A VINTAGE DIAMOND DRESS RING in 18ct yellow and white gold, set with three old cut diamonds in trefoil formation, totalling 0.6-0.8 carats, stamped 18K 750, size N1/2 / 7, 3.8g.

Estimate £700 - £900

A DIAMOND GYPSY RING in 18ct yellow gold, set with a rose cut diamond in a star motif, stamped 18CT, P1/2 / 8, 9.6g. 

Estimate £1,200 - £1,600

A PINK TOURMALINE RING in yellow gold, set with a cabochon pink tourmaline, no assay marks, size L1/2 / 6, 4.7g. 

Estimate £600 - £800

A PEARL AND DIAMOND RING set with a pearl of 6.9mm between pairs of old cut diamonds, no assay marks, size O1/2 / 7.5, 4.1g. 

Estimate £600 - £800

A VINTAGE CAT'S EYE CHRYSOBERYL AND DIAMOND RING in 18ct yellow gold, set with alternating cabochon cat's eyes chrysoberyls and old cut diamonds, inscribed '26/2/60 V.V. to P.M.R.', stamped 18CT, size P / 7.75, 4.0g.

Estimate £1,500 - £2,500

AN ART DECO RUBY AND DIAMOND DRESS RING in yellow gold and platinum, the geometric face set with calibre cut rubies and rose cut diamonds, no assay marks, size N1/2 / 7, 3.0g.

Estimate £500 - £700

A VINTAGE PINK TOURMALINE AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut pink tourmaline of approximately 1.69 carats within a stylised border of old mine cut diamonds, no assay marks, M1/2 / 6.25, 4.4g.

Estimate £800 - £1,200

AN ANTIQUE VICTORIAN RUBY, DIAMOND, AND SAPPHIRE RING in 18ct yellow gold, set with three rows of old cut rubies, diamonds and sapphires, full British hallmarks for Birmingham 1898, size P / 7.75, 3.1g. 

Estimate £1,000 - £1,500

A VINTAGE RUBELLITE TOURMALINE AND DIAMOND COCKTAIL RING, CIRCA 1985 in 18ct yellow gold, set with a cabochon rubellite tourmaline of approximately 23.00 carats, accented by a round brilliant cut diamond of approximately 0.21 carats, signed B, stampe

Estimate £5,000 - £7,000

AN EMERALD AND DIAMOND GYPSY RING in 18ct white gold, set with an oval cabochon emerald accented by two round brilliant cut diamonds, stamped 750, size J / 4.75, 8.3g. 

Estimate £600 - £800

NO RESERVE - A DIAMOND THREE STONE RING set with three old cut diamonds totalling 1.8-2.0 carats, no assay marks, size N / 6, 2.7g. 

Estimate £1,500 - £2,500

AN ANTIQUE RUBY AND DIAMOND RING in yellow gold, in checkerboard design, set with four rows of alternating round cut rubies and old cut diamonds, the diamonds all totalling 1.5-2.0 carats, no assay marks, size N / 6.75, 8.9g. 

Estimate £3,000 - £5,000

AN ART DECO RUBY, SAPPHIRE AND DIAMOND DRESS RING in platinum, the Egyptian revival style face set with tapered baguette and baguette cut rubies and sapphires, accented by old, single, and round brilliant cut diamonds, no assay marks, size L1/2 / 6,

Estimate £800 - £1,200

A VINTAGE DIAMOND AND SAPPHIRE FIVE STONE RING in yellow gold, set with an alternating row of oval cut sapphires and old cut diamonds, the diamonds totalling 0.9-1.1 carats, the sapphires totalling 1.0-1.5 carats, marked indistinctly, size N / 6.75,

Estimate £1,500 - £2,500

A PEARL AND DIAMOND RING in 18ct white gold, set with a pearl of 7.7mm, the shoulders accented by single cut diamonds, stamped 18ct, size O / 7.25, 2.2g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.50 carats in a cluster of old cut diamonds, further old cut diamonds accenting the shoulders, the diamonds all totalling 1.0-1.5 carats, stamped

Estimate £1,500 - £2,500

AN ANTIQUE RUBY AND DIAMOND FIVE STONE RING in 15ct yellow gold, set with a row of alternating rose cut rubies and diamonds, stamped 15C, size M1/2 / 6.5, 2.6g. 

Estimate £250 - £350

AN ANTIQUE PEARL AND ENAMEL HAIRWORK MOURNING RING in 15ct yellow gold, designed as a belt, set with three pearls on a background of black enamel, hairwork set around the band, partial British hallmarks, size N1/2 / 7, 1.9g. 

Estimate £150 - £250

AN ANTIQUE PEARL, TURQUOISE AND DIAMOND CLUSTER RING in yellow gold, set with a pearl with an applied rose cut diamond in a cluster of round cabochon turquoise, no assay marks, size L / 5.75, 2.0g. 

Estimate £600 - £800

A PINK SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut pink sapphire of 1.08 carats in a cluster of round brilliant cut diamonds, full British hallmarks, size N / 6.75, 3.9g. 

Estimate £1,200 - £1,600

AN ANTIQUE SAPPHIRE AND DIAMOND FIVE STONE RING in yellow gold, set with a row of alternating round cut sapphires and old cut diamonds, no assay marks, size L1/2 / 6, 3.7g. 

Estimate £300 - £500

AN ANTIQUE ONYX AND PEARL RING in yellow gold, set with an octagonal piece of onyx with an applied flower motif accented by rose cut diamonds, within a border of pearls, French import marks, size O / 7.25, 6.1g. 

Estimate £600 - £800

AN AGATE INTAGLIO RING in yellow gold, set with an oval agate intaglio carved to depict a classical soldier, no assay marks, size R / 8.75, 14.0g. 

Estimate £1,500 - £2,500

AN ANTIQUE GARNET, PEARL AND ENAMEL MOURNING RING, 19TH CENTURY in yellow gold, set with an elongated oval cabochon garnet in a border of pearls, the band set with black and white enamel, inscribed to the reverse 'W.P. Guttridge Died Dec 12th 1868 ag

Estimate £2,000 - £3,000

THEO FENNELL, A PINK SPINEL RING in 18ct yellow gold, set with an oval cut pink spinel of approximately 1.25 carats, signed Theo Fennell, full British hallmarks for London 1998, size I / 4.25, 3.6g. 

Estimate £1,200 - £1,600

BOUCHERON, A SOLITAIRE DIAMOND RING in 18ct rose gold, set with a round brilliant cut diamond of approximately 0.20 carats, signed Boucheron, stamped Au750, size M / 6.25, 3.6g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND RING in 14ct yellow gold, set with a pear cut emerald accented by a rose cut diamond on each side, partial British hallmarks, size S / 9.25, 2.3g. 

Estimate £150 - £250

AN INTERNALLY FLAWLESS SOLITAIRE DIAMOND RING in 18ct yellow gold and platinum, set with a round brilliant cut diamond of 1.75 carats, stamped 18ct PT, size M / 6.25, 8.9g. Accompanied by a facsimile report from the GIA stating that the diamond is J

Estimate £8,000 - £12,000

AN AQUAMARINE AND DIAMOND RING in white gold, set with a cushion cut aquamarine of 7.07 carats, to stylised bifurcated diamond set shoulders, set with baguette cut and single cut diamonds, stamped Au750, size O1/2 / 7.5, 5.0g.

Estimate £1,000 - £1,500

AN EMERALD RING in 18ct white gold, set with an octagonal step cut emerald of approximately 3.52 carats, stamped 750, size P1/2 / 8, 3.6g.

Estimate £1,000 - £1,500

A DIAMOND FULL ETERNITY RING set all around with a row of baguette cut diamonds all totalling 5.8-6.0 carats, no assay marks, size M1/2 / 6.5, 5.8g. 

Estimate £4,000 - £6,000

A SOLITAIRE DIAMOND RING in platinum, set with an oval cut diamond of 2.01 carats in a border of round brilliant cut diamonds, the band accented by further diamonds, stamped PT950, size M / 6.25, 8.2g. Accompanied by a gemmological report stating tha

Estimate £10,000 - £15,000

A SOLITAIRE DIAMOND AND SAPPHIRE RING set with a cushion cut diamond of 0.51 carats, the band set with round cut sapphires, no assay marks, size L / 5.75, 2.6g. Accompanied by a gemmological report from the GIA stating that the diamond is E colour an

Estimate £600 - £800

A GREEN TOURMALINE AND DIAMOND RING in 18ct white gold, set with a round cut green tourmaline of approximately 6.07 carats, the openwork scrolling band set with round brilliant cut diamonds, stamped 750, size L / 5.75, 8.6g. 

Estimate £800 - £1,200

A RUBY AND DIAMOND RING in 18ct white gold, set with a cabochon ruby in a border of single cut diamonds, the band in openwork design, stamped 18K, size K / 5.25, 3.1g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND NAVETTE RING set with a marquise cut emerald of approximately 1.93 carats accented by round brilliant cut diamonds, no assay marks, size P1/2 / 8, 6.1g. 

Estimate £800 - £1,200

A DIAMOND DRESS RING in platinum, set with a row of baguette cut diamonds accented on each side by a row of round brilliant cut diamonds, the diamonds all totalling 2.98 carats, full British hallmarks, size N1/2 / 7, 11.1g. 

Estimate £3,000 - £5,000

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut sapphire of approximately 1.80 carats in a cluster of round brilliant cut diamonds, stamped 18CT, size O / 7.25, 4.7g. 

Estimate £1,500 - £2,500

A DIAMOND ENGAGEMENT RING in platinum, set with a heart brilliant cut diamond of 2.10 carats, the band half set with a row of princess cut diamonds, full British hallmarks, size N / 6.5, 7.2g.

Estimate £12,000 - £16,000

A DIAMOND DRESS RING in platinum, set with a row of graduating baguette cut diamonds accented by two rows of round brilliant cut diamonds, the diamonds all totalling 2.55 carats, full British hallmarks, size N / 6.75, 14.7g. 

Estimate £3,000 - £5,000

A VINTAGE PEARL AND DIAMOND RING set with a pearl of 8.7mm accented by two rows of single cut diamonds, no assay marks, R1/2 / 9, 6.2g. 

Estimate £300 - £500

NO RESERVE - A PINK TOURMALINE, RUBY AND DIAMOND RING set with an emerald cut pink tourmaline in a border of rose cut diamonds, accented by step cut rubies, with further rose cut diamonds accenting the band, stamped 750, size N / 7, 3.0g.

Estimate £1,000 - £1,500

A JADEITE JADE AND DIAMOND DRESS RING in platinum, set with an oval polished jade of 13.30 carats in a scrolling border of baguette and round brilliant cut diamonds, inscribed J13.30, stamped Pt900, size N / 6.75, 10.6g. 

Estimate £2,000 - £3,000

A DIAMOND DRESS RING the geometric face set with three principal old cut diamonds, the stepped shoulders set with single cut diamonds, the diamonds all totalling 1.4-1.6 carats, no assay marks, size Q / 8.25, 8.8g. 

Estimate £2,000 - £3,000

A PINK SAPPHIRE AND DIAMOND THREE STONE RING in 18ct white gold, set with an oval cut pink sapphire of approximately 1.31 carats between two round brilliant cut diamonds both totalling 0.9-1.0 carat, partial British hallmarks, size S / 9.25, 5.0g. 

Estimate £3,000 - £5,000

A PEARL AND DIAMOND RING set with a pearl of 7.0mm, the shoulders set with rose cut diamonds, no assay marks, size I1/2 / 4.5, 2.6g. 

Estimate £400 - £600

AN ANTIQUE VICTORIAN PEARL AND ENAMEL MOURNING RING in 18ct yellow gold, set with a rose cut diamond in a cluster of pearls, accented by black enamel with black enamel shoulders reading 'In Memory Of', partial British hallmarks for 1864, size J1/2 /

Estimate £500 - £700

NO RESERVE - AN AMETHYST AND DIAMOND CLUSTER RING set with an oval mixed cut amethyst in a cluster of rose cut diamonds, no assay marks, size K / 5, 4.0g.

Estimate £300 - £500

AN OPAL, SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with a cabochon opal in a cluster of fancy cut sapphires and old cut diamonds, no assay marks, size O / 7.25, 4.0g. 

Estimate £2,500 - £3,500

AN ANTIQUE SAPPHIRE AND DIAMOND GYPSY RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a round cut sapphire between two old cut diamonds in star settings, stamped 18CT, size H1/2 / 4, 2.9g. 

Estimate £250 - £350

AN ANTIQUE GEORGIAN GARNET AND PEARL MOURNING RING in 18ct yellow gold, set to the centre with a cabochon garnet to a surround of seed pearls and a further surround of black enamel, to an engraved border and engraved shoulders, the back of the ring i

Estimate £600 - £800

A CARVED HARDSTONE AND DIAMOND DOG RING comprising a grey hardstone carved to depict the head of a dog, the eyes set with round cut diamonds, no assay marks, size I / 4.25, 4.0g. 

Estimate £800 - £1,200

AN ANTIQUE EDWARDIAN OPAL FIVE STONE RING in 18ct yellow gold, set with five graduating oval cabochon opals, accented by rose cut diamonds, full British hallmarks for Chester 1903, size K1/2 / 5.5, 4.1g. 

Estimate £400 - £600

A SYNTHETIC RUBY, DIAMOND AND PEARL NAVETTE RING in yellow gold, the navette shaped face set with a pearl accented by calibre cut synthetic rubies and rose cut diamonds, no assay marks, size K1/2 / 5.5, 4.0g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND AND ENAMEL RING in yellow gold, the navette shaped face set with old and rose cut diamonds accented by rows of blue enamel, no assay marks, size K1/2 / 5.5, 5.8g. 

Estimate £1,500 - £2,500

A VINTAGE RUBY AND DIAMOND RING in 18ct yellow gold, designed as a scroll set with alternating rubies and old cut diamonds, stamped 18, size O / 7.25, 4.6g. 

Estimate £350 - £450

AN ANTIQUE VICTORIAN CORAL AND PEARL RING in 18ct yellow gold, set with a row of polished pink coral to a surround of seed pearls, stamped 18CT, size O1/2 / 7.5, 4.7g. 

Estimate £600 - £800

A DIAMOND GYPSY RING in 18ct yellow gold, set with an old cut diamond of approximately 0.91 carats, stamped 18CT, size R1/2 / 9, 6.6g. 

Estimate £1,500 - £2,500

AN OPAL AND DIAMOND NAVETTE RING in yellow gold, set with a cabochon opal accented by round brilliant cut diamonds, the band set with further diamonds, no assay marks, size Q / 8, 9.0g. 

Estimate £1,500 - £2,500

A DIAMOND BAND RING in 14ct yellow and white gold, the bicolour band set with a round brilliant cut diamond of approximately 0.20 carats, stamped 14K, size L1/2 / 6, 5.1g. 

Estimate £250 - £350

STEPHEN WEBSTER, A ROCK CRYSTAL AND DIAMOND CRYSTAL HAZE DRESS RING in 18ct yellow gold, set with a faceted rock crystal dome, accented by round brilliant cut diamonds, SW maker's mark, full British hallmarks, size J1/2 / 5, 12.9g. 

Estimate £800 - £1,200

A JADEITE JADE AND DIAMOND RING in 18ct yellow gold, set with an oval cabochon jadeite jade to stylised round brilliant cut shoulders, stamped 18K, size N / 6.75, 5.5g. 

Estimate £300 - £500

PIAGET, A RUBY AND DIAMOND DRESS RING in 18ct yellow gold, set with a row of round cut rubies and round brilliant cut diamonds in a zig-zag design, signed Piaget, stamped 750 18K, size M / 6.25, 3.6g. 

Estimate £250 - £350

CARTIER, A VINTAGE DIAMOND KNOT RING, 1989 in 18ct yellow gold, the band designed as a knot accented by pave set round brilliant cut diamonds, signed Cartier 1989 and numbered, European convention mark, size Q / 8.25, 14.3g. 

Estimate £1,500 - £2,500

A GROUP OF THREE GEMSET AND DIAMOND RINGS in 18ct yellow gold, each band suspending a round brilliant cut diamond and heart shaped citine, pink tourmaline and aquamarine, full British hallmarks, size K / 5.25, size L / 5.75, size M / 6.25, total weig

Estimate £1,500 - £2,500

A RUBY AND DIAMOND DRESS RING in 18ct yellow gold, set to the centre with an round cut ruby of approximately 0.70 carats, to baguette cut diamond shoulders, accented by further round brilliant cut diamonds, full British hallmarks, size K / 5.25, 10.2

Estimate £1,500 - £2,500

AN ANTIQUE GEORGIAN DIAMOND CLUSTER RING in silver and yellow gold, set with a cluster of rose cut diamonds, no assay marks, size O1/2 / 7.5, 3.7g. 

Estimate £500 - £700

A DIAMOND CLUSTER RING in yellow gold and silver, the openwork face set with a cluster of old cut diamonds, no assay marks, size N1/2 / 7, 5.8g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with a row of alternating round cut sapphires and round brilliant cut diamonds, inscribed D0.27 G0.55, full British hallmarks, size N / 6.75, 5.0g. 

Estimate £600 - £800

A SAPPHIRE AND DIAMOND RING in 18ct white gold, set with an oval cut sapphire of 1.40 carat between a row of graduating French cut sapphires, within a border of round brilliant cut diamonds, stamped 750, size N / 6.75, 5.8g. 

Estimate £1,500 - £2,500

A DIAMOND CLUSTER RING in platinum, set with a round brilliant cut diamond of 0.58 carats in a border of round brilliant cut diamonds, further round brilliant cut diamonds accenting the band, the diamonds all totalling 1.20 carats, full British hallm

Estimate £2,500 - £3,500

A SYNTHETIC RUBY AND DIAMOND HALF ETERNITY RING in 18ct white gold, set with alternating square step cut synthetic rubies and princess cut diamonds, full British hallmarks, stamped 18K 750, size M1/2 / 6.5, 6.2g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 3.46 carats, the scale like shoulders accented by round brilliant cut diamonds, no assay marks, size R / 8.5, 6.0g. 

Estimate £2,000 - £3,000

A VINTAGE RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set to the centre with a round brilliant cut diamond of approximately 0.35 carats, to a surround of round cut rubies and round brilliant cut diamonds, full British hallmarks for London 1976,

Estimate £600 - £800

A VINTAGE DIAMOND RING in platinum and 18ct white gold, the geometric face set with old cut diamonds, the diamonds all totalling 2.0-2.5 carats, stamped 18CT & PLAT, size L / 5.75, 6.1g. 

Estimate £1,000 - £1,500

A VINTAGE PINK TOURMALINE AND DIAMOND CLUSTER RING, CIRCA 1985 in yellow gold, set with a cushion cut pink tourmaline of approximately 3.00 carats within a cluster of round brilliant cut diamonds, the diamonds all totalling 1.0-1.2 carats, no assay m

Estimate £3,000 - £5,000

A DIAMOND DRESS RING in platinum, the geometric face set throughout with round brilliant and single cut diamonds, the band set with further diamonds, no assay marks, size N / 6.75, 8.4g.  

Estimate £1,500 - £2,500

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow and white gold, set with an octagonal step cut emerald of approximately 3.53 carats in a border of round brilliant cut diamonds, full British hallmarks, size P1/2 / 8,  6.1g. Accompanied by

Estimate £2,000 - £3,000

A RUBY AND DIAMOND CLUSTER RING in platinum, set with a cushion cut ruby between two oval cut rubies within a cluster of round brilliant cut diamonds, the diamonds totalling 1.6-1.8 carats, stamped PLAT, size P1/2 / 8, 9.2g.

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut sapphire of approximately 3.25 carats in a cluster of round brilliant cut diamonds, further round brilliant cut diamonds accenting the shoulders, the diamonds all totalling 1.0-1.5

Estimate £3,500 - £4,500

AN AMETHYST AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut amethyst of 2.11 carats in a cluster of round brilliant cut diamonds, inscribed 2.11 .74, full British hallmarks, size M / 6.25, 6.6g. 

Estimate £1,000 - £1,500

Estimate £4,000 - £6,000

A SPESSARTINE GARNET AND DIAMOND CLUSTER RING in platinum, set with an oval cut spessartine garnet in a border of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, full British hallmarks, size M / 6.25, 5.2g. 

Estimate £5,000 - £7,000

A RUBY AND DIAMOND ETERNITY RING in platinum, set all around with alternating groups of French cut rubies and round brilliant cut diamonds, stamped PT 950, size M / 6.25, 4.5g. 

Estimate £1,000 - £1,500

A DIAMOND FIVE STONE RING in platinum, set with five round brilliant cut diamonds, the diamonds all totalling 1.54 carats, full British hallmarks, size N / 6.75, 5.0g. 

Estimate £2,000 - £3,000

AN AQUAMARINE AND DIAMOND DRESS RING in platinum, set with an octagonal step cut aquamarine of approximately 0.90 carats in a border of round brilliant cut diamonds, stamped PLAT, size N / 6.75, 3.8g. 

Estimate £800 - £1,200

NO RESERVE- AN AQUAMARINE AND DIAMOND RING set with an oval cut aquamarine of 3.90 carats in a border of round brilliant cut diamonds, the band set with further round brilliant cut diamonds, no assay marks, size Q / 8, 6.6g. 

Estimate £2,500 - £3,500

A DIAMOND CLUSTER RING in 18ct yellow gold, set with a row of princess cut diamonds in a cluster of round brilliant cut diamonds, the diamonds all totalling 2.55 carats, inscribed 2.55, full British hallmarks, size M / 6.25, 8.0g. 

Estimate £3,000 - £5,000

A SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of approximately 3.00 carats in a cluster of round brilliant cut diamonds, the shoulders set with further diamonds, no assay marks, size Q1/2 / 8.25, 6.1g. 

Estimate £1,500 - £2,500

A TSAVORITE GARNET AND DIAMOND CLUSTER RING in platinum, set with an oval cut tsavorite garnet in a border of round brilliant cut diamonds, further round brilliant cut diamonds accenting the shoulders, full British hallmarks, size L1/2 / 6, 6.0g. 

Estimate £1,500 - £2,500

A VINTAGE DIAMOND DRESS RING set with a transitional cut diamond of approximately 1.50 carats in an oval border set with two rows of single cut diamonds, the band set with further diamonds, no assay marks, size M1/2 / 6.5, 6.5g. 

Estimate £6,000 - £8,000

AN EMERALD AND DIAMOND THREE STONE RING in 14ct white gold, in crossover design set with a square step cut emerald accented by round brilliant cut diamonds, stamped 585, size R / 8.75, 4.8g. 

Estimate £1,000 - £1,500

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds, the diamonds all totalling 1.61 carats, full British hallmarks, size N1/2 7, / 4.1g. 

Estimate £1,500 - £2,500

A PEARL AND DIAMOND RING in platinum, set with a pearl of 5.8mm to rose cut diamond set shoulders, stamped PLATIN, size K / 5.25, 2.2g.  

Estimate £500 - £700

A DIAMOND DRESS RING in 18ct white gold, set with a round cut diamond in a cluster of trillion cut diamonds, the diamonds all totalling 1.13 carats, full British hallmarks, size M1/2 / 6.5, 4.6g. 

Estimate £800 - £1,200

AN EMERALD AND DIAMOND CLUSTER RING set with an oval cut emerald of approximately 2.71 carats in a cluster of round brilliant cut diamonds, the shoulders set with further diamonds, no assay marks, size P / 7.75, 5.6g. 

Estimate £1,500 - £2,500

A STAR SAPPHIRE AND DIAMOND RING in platinum, set with a star sapphire of approximately 4.00 carats, between baguette cut diamonds, stamped M PT900, size K1/2 / 5.5, 6.9g

Estimate £1,000 - £1,500

A DIAMOND CLUSTER RING in 18ct white gold, set with baguette cut diamonds in a border of round brilliant cut diamonds, the diamonds all totalling 1.47 carats, full British hallmarks, M1/2 / 6.5, 5.2g. 

Estimate £2,500 - £3,500

AN AQUAMARINE AND DIAMOND RING in platinum set with an oval cut aquamarine of 9.21 carats to diamond set shoulders over a scrolled gallery, stamped Pt950, size M / 6.25, 8.2g.

Estimate £1,000 - £1,500

A VINTAGE EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an octagonal step cut emerald in a cluster of round brilliant and baguette cut diamonds, stamped 750, size N / 6, 7.0g. 

Estimate £3,000 - £5,000

A VINTAGE FRENCH SAPPHIRE FLOWER BROOCH in 18ct yellow gold, the centre of the flower set with a cluster of sapphires, to a surround of hinged and articulated gold mesh petals, to a gold stem, French assay marks, 6.8cm, 15.5g. 

Estimate £2,000 - £3,000

AN ONYX AND DIAMOND DRESS RING in platinum, the rectangular face comprising polished onyx set with three old European cut diamonds, within a scrolling border set with round cut diamonds, stamped 950, size N / 6.75, 5.0g. 

Estimate £1,000 - £1,500

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds all totalling 1.8-2.0 carats, full British hallmarks, size N1/2 / 7, 7.2g. 

Estimate £1,000 - £1,500

A VINTAGE PEARL CLUSTER RING in 18ct yellow gold, set with a cluster of pearls, stamped 18CT, size P / 7.75, 4.1g.

Estimate £200 - £300

A RUBY AND DIAMOND CLUSTER RING set with an elongated oval cut ruby of approximately 1.84 carats in a cluster of round brilliant cut diamonds, no assay marks, size P1/2 / 8, 4.5g. 

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND DRESS RING set with an oval cut emerald of approximately 1.00 carat in an openwork border accented by single cut diamonds, no assay marks, size Q / 8, 5.9g. 

Estimate £800 - £1,200

A PINK SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an octagonal step cut pink sapphire of 3.03 carats in a border of round brilliant cut diamonds, full British hallmarks, size M / 6.25, 7.2g. 

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND RING in platinum, set with an oval cut emerald of 1.51 carats accented on each side by a round brilliant cut diamond, full British hallmarks, size L1/2 / 6, 5.4g. 

Estimate £1,200 - £1,600

A VINTAGE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals accented by four round brilliant cut diamonds, full British hallmarks for London 1983, size M1/2 / 6.5, 3.4g.

Estimate £800 - £1,200

AN OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a pear shaped cabochon opal in a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.26, 5.9g. 

Estimate £1,500 - £2,500

A CITRINE AND DIAMOND RING set with an oval cut citrine of approximately 29.70 carats accented by a row of princess cut diamonds all totalling 1.4-1.6 carats, no assay marks, size U / 10, 15.6g. 

Estimate £600 - £800

A JADEITE JADE AND DIAMOND RING in 18ct white gold, set with an oval cabochon jadeite jade of 3.80 carats accented on each side by a baguette cut diamond, inscribed 3.808 .71, stamped K750, size K1/2 / 5.5, 7.7g. 

Estimate £2,000 - £3,000

A PERIDOT AND DIAMOND THREE STONE RING in platinum, set with an oval cut peridot between two round brilliant cut diamonds, full British hallmarks, size L1/2 / 6, 3.1g. 

Estimate £300 - £500

A DIAMOND HALF ETERNITY RING in 18ct yellow gold, set with a row of round brilliant cut diamonds, the diamonds all totalling 1.03 carats, full British hallmarks, size M / 6.25, 4.0g. 

Estimate £1,500 - £2,500

A VINTAGE EMERALD AND DIAMOND RING in yellow gold, set with a rectangular step cut emerald between two trillion cut diamonds, accented by two rows of round brilliant cut diamonds, no assay marks, size N / 6.75, 15.9g. 

Estimate £4,000 - £6,000

A PEARL AND DIAMOND CLUSTER RING in 18ct white gold and platinum, set with a pearl of 8.1mm on a border of single cut diamonds, the shoulders set with rose cut diamonds, stamped 18ct & PLAT, size O / 7.25, 4.4g. 

Estimate £200 - £300

A RUBY AND DIAMOND FLOWER RING in platinum, designed as a flower set with an old cut diamond of approximately 0.61 carats in a cluster of calibre cut rubies and round cut diamonds, stamped P950, size P / 7.75, 4.0g. 

Estimate £3,000 - £5,000

A DIAMOND CLUSTER RING set with a cluster of round brilliant cut diamonds, the diamonds all totalling 1.5-1.8 carats, no assay marks, size O1/2 / 7.5, 5.8g. 

Estimate £1,000 - £1,500

AN AQUAMARINE AND DIAMOND RING in platinum, set with an octagonal step cut aquamarine of approximately 4.82 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size M1/2 / 6.5, 6.8g.

Estimate £1,500 - £2,500

CHAUMET, A SOLITAIRE DIAMOND RING in 18ct white gold, the stylised band set with a round brilliant cut diamond of approximately 0.25 carats, signed CHAUMET PARIS and numbered, stamped 750, French assay marks, size L1/2 / 6, 9.1g. 

Estimate £600 - £800

AN AQUAMARINE AND DIAMOND RING in white gold, set with a cushion cut aquamarine of 6.56 carats to stylised bifurcated shoulders set with single cut diamonds, stamped Au750, size R / 8.75, 4.5g.

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND ETERNITY RING in platinum, set all around with alternating groups of French cut sapphires and round brilliant cut diamonds, stamped PT 950, size M / 6.25, 3.8g. 

Estimate £400 - £600

AN EMERALD AND DIAMOND CLUSTER RING in yellow and white gold, set with an oval cut emerald of approximately 1.10 carats in a cluster of round brilliant cut diamonds, to a knife edge shank, no assay marks, size N / 6.75, 3.9g.

Estimate £1,500 - £2,500

NO RESERVE - A DIAMOND CLUSTER RING set to the centre with a round brilliant cut diamond, in a double cluster of round brilliant cut diamonds, stamped 750, size M / 6, 2.5g.

Estimate £300 - £500

A DIAMOND HALF ETERNITY RING in platinum, the band half set with a row of baguette cut diamonds, stamped PT 950, size M / 6.25, 3.9g. 

Estimate £400 - £600

A PASTE HEART RING in yellow gold and silver, the heart shaped face set with a round cut blue paste stone accented by round cut white paste stones, no assay marks, size  L / 5.75, 5.9g. 

Estimate £80 - £120

AN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opal in a cluster of rose cut diamonds, stamped 18CT & PLATINUM, size M / 6.25, 2.7g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a marquise cut sapphire between two marquise cut diamonds, full British hallmarks, size L / 5.75, 3.6g. 

Estimate £300 - £500

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 2.85 carats between stepped shoulders set with round brilliant cut diamonds, no assay marks, size Q1/2 / 8.5, 4.6g. 

Estimate £1,500 - £2,500

AN ANTIQUE PASTE CLUSTER RING in yellow gold and silver, set with a cluster of round cut paste stones, marked indistinctly, size K / 5.25, 3.5g. 

Estimate £300 - £500

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with a cushion cut aquamarine of approximately 3.50 carats in a cluster of round cut diamonds, further round cut diamonds accenting the shoulders, stamped PLAT, size M1/2 / 6.5, 7.7g. 

Estimate £1,500 - £2,500

A LAPIS LAZULI INTAGLIO RING in silver, the stylised silver band set with a lapis lazuli intaglio depicting a head with three faces, no assay marks, size Q1/2 / 8.5, 18.9g. 

Estimate £200 - £300

A DIAMOND THREE STONE RING in 18ct white gold, set with three round brilliant cut diamonds, the diamonds all totalling 1.20 carats, full British hallmarks, size M / 6.25, 3.9g. 

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal step cut emerald of 1.00 carat in a border of round brilliant cut diamonds, the shoulders accented by further round brilliant cut diamonds, full British hallmarks, L1/2 / 6, 5.3g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with an oval cut emerald of 0.69 carats in a border of round brilliant cut diamonds, further round brilliant cut diamonds accenting the band, full British hallmarks, size L1/2 / 6, 4.1g. 

Estimate £800 - £1,200

A BROWN AND WHITE DIAMOND RING in 14ct white gold, set with a trillion cut brown diamond of approximately 0.52 carats in a border of round brilliant cut diamonds, the bifurcated band set with further diamonds, stamped 585, size M / 6.25, 3.7g. 

Estimate £800 - £1,200

A RUBY FULL ETERNITY RING in platinum, channel set throughout with carre cut rubies, the sides engraved with detailing, no assay marks, size I / 4.25, 2.8g.

Estimate £800 - £1,200

A RUBELLITE TOURMALINE AND DIAMOND RING in platinum, set with a cushion cut rubellite tourmaline of approximately 1.98 carats, shoulders set with trillant cut diamonds, to a bifurcated band set with further round brilliant cut diamonds, stamped GJJ,

Estimate £2,000 - £3,000

A THREE STONE DIAMOND RING in platinum, set with three round brilliant cut diamonds, the diamonds all totalling 0.75 carats, full British hallmarks, size K / 5.25, 4.3g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with a cushion cut sapphire of 0.86 carats between two round brilliant cut diamonds, partial British hallmarks, size L1/2 / 6, 4.2g. 

Estimate £600 - £800

A SAPPHIRE AND DIAMOND RING in platinum, set with a round cut sapphire of 0.73 carats in a border of round brilliant cut diamonds, further round brilliant cut diamonds accenting the band, full British hallmarks, size M1/2 / 6.5, 5.6g. 

Estimate £800 - £1,200