A COLOMBIAN EMERALD AND DIAMOND RING set with a step cut emerald of 1.14 carats in a border of old

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

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

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 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.

AN ANTIQUE EMERALD AND DIAMOND DRESS RING in yellow gold and silver, set with a step cut emerald within a border of four old cut diamonds, no assay marks, size J1/2 / 5, 2.1g.

AN EMERALD AND DIAMOND RING in 18ct white gold, in foliate design, set with a step cut emerald of 0.40 carats and old cut diamond of 0.50 carats, accented by further rose cut diamonds, stamped 750, si

AN EMERALD AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in yellow and silver, set with a step cut emerald of 1.14 carats, in a border of single cut diamonds, stamped 18CT, size M / 6, 3.6g.

AN ANTIQUE EMERALD AND DIAMOND CLUSTER RING in high carat yellow gold, set with an emerald cut emerald in a border of old cut diamonds, unmarked, size L / 5.75, 2.2g.

A diamond and emerald oval cluster ring set with an emerald of approximately 1.30 carats, within a border of old-cut diamonds, the white metal shank unmarked (tests as silver), size N.

Ladies 14 karat yellow gold ring containing one pear shape Columbian Emerald, weighing approximately 1.50 Carat, Color: Intense green, Transparency: Fine, flanked by Old mine cut Diamonds weighing app

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 VINTAGE EMERALD AND DIAMOND RING set with a rectangular step cut emerald in a border of single cut diamonds, no assay marks, size N / 6.5, 2.5g.

DIAMOND AND EMERALD RING Set with step-cut emeralds and old brilliant-cut diamonds, ring size approx. S For further information on this lot please visit Bonhams.com

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

AN EMERALD AND DIAMOND CLUSTER RING set with a step cut emerald in a two row border jewelled with rose cut diamonds, unmarked, size Q / 8, 4.8g.

AN EMERALD AND DIAMOND RING in 18ct white gold, set with a step cut emerald of 1.00 carat between two baguette cut diamonds, British hallmarks, size M / 6, 3.6g.

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.

Set with a step-cut emerald weighing approx. 3.50 cts., in millegrained bezel with RBC diamond and engraved platinum frame, approx. .45 cts. TW. Size 9 1/2. 4.4 dwt. Accompanied by GIA report #5161009

AN EMERALD AND DIAMOND RING in open work lattice design set with a step cut emerald of 1.44 carats accented by round brilliant and step cut diamonds all totalling 1.4-1.6 carats, stamped 750, size Q /

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

18K yellow gold ring, brightly polished, featuring a bar set rectangular step cut emerald, approx. 1.00 carat, accompanied by AGL report 1130348, dated 22 March 2023, stating the emerald is Natural, o

This is an appraised 14 karat yellow gold genuine Colombian emerald and natural diamond ring.  The .69 carat emerald-cut emerald is mounted between round, brilliant-cut diamonds.  The ring i

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

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.