An 18ct yellow gold and diamond ring set with a single

AN ANTIQUE VICTORIAN DIAMOND RING in 18ct yellow gold, set with a single old cut diamond of 0.49 carats, with engraved inscription to the inside of the band 'To a true friend from EY', full British ha

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold and silver, set with three oval cut sapphires in an open border set with single cut diamonds, stamped 750, size P / 7.75, 6.8g.

A DIAMOND ETERNITY RING in 18ct yellow gold, set all around with a single row of round brilliant cut diamonds all totalling 2.31 carats, British hallmarks, stamped D2.31, size P / 7.5, 2.3g.

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a round cut sapphire of 0.42 carats in a border of single cut diamonds, stamped 18CT, size O / 7, 2.0g.

AN OPAL AND DIAMOND RING in 18ct yellow gold, set with a cabochon opal in a border of single cut diamonds, stamped 18ct, size M / 6, 2.5g.

A GREEN TOURMALINE AND DIAMOND RING in 18ct yellow gold, set with a cabochon green tourmaline in a cluster of single cut diamonds, full British hallmarks, size N / 6.75, 5.7g.

NO RESERVE - A VINTAGE GARNET AND DIAMOND RING in 18ct yellow gold, set with three oval cut garnets punctuated by pairs of single cut diamonds, full British hallmarks for London 1971, size N / 6.75, 4

AN ANTIQUE FIRE OPAL AND DIAMOND RING in 18ct yellow gold and silver, set with a cushion cut fire opal of 1.72 carats, within a border of single cut diamonds, stamped 18, size M / 6.25, 3.2g.

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.70 carats in a border of round brilliant, old and single cut diamonds, the stepped shou

AN AMETHYST AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut amethyst in a cluster of single cut diamonds, British hallmarks, size G / 3, 8.1g.

NO RESERVE - A BLUE ZIRCON AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut blue zircon in a cluster of single cut diamonds, stamped 18CT, size L1/2 / 6, 3.8g. 

A DIAMOND DRESS RING, CIRCA 1930 in 18ct yellow gold and platinum, the stylised band set with five graduated single cut diamonds, stamped 18ct Plat, size P / 7.75, 2.5g.

A VINTAGE MOONSTONE AND DIAMOND DRESS RING in 18ct yellow gold, set with a round cabochon moonstone within a border of single cut diamonds, full British hallmarks, size L / 5.75, 3.2g.

A VINTAGE PERIDOT AND DIAMOND CLUSTER RING in 18ct yellow gold, set to the centre with an oval cut peridot to a surround of single cut diamonds, full British hallmarks for Birmingham 1968, size J / 4.

Ladies 14kt yellow gold emerald and diamond ring featuring a prong set cabochon cut emerald weighing approx. 1.47ct and accented with prong set single cut diamonds weighing approx. 0.18ct.. Finished w

A FINE DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a principal old European cut diamond of 0.72 carats within a border of single cut diamonds, stamped 18ct Plat, size N1/2 / 7, 2.7

A RUBY AND DIAMOND DRESS RING, 1931 in 18ct yellow gold, set with two round cut rubies within borders of single cut diamonds, full British hallmarks for London 1931, size O / 7, 3.8g.

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1912 in 18ct yellow gold, set with a trio of graduated cushion cut sapphires accented by pairs of single cut diamonds, full British hallmarks for Birmingham

AN ANTIQUE RUBY AND DIAMOND DRESS RING in 18ct yellow gold, the band set to the front with adjacent rows of round cut rubies and single cut diamonds, stamped 18C, size Q / 8, 2.4g.

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, the oval face set with four marquise cut blue sapphires accented by single cut diamonds, full British hallmarks, size J / 4.5, 4.8g. Guaranteed U

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut blue sapphire within a border of single cut diamonds, maker's mark SH&Co, st

AN ART DECO RUBY AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, the rectangular face set with a step cut ruby accented by single cut diamonds, stamped 18ct Plat, size M /

AN ANTIQUE AMETHYST, PERIDOT AND DIAMOND SUFFRAGETTE DRESS RING, 1908 in 18ct yellow gold, the tapering band set with graduated round cut peridot and amethyst, accented by pairs of single cut diamonds

A SAPPHIRE AND DIAMOND TOI ET MOI RING in 18ct yellow and white gold, set with a round cut sapphire of 2.10 carats and a round brilliant cut diamond of 1.54 carats, accented by further single cut diam