of old cut diamonds, C.G maker's mark, full British hallmarks for Birmingh

A SAPPHIRE, EMERALD, RUBY AND DIAMOND RING in 18ct yellow gold, set with a square step cut emerald, oval cut ruby and sapphire, accented by round brilliant cut diamonds, stamped 750, size J1/2 / 5, 4.

AN ANTIQUE EMERALD AND DIAMOND RING, 1910 in 18ct yellow gold, set with three graduated step cut emeralds totalling 1.98 carats in a border of old cut diamonds, engraved 13.8.16, full British hallmark

AN EMERALD AND DIAMOND THREE STONE RING in 18ct white gold, set with an octagonal step cut emerald of 4.46 carats between two trilliant cut diamonds both totalling 0.65 carats, stamped 18K, size N / 6

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 EMERALD AND DIAMOND BAND RING in 18ct yellow gold, set with a row of alternating step cut emeralds and princess cut diamonds, British hallmarks, size Q / 8, 3.4g.

AN ANTIQUE EDWARDIAN EMERALD AND DIAMOND RING, 1903 in 18ct yellow gold, set with a trio of cushion shaped step cut emeralds, accented by pairs of old cut diamonds, full British hallmarks for Chester

AN ANTIQUE EMERALD AND DIAMOND FIVE STONE RING in yellow gold, set with alternating old cut diamonds and octagonal step cut emeralds, no assay marks, L / 5.75, 2.2g. 

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

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.

This unique square-top ring features a band of 14K yellow gold, split into three strands and set with three octagonal step-cut natural emeralds totaling 1.52 carats, surrounded by 68 round brilliant-c

18K 5.56 CT EMERALD & DIAMOND RING: 5.56 CT Octagonal step cut emerald is mounted with2 faceted diamonds approximating .64 CTW all set in 18K yellow gold. Size 5.5. Total weight approximates 82 grams.

18K OSCAR FRIEDMAN EMERALD & DIAMOND RING: 2.62 octagonal step cut ring is bezel set in an 18K yellow gold frame. It is further framed with a tier of 34 round brilliant cut diamonds and a second tier