A TURQUOISE AND DIAMOND DRESS RING in 18ct yellow gold, the domed body set with a cabochon cut

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.

AN ANTIQUE TURQUOISE AND DIAMOND RING in 18ct yellow gold, set with three round cabochon turquoise accented by pairs of old cut diamonds, full British hallmarks for London 1900, size O / 7.25, 4.

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

AN ANTIQUE STAR SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and silver, set with a round cabochon star sapphire of 9.63 carats within a border of round cut diamonds, unmarked, size N / 6.5, 9.

AN ANTIQUE OPAL AND DIAMOND DRESS RING, 19TH CENTURY in 18ct yellow gold, set with a central round cabochon opal between two kite shaped cabochon opals, the central opal within a border of old cut dia

AN ANTIQUE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of graduated oval cabochon opals, accented by pairs of old European brilliant cut diamonds, full British hallmarks (partly o

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

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

A VINTAGE TURQUOISE, SAPPHIRE AND DIAMOND RING, BEN ROSENFELD 1972 in 18ct yellow gold, set with an oval turquoise cabochon of 7.35 carats, encircled by a border of round cut diamonds totalling 2.0-2.

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with two cabochon cut opals, accented by old mine cut diamonds, to stylised shoulders, stamped 18CT, size O / 7.25, 2.6g.

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

PINK SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with a round cut pink sapphire of 0.97 carats, within a border of round cut diamonds, with further diamonds set to the shoulders, stamped

A BLUE ZIRCON AND DIAMOND DRESS RING in 18ct yellow gold, set with a round cut blue zircon within a scalloped border set with round cut diamonds, size N / 6.75, 4.7g.

A VINTAGE GREEN TOURMALINE AND DIAMOND DRESS RING in 18ct yellow gold, set with a step cut green tourmaline of 2.11 carats, between round brilliant cut diamonds, stamped 18K, size O / 7.25, 3.8g.

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an old cut diamond between two round cut blue sapphires, stamped 18ct, size J / 4.75, 2.7g. All profits from the sale of this item withi

AN ANTIQUE DIAMOND DRESS RING in 18ct yellow gold, set with a round cut diamond, British hallmarks, size M / 6.5, 3.6g.

A SOLITAIRE DIAMOND DRESS RING in 18ct yellow gold, set with a round cut diamond within a stylised band, full British hallmarks, size N / 6.75, 2.6g.

A DIAMOND DRESS RING in 18ct yellow gold, set with five round cut diamonds, stamped 18CT, size P / 7, 2.1g.

A RUBY AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold, set with a round cut ruby within a border of round brilliant cut diamonds, full British hallmarks, size L1/2 / 6, 2.7g.

A DIAMOND DRESS RING, BULGARI in 18ct yellow gold, pave set with round cut diamonds totalling 4.0-5.0 carats, signed Bvlgari, stamped 750, size N / 7, 10.9g.

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.

A DIAMOND DRESS RING in 18ct yellow gold, set with baguette and tapered baguette cut diamonds, British hallmarks, size O / 7, 5.0g.

A DIAMOND DRESS RING in 18ct yellow gold, set with five principal round brilliant cut diamonds, accented by two rows of round cut diamonds, stamped 750, size K / 5.25, 4.7g. 

A DIAMOND DRESS RING, MAUBOUSSIN in 18ct yellow gold, set with a principal old cut diamond of 2.44 carats flanked above and below by marquise and round cut diamonds, signed Mauboussin Paris, French as