A 1970s Emerald and diamond cluster ring in 18ct white

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct white gold, set with an emerald cut aquamarine of 3.71 carats in a border of round cut diamonds totalling all 0.11 carats, stamped Au750, size O / 7, 4.0

NO RESERVE - AN EMERALD AND DIAMOND RING in 18ct white gold, set with a cabochon emerald of 4.66 carats in a cluster of round brilliant cut diamonds, with further diamonds to the shoulders of the band

An 18ct white gold and diamond ring calibre set with an emerald-shaped cluster of mixed-cut diamonds, within a border of round-cut diamonds, size N, 5.2 grams.

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut sapphire of approximately 4.11 carats in a cluster of round brilliant cut diamonds all totalling 1.4-1.6 carats, stamped 18

A DIAMOND CLUSTER RING in 18ct white gold, set to the centre with a round brilliant diamond of approximately 1.48 carats in a cluster of marquise cut diamonds, all diamonds totalling 3.5-3.6 carats, s

A DIAMOND CLUSTER RING in 18ct white gold, set with an old European cut diamond of 1.00 carats, in a border of single cut diamonds, stamped 750, size Q / 8, 3.2g.

A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut ruby of 0.87 carats in a cluster of round brilliant cut diamonds totalling 1.04 carats, stamped 18CT, size N / 6.

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds all totalling 0.9-1.0 carat, French assay marks for 18ct gold, size L / 6, 4.0g.

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal of 9.50 carats in a border of round brilliant cut diamonds, the band accented by further diamonds all totalling 0.65 carat

A MOONSTONE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cabochon moonstone within a border of round brilliant cut diamonds, full British hallmarks, size M / 6, 3.8g.

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds all totalling 0.8-0.9 carats, partial British hallmarks, size M1/2 / 6.5, 3.7g.

NO RESERVE - A DIAMOND CLUSTER RING in 18ct white gold, set with a round cut diamond in a border of further round cut diamonds all totalling 0.5-0.7 carats, size N / 6.75, stamped 750, 3.2g.

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a pear shaped sapphire of 1.20 carats, in a cluster of round brilliant cut diamonds totalling 0.12 carats, stamped Au750, size O / 7, 3

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal in a cluster of round cut diamonds, British hallmarks, size H / 4, 5.2g.

A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a central cushion cut sapphire of 5.13 carats, encircled by a border of single cut diamonds, later British import marks,

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.

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

AN EMERALD AND DIAMOND RING in 18ct white gold, set with a cushion cut emerald of 8.35 carats, in a double border of round brilliant cut diamonds, accented by trios of marquise cut diamonds, the bifur

AN EMERALD AND DIAMOND RING in 18ct white gold, set to the centre with an oval cut emerald of 2.75 carats in a border of round brilliant and baguette cut diamonds totalling 1.03 carats, stamped 750, s

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.

A 20th century diamond cluster ring set in 18ct white gold, the central row of five baguette cut diamonds bordered by a total of fourteen round brilliant cut diamonds, claw set to a basket gallery, wi

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 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 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.