CARTIER, A DIAMOND LOVE RING in 18ct rose gold, the band pave set throughout with round brilliant cut diamonds, punctuated by six screw motifs, signed Cartier and numbered, stamped 750, size O / 7.25, 7.2g. Accompanied by a Cartier ring box. Current

Estimate £1,500 - £2,500

A RUBELLITE TOURMALINE AND DIAMOND DRESS RING set with a faceted-top oval cut rubellite tourmaline of 23.14 carats in a border of round cut diamonds, stamped 18K, size N / 6.75, 14.9g.

Estimate £1,500 - £2,500

A RETRO GREEN TOURMALINE AND DIAMOND RING in yellow and white gold, set with two octagonal step cut green tourmalines totalling approximately 13.00 carats, accented by trios of single cut diamonds, no assay marks, size L1/2 / 6, 13.6g. 

Estimate £1,500 - £2,500

A FIRE OPAL AND DIAMOND DRESS RING set with an oval cut fire opal of 1.37 carats, the shoulders of the band set with round cut diamonds, stamped 18K, size M1/2 / 6.5, 3.6g.

Estimate £600 - £800

A TSAVORITE GARNET AND DIAMOND TOI ET MOI RING the band set with an oval cut tsavorite garnet of 1.14 carats, together with four fancy cut diamonds arranged as an oval, stamped 18K, size M1/2 / 6.5, 3.1g.

Estimate £1,200 - £1,600

A RETRO DIAMOND RING in 18ct yellow gold, the stylised ring set with two curved rows of round brilliant cut diamonds, the diamonds all totalling 1.6-1.8 carats, stamped 18K, size O1/2 / 7.5, 16.7g. 

Estimate £800 - £1,200

A DIAMOND DRESS RING set with three old cut diamonds accented by further old cut diamonds, the diamonds all totalling 0.9-1.0 carat, marked indistinctly, size H1/2 / 4, 3.1g. 

Estimate £800 - £1,200

AN ANTIQUE FIVE STONE DIAMOND RING in yellow gold, set with five old cut diamonds, the diamonds all totalling 1.2-1.4 carats, no assay marks, size L1/2 / 6, 3.6g. 

Estimate £1,000 - £1,500

A RUBY, SAPPHIRE, EMERALD AND DIAMOND FLY RING designed as a fly set with round cabochon rubies and sapphires, oval cut emeralds and old cut diamonds, the scrolling band with foliate motifs, no assay marks, size L / 5.75, 3.1g.

Estimate £600 - £800

A BLOODSTONE INTAGLIO SIGNET RING in 18ct yellow gold, set with an oval bloodstone intaglio carved to depict a family crest spelling 'VIRTUE ET LABORE' surmounted by a unicorn, full British hallmarks for Birmingham 2003, size M / 6.25, 12.1g. 

Estimate £800 - £1,200

A TSAVORITE GARNET AND DIAMOND ETERNITY RING the band set all around with a single row of octagonal step cut tsavorite garnets, with rows of round cut diamonds to the sides, the tsavorite garnets all totalling 8.5-9.0 carats, no assay marks, size O /

Estimate £2,500 - £3,500

AN AQUAMARINE AND DIAMOND DRESS RING set with an octagonal step cut aquamarine of approximately 44.21 carats, accented on each side by a trio of round brilliant cut diamonds, stamped 14K, size L1/2 / 6, 16.0g. 

Estimate £6,000 - £8,000

A RUBY AND DIAMOND GYPSY RING set with an oval cut ruby accented on each side by a round brilliant cut diamond, stamped 750, size R1/2 / 9, 12.6g. 

Estimate £2,000 - £3,000

A TURQUOISE AND DIAMOND DRESS RING set with a sugarloaf turquoise cabochon in a border of round cut diamonds, with further diamonds to the shoulders, stamped 14K, size O / 7, 5.3g.

Estimate £500 - £700

BOUCHERON, A DECHAINE RING in 18ct white gold, designed with interlocking batons, signed Boucheron and numbered, French assay marks, size I1/2 / 4.75, 8.6g.

Estimate £600 - £800

A SAPPHIRE AND DIAMOND RING set with a round cut sapphire of approximately 0.46 carats accented by old and single cut diamonds, stamped 750, size N1/2 / 7, 2.7g. 

Estimate £600 - £800

A DIAMOND ETERNITY RING set all around with a row of round brilliant cut diamonds, the diamonds all totalling 2.2-2.4 carats, no assay marks, size L1/2 / 6, 5.8g. 

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND FLOWER DRESS RING of quatrefoil design, set with four pear cut emeralds within a border of round cut diamonds, with further diamonds to the shoulders, stamped 18K, size N / 6.75, 2.3g.

Estimate £400 - £600

AN AMETHYST AND DIAMOND RING set with a sugarloaf cabochon amethyst in a border of round cut diamonds, stamped 14K, size L / 5.75, 7.4g. 

Estimate £600 - £800

A DIAMOND DRESS RING the undulating bombe face set with round brilliant cut diamonds all totalling  4.5-5.0 carats, stamped 18K 750, size I / 4.25, 17.5g. 

Estimate £2,000 - £3,000

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a radiant cut diamond of 1.01 carats, full British hallmarks, size K / 5.25, 3.3g. Accompanied by a facsimile gemmological report from GIA stating that the diamond is F colour and VS2 clarity. 

Estimate £2,000 - £3,000

AN AMETHYST AND DIAMOND DRESS RING set with an octagonal step cut amethyst of approximately 19.56 carats, the bifurcated band set with round brilliant cut diamonds, stamped 18CT, size L / 5.75, 14.9g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND DRESS RING set with a large rose cut sapphire of 39.93 carats in a border of round cut diamonds, stamped 18K, size R / 8.5, 16.6g.

Estimate £1,500 - £2,500

A DIAMOND DRESS RING the bombe face comprising a cluster of articulated flowers set with round brilliant cut diamonds, no assay marks, size K / 5.25, 8.6g. 

Estimate £300 - £500

A PERIDOT AND DIAMOND COCKTAIL RING set with an oval cut peridot of 25.95 carats on a bifurcated band accented by round cut diamonds, inscribed 25.95ct, stamped K18, size N / 6.5, 13.5g.

Estimate £1,200 - £1,600

AN ANTIQUE RUBY AND DIAMOND CLUSTER RING in yellow gold, set with a round cut ruby of approximately 0.46 carats in a cluster of old cut diamonds, rose cut diamonds set to the shoulders, no assay marks, size I1/2 / 4.5, 2.0g. 

Estimate £600 - £800

A PLIQUE A JOUR ENAMEL AND DIAMOND PANSY RING in yellow gold, designed as a pansy decorated with purple, blue and green plique a jour enamel, accented by old and rose cut diamonds, no assay marks, size M1/2 / 6.5, 3.6g. 

Estimate £1,200 - £1,600

AN ANTIQUE CORAL, PEARL AND DIAMOND RING in yellow gold, set with three half pearls and two cabochon corals, accented by rose cut diamonds, no assay marks, size V / 10.5, 3.9g. 

Estimate £400 - £600

AN ANTIQUE PEARL AND DIAMOND DRESS RING set with a pearl of 6.6mm accented by two transitional cut diamonds, the shoulders set with round cut diamonds, the principal diamonds both totalling 1.2-1.4 carats, no assay marks, size L1/2 / 6, 4.9g. 

Estimate £4,000 - £6,000

A DIAMOND DRESS RING the openwork geometric ring set with old cut diamonds, the diamonds all totalling 1.1-1.3 carats, no assay marks, size N1/2 / 7, 5.5g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut blue sapphire of 1.29 carats, between two emerald cut diamonds, the diamonds both totalling 0.50 carats, stamped 18K, size N / 6.75, 3.3g.

Estimate £1,200 - £1,600

AN ANTIQUE DIAMOND FIVE STONE RING, LATE 19TH CENTURY in 18ct yellow gold, set with five graduated old cut diamonds accented by rose cut diamonds, all totalling approximately 1.8-2.0 carats, stamped 18ct, size K1/2 / 5.5, 4.0g.

Estimate £1,200 - £1,600

A SAPPHIRE AND DIAMOND GYSPY RING in 18ct yellow gold, set with a cabochon sapphire between two heart brilliant cut diamonds, no assay marks, size M / 6.25, 8.0g. 

Estimate £1,200 - £1,600

AN ANTIQUE GARNET AND PEARL CLUSTER RING in yellow gold, set with a cluster of round cut garnets and seed pearls, no assay marks, size N / 6.75, 10.8g. 

Estimate £800 - £1,200

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with an old cut diamond in a cluster of cushion cut sapphires and old cut diamonds, the shoulders accented by further old cut diamonds, full British hallmarks for Chester 1896, size N1/2 /

Estimate £400 - £600

AN ANTIQUE DIAMOND RING in yellow gold and silver, set with five rose cut diamonds, no assay marks, size L1/2 / 6, 3.1g. 

Estimate £800 - £1,200

AN ANTIQUE DIAMOND AND ENAMEL RING in yellow gold and silver, the navette face set with a rose cut diamond relieved in blue enamel, in a border of further rose cut diamonds, on a trifurcated band, no assay marks, size O1/2 / 7.5, 7.6g. 

Estimate £800 - £1,200

A FANCY COLOUR DIAMOND COCKTAIL RING the bombe design navette shaped face set allover with varicoloured round cut diamonds, the diamonds all totalling 6.5-7.5 carats, stamped 18K, size Q / 8, 13.2g.

Estimate £2,000 - £3,000

A MULTICOLOUR SAPPHIRE ETERNITY RING set all around with a row of octagonal step cut blue, green, yellow, orange and pink sapphires, inscribed 7.17, stamped 750, size N / 6.75, 4.9g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND FLOWER DRESS RING of quatrefoil design, set with four pear cut blue sapphires in a border of round cut diamonds, with further diamonds to the band, stamped 18K, size N / 6.75, 2.6g.

Estimate £400 - £600

A SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut sapphire of approximately 1.15 carats accented by old cut diamonds, no assay marks, size S / 9.25, 4.5g.

Estimate £1,200 - £1,600

AN EMERALD AND DIAMOND DRESS RING the circular face set with four cabochon emeralds and a round brilliant cut diamond, stamped 18K, size K1/2 / 5.5, 12.8g. 

Estimate £600 - £800

AN ANTIQUE STUART CRYSTAL RING in yellow gold, depicting a monogram beneath a faceted Stuart crystal, no assay marks, size O / 7.25, 2.5g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a round cut sapphire of approximately 1.29 carats, accented on each side by a round brilliant cut diamond, the diamonds both totalling 0.6-0.8 carats, full British hallmarks for Lo

Estimate £1,200 - £1,600

AN ANTIQUE DIAMOND CLUSTER RING in yellow gold and silver, set with a cluster of rose cut diamonds, no assay marks, size L1/2 / 6, 4.0g. 

Estimate £1,000 - £1,500

A DIAMOND DRESS RING the navette face set with old cut diamonds, stamped 18CT, size L / 5.75, 3.0g. 

Estimate £600 - £800

A SAPPHIRE AND DIAMOND THREE STONE RING set with an oval cut sapphire of approximately 2.52 carats accented on each side by a cushion cut diamond, the diamonds both totalling 1.9-2.1 carats, stamped 18CT, size N1/2 / 7, 4.5g. 

Estimate £6,000 - £8,000

AN ANTIQUE ENAMEL AND HAIRWORK MOURNING RING in 18ct yellow gold, set with a glass panel containing hairwork, relieved by black enamel, inscribed 'A.R. M.K. Nat Oct. 11 1823 Ob Sept. 23 1824 Et. J.R. M.K. Nat Nov. 17 1824 Ob. Ap 12 1826', indistinct

Estimate £400 - £600

AN ANTIQUE GARNET AND PEARL RING in yellow gold, set with a cushion cut garnet accented on each side by a pearl, no assay marks, size O1/2 / 7.5, 2.3g.

Estimate £300 - £500

MAUBOUSSIN, AN AMETHYST DRESS RING in 18ct yellow and white gold, the ridged band set with a round cabochon amethyst, signed Mauboussin and numbered, stamped 18KT, size I / 4.25, 12.5g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND DRESS RING set with an oval cut blue sapphire of 2.24 carats in a border of round cut diamonds, with baguette cut diamonds to the shoulders, stamped 750, size N / 6.75, 3.5g.

Estimate £1,000 - £1,500

A GREEN TOURMALINE AND DIAMOND DRESS RING set with a step cut bluish-green tourmaline of 3.78 carats, within a geometric face set with round cut diamonds, stamped 18K, size O / 7, 6.7g.

Estimate £1,200 - £1,600

AN EMERALD AND DIAMOND RING / PENDANT set with a cluster of variously cut emeralds in a halo of round cut diamonds, the shoulders accented by further round cut diamonds, the ring face articulated for the ring to be used as a pendant, stamped 18K750,

Estimate £800 - £1,200

A COLOMBIAN EMERALD AND DIAMOND THREE STONE RING in white gold, set with an octagonal step cut emerald of approximately 1.38 carats accented on each side by a round brilliant cut diamond, the diamonds both totalling approximately 2.00 carats, Portugu

Estimate £15,000 - £20,000

AN ART DECO DIAMOND DRESS RING in yellow gold and platinum, the openwork face set with old cut and single cut diamonds, no assay marks, size J1/2 / 5, 3.4g.

Estimate £800 - £1,200

AN AQUAMARINE AND DIAMOND DRESS RING set with an octagonal step cut aquamarine of approximately 27.04 carats, the stylised shoulders designed as flowers set with single cut diamonds, no assay marks, size M1/2 / 6.5, 15.9g. 

Estimate £8,000 - £12,000

A PINK SAPPHIRE AND DIAMOND THREE STONE RING set with an oval cut pink sapphire of approximately 2.30 carats accented on each side by a round brilliant cut diamond, the diamonds both totalling 0.9-1.0 carats, stamped 18CT, size N1/2 / 7, 3.1g. 

Estimate £3,000 - £5,000

CARL OVE FRYDENSBERG, A VINTAGE DANISH SILVER RING in silver, designed as a sphere, COF maker's mark, stamped Sterling Denmark, size P / 7.75, 5.9g. 

Estimate £150 - £250

AN ANTIQUE ENAMEL MOURNING RING in yellow gold, set with an oval glass locket panel with hairwork, decorated with black and white enamel, inscribed to the reverse 'Wm Sims died 16th Augt 1820 Adg 77.', no assay marks, size R / 8.75, 4.3g.

Estimate £500 - £700

AN ANTIQUE EMERALD AND DIAMOND CLUSTER RING in yellow gold and silver, set with a square step cut emerald of approximately 0.66 carats in a cluster of rose cut diamonds, set on a trifurcated band, no assay marks, size P / 7.75, 3.3g. 

Estimate £1,200 - £1,600

AN ANTIQUE BANDED AGATE CAMEO RING in yellow gold, set with an oval banded agate carved to depict the bust of a man, no assay marks, size M / 6.25, 4.8g. 

Estimate £1,000 - £1,500

A COLOMBIAN EMERALD AND DIAMOND DRESS RING set with an octagonal step cut emerald of approximately 2.50 carats, accented by round brilliant and tapered baguette cut diamonds, the diamonds all totalling 3.5-4.0 carats, no assay marks, size M1/2 / 6.5,

Estimate £8,000 - £12,000

A GOLDEN ZIRCON AND DIAMOND RING set with a cushion cut golden zircon of approximately 21.03 carats, the stepped shoulders set with round cut diamonds, no assay marks, size O1/2 / 7.5, 6.8g.

Estimate £1,500 - £2,500

AN UNHEATED RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of 7.75 carats in a double border of round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 8.1g. Accompanied by a gemmological report stating that the ruby shows no indication

Estimate £4,000 - £6,000

A RETRO SYNTHETIC RUBY AND DIAMOND RING in rose gold, set with a row of square step cut rubies, accented by single cut diamonds, no assay marks, size M / 6.25, 12.3g. 

Estimate £600 - £800

THREE GEMSET FULL ETERNITY RINGS one set all around with a row of round brilliant cut diamonds, one set all around with square step cut rubies, and one set all around with square step cut sapphires, each stamped 750, sapphire and ruby ring size L / 5

Estimate £1,500 - £2,500

BULGARI, AN EMERALD AND DIAMOND RING set with a cabochon emerald over a fluted gold section, accented by two round brilliant cut diamonds, signed Bvlgari, stamped 750, size Q / 8, 14.3g. 

Estimate £3,500 - £4,500

A SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 1.36 carats, the band set with round cut diamonds, stamped 18K, size M1/2 / 6.5, 2.3g.

Estimate £600 - £900

A DIAMOND DRESS RING in 18ct white gold, pave set with round brilliant cut diamonds, partial British hallmarks, size M / 6.25, 8.1g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND DRESS RING set with a cushion cut emerald of 2.12 carats, accented by a step cut diamonds arranged in octagonal design, stamped 18K, size N / 6.5, 4.9g.

Estimate £2,500 - £3,500

A RUBY AND DIAMOND FLOWER DRESS RING of quatrefoil design, set with four pear cut rubies in a border of round cut diamonds, with further diamonds to the band, 18K, size N / 6.75, 2.4g.

Estimate £400 - £600

A DIAMOND DRESS RING in 9ct white gold, designed as a flower, set with round cut brown and white diamonds, the diamonds all totalling 1.4-1.6 carats, partial British hallmarks, size N / 6.75, 9.2g.

Estimate £600 - £800

A DIAMOND ENGAGEMENT RING set with a pear cut diamond of approximately 0.60 carats in a border of round brilliant cut diamonds, the band set with further diamonds, no assay marks, size N / 6.75, 3.2g. 

Estimate £1,500 - £2,500

A DIAMOND FIVE STONE RING in 18ct white gold, set with five round brilliant cut diamonds, the diamonds all totalling 0.5-0.6 carats, full British hallmarks for London 1998, size M1/2 / 6.5, 3.7g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND DRESS RING set with a square emerald cut emerald accented by calibre cut emeralds and round cut diamonds, stamped 850 Plat, size N12/ / 7, 4.3g.

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING set with an oval cut blue sapphire of 5.73 carats, in a border of round cut diamonds, the diamonds all totalling 1.8-2.0 carats, stamped 18K, size N / 6.5, 6.6g.

Estimate £4,000 - £6,000

AN EMERALD AND DIAMOND DRESS RING set with a pear cut emerald of 1.43 carats in a border of round cut diamonds, with further diamonds set to the band, stamped 18K, size N / 6.75, 3.4g.

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND RING in 18ct yellow gold, set with a cabochon emerald between trios of round brilliant cut diamonds, inscribed 1.07 0.36, French assay marks, size M / 6.25, 2.8g. 

Estimate £500 - £700

A CEYLON NO HEAT COLOUR CHANGE SAPPHIRE AND DIAMOND RING set with an oval cut colour change sapphire of approximately 4.00 carats in a border of transitional cut diamonds, the diamonds all totalling 0.9-1.0 carats, no assay marks, size M1/2 / 6.5, 7.

Estimate £4,000 - £6,000

FARAONE, A VINTAGE SAPPHIRE, DIAMOND AND ENAMEL DRESS RING in 18ct yellow gold, set with a round cut sapphire of 2.13 carats in a border of step and trillion cut diamonds, the band accented by black enamel, signed Faraone, stamped 750, size J / 4.5,

Estimate £3,000 - £5,000

A DIAMOND RING in 14ct white gold, set with three rows of round brilliant cut diamonds, partial British hallmarks, size O / 7.25, 8.1g. 

Estimate £600 - £800

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING  set with an oval cut sapphire of 4.02 carats in a cluster of round brilliant cut diamonds, single cut diamonds set to the shoulders, no assay marks, size K / 5.25, 5.5g. 

Estimate £8,000 - £12,000

A DIAMOND CLUSTER DRESS RING the circular face set with rose cut diamonds, no assay marks, size O / 7.25, 2.9g.

Estimate £300 - £500

AN EMERALD AND DIAMOND CLUSTER DRESS RING set with an octagonal step cut emerald of 2.82 carats within a border of round cut diamonds, the diamonds all totalling 1.0-1.1 carats, stamped 18K, size N / 6.75, 5.0g.

Estimate £1,500 - £2,500

A DIAMOND DRESS RING the pear shaped face set with clusters of round brilliant and baguette cut diamonds all totalling 3.18 carats, inscribed 3.18, stamped 9K, size M / 6.25, 10.1g. 

Estimate £2,000 - £3,000

A DIAMOND CLUSTER RING set with a cluster of old cut diamonds, the diamonds all totalling 0.8-0.9 carats, stamped 18CT, size Q / 8.25, 3.1g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND CLUSTER RING set with a rectangular step cut sapphire in a cluster of single cut diamonds, no assay marks, size O / 7.25, 2.7g.

Estimate £800 - £1,200

AN OPAL AND DIAMOND DRESS RING set with an oval cabochon opal of approximately 7.0 carats, in a border of rose cut diamonds, no assay marks, size M / 6.25, 5.9g.

Estimate £500 - £700

A DIAMOND AND RUBY DRESS RING set with a cluster of four round cut diamonds within concentric borders of calibre cut rubies and round cut diamonds, with further round cut diamonds to the shoulders, no assay marks, size N / 6.75, 5.4g.

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND CLUSTER RING in yellow gold and silver, set with a cluster of old cut diamonds, the shoulders set with further old and rose cut diamonds, no assay marks, size M / 6.25, 4.0g. 

Estimate £3,000 - £5,000

AN UNHEATED RUBY AND DIAMOND THREE STONE RING in 18ct white gold, set with a cushion cut ruby of 1.16 carats accented on each side by round brilliant cut diamonds, the diamonds both totalling 0.8-0.9 carats, partial British hallmarks, size M / 6.25,

Estimate £2,000 - £3,000

A RUBY AND DIAMOND FLY RING designed as a fly set with rose cut diamonds, the eyes set with round cut rubies, no assay marks, size N / 6.75, 1.9g. 

Estimate £300 - £500

AN AQUAMARINE, SAPPHIRE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 23.94 carats, the shoulders set with trios of round cut sapphires and diamonds, stamped 18K, size K / 5.25, 14.0g. 

Estimate £3,000 - £5,000

A RUBY AND DIAMOND DRESS RING the cushion shaped face set with an oval cut ruby in a border of calibre cut rubies and round cut diamonds, with further diamonds to the band, no assay marks, size N / 6.75, 4.6g.

Estimate £1,000 - £1,500

A PEARL AND DIAMOND RING set with a pearl in a cluster of round brilliant and baguette cut diamonds, stamped Pt900, size L / 5.75, 9.4g. 

Estimate £600 - £800