A DIAMOND AND EMERALD DRESS RING in platinum, set with

AN EMERALD AND DIAMOND DRESS RING in platinum, set with an emerald cut emerald of 0.37 carats between trios of old cut diamonds, stamped PLAT, size L / 5.75, 2.7g.

EMERALD AND DIAMOND DRESS RING in platinum, set with an emerald cut emerald in a cluster of old cut diamonds, stamped 950, size O / 7, 2.70g.

AN EMERALD AND DIAMOND DRESS RING in 18ct gold and platinum, set with a square step cut emerald accented by single cut and rose cut diamonds, stamped 18ct Plat, size M / 6.25, 3.2g.

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut diamond of approximately 0.40 carats, accented by French cut sapphires and round brilliant cut diamonds, further round brilliant

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut blue sapphire of 5.88 carats, between stepped shoulders set with baguette cut diamonds, stamped Platinum, size N / 6.75

AQUAMARINE AND DIAMOND DRESS RING, HIRSH in platinum, set with an emerald cut aquamarine of 1.72 carats, accented by two round cut diamonds, signed Hirsh, full British hallmarks, size L / 5.5, 5.4g.

AN ART DECO DIAMOND DRESS RING in platinum, set with an old cut diamond of 2.20 carats, between pairs of old cut diamonds, French assay marks for platinum, size L / 5.5, 5.8g.

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an old cut diamond of approximately 1.50 carats in a double border of step cut sapphires and old cut diamonds, the band accented by fu

A PINK TOURMALINE AND DIAMOND DRESS RING in platinum, set with an oval-shaped fancy cut pink tourmaline of 13.95 carats, the trefoil shoulders and shank accented with round cut diamonds, no assay mark

A BROWN DIAMOND DRESS RING in platinum, set with a round cut brown diamond between two pear cut brown diamonds, in a border of round brilliant cut white diamonds, the diamonds all totalling 1.5-1.7 ca

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an oval cut sapphire within two concentric rows of round brilliant cut diamonds, each shoulder set with a trio of round brilliant cut diamonds,

AN OPAL AND DIAMOND DRESS RING in platinum, set with two cabochon opals and two old cut diamonds, the diamond both totalling 0.4-0.5 carats, stamped PT, size M / 6, 3.6g.

A SOLITAIRE DIAMOND DRESS RING in platinum, set with a round cut diamond within a tapering band, full British hallmarks, size M / 6, 4.1g.

NO RESERVE - AN AMETHYST AND DIAMOND DRESS RING in platinum, set with an oval cut amethyst accented by four round brilliant cut diamonds, stamped PT900, size L1/2 / 6, 4.7g.

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with two old cut diamonds of approximately 1.15 and 1.04 carats, accented by rose cut diamonds, French import mark, size Q / 8.25, 5g

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

AN EMERALD AND DIAMOND DRESS RING set with a cushion cut emerald of 2.19 carats, between stepped shoulders set with round brilliant cut diamonds, no assay marks, size M / 6, 5.3g.

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with rows of old cut diamonds, the diamonds all totalling 1.3-1.5 carats, stamped 950, size O / 7, 7.2g.

AN EMERALD AND DIAMOND CLUSTER DRESS RING set with an oval cut emerald within concentric borders of brilliant cut diamonds and calibre cut emeralds, no assay marks, size M / 6, 5.0g. Guaranteed UK Chr

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 /

A FRENCH ART DECO DIAMOND DRESS RING in platinum, the navette shaped face set to the centre with an old mine cut diamond of 0.70 carats between two old mine cut diamonds, accented by further rose cut

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.

A CABOCHON EMERALD AND DIAMOND RING in platinum, set with a cabochon emerald of 4.91 carats, accented by two round brilliant cut diamonds, stamped P900, size L / 5, 7.8g.