A GEMSET CERAMIC RING in 18ct yellow gold, the oval face set with round and princess cut diamonds,

AN OPAL AND DIAMOND DRESS RING in 18ct yellow and white gold, set with an oval cabochon opal accented by round brilliant and princess cut diamonds, the diamonds all totalling 1.2-1.4 carats, British h

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the navette face set with an oval cut sapphire of 2.20 carats in a border of round cut diamonds, the diamonds all totalling 0.5-0.7 carats, British hal

A FRENCH DIAMOND AND ENAMEL BOMBE RING in 18ct yellow gold, the domed face set with round brilliant cut diamonds with black enamel details, the diamonds totalling 0.9-1.1 carats, French assay marks, s

CHAUMET, A DIAMOND RING in 18ct yellow gold, the bombe face set with clusters of round brilliant cut diamonds, signed Chaumet Paris and numbered, stamped 750, size K1/2 / 5.5, 9.8g.

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold and platinum, the circular face set with step cut sapphires and round cut diamonds, further diamonds accenting the band, stamped 18ct PLAT, size N / 7,

CHOPARD, A HAPPY DIAMONDS BOMBE RING in 18ct yellow gold, the domed face set with a central heart shaped glass compartment containing a free moving round brilliant cut diamond, the band set with stagg

A VINTAGE EMERALD AND DIAMOND RING in 18ct yellow gold, the elliptical face set with a row of alternating round cut emeralds and round brilliant cut diamonds, British hallmarks for London, 1972, size

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

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold and platinum, the circular face set with pattern of step cut sapphires and round cut diamonds, further diamonds accenting the band, stamped 18ct PLAT, s

AN ANTIQUE RUBY AND DIAMOND RING in 18ct yellow gold, set with oval and round cut rubies and old cut diamonds, stamped 18c, size O1/2 / 7.5, 3.0g. 

A MOONSTONE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, the navette shaped face set with a cabochon moonstone in a border of round brilliant cut diamonds, the diamonds all totalling 0.6-0

NO RESERVE - AN ANTIQUE EDWARDIAN RUBY, DIAMOND AND SAPPHIRE RING, 1903 in 18ct yellow gold, the face set with three rows of round cut rubies, round cut blue sapphires and rose cut diamonds, maker's m

A VINTAGE CORAL AND DIAMOND RING in 18ct yellow gold, set with an oval cabochon coral within concentric borders of round cut diamonds and pear shaped cabochon coral, stamped 18K, size M / 6.5, 15.5g.

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby in a cluster of round brilliant cut diamonds, full British hallmarks, size N / 6.75, 3.8g. 

AN OPAL AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an oval cabochon opal between two round brilliant cut diamonds, stamped 750, size K1/2 / 5.5, 4.7g.

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

A VINTAGE RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby in a cluster of round brilliant cut diamonds, full British hallmarks for London 1975, size Q / 8.25, 5.2g.

A DEMANTOID GARNET AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a oval cut demantoid garnet within a cluster of round brilliant cut diamonds, British hallmarks for 18ct gold, size L / 5.5, 2

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 1.67 carats in a cluster of round brilliant cut diamonds, British hallmarks, size O / 7, 4.6g.

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut ruby of 1.42 carats within a border of round cut diamonds, stamped 18ct & Plat, size M / 6, 2.5g. Accom

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut blue sapphire of 1.36 carats within a border of round cut diamonds, with further diamonds set to the shoulder

A CITRINE AND DIAMOND DRESS RING in 18ct yellow gold and silver, set with an oval cut citrine within a border of foliate scroll designs set with four round cut diamonds, French assay marks, size N / 6

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a central oval cut ruby of 1.19 carats within a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 5.6g.