AN OPAL AND DIAMOND CLUSTER RING in yellow gold, set with a cabochon opal of approximately 6.00 carats in a cluster of round brilliant cut diamonds all totalling 1.8-2.0 carats, no assay marks, size M1/2 / 6.5, 7.2g.

Estimate £4,000 - £6,000

BOUCHERON, A VINTAGE DIAMOND DRESS RING in 18ct yellow gold, the tapering band in a stylised beaded design, accented by round brilliant cut diamonds, signed Boucheron and numbered, French assay marks, size N1/2 / 7, 11.4g. 

Estimate £1,200 - £1,600

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with a cushion cut sapphire between two old cut diamonds, marked indistinctly, size P1/2 / 7.75, 3.7g. 

Estimate £600 - £800

A RUBY AND DIAMOND GYPSY RING in 18ct yellow gold, set with an old European cut diamond of approximately 0.81 carats between two round cut rubies, stamped 18ct, size V / 10.5, 17.4g. 

Estimate £2,500 - £3,500

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with two oval cut sapphires, accented by old cut diamonds, stamped PLAT 18CT, size M1/2 / 6.5, 3.0g. 

Estimate £400 - £600

A THREE STONE DIAMOND RING in 9ct yellow gold, set with three old cut diamonds, the diamonds all totalling approximately 0.70 carats, full British hallmarks for Asprey, Birmingham 1976, size M / 6.25, 1.4g. 

Estimate £600 - £800

NO RESERVE - A SET OF THREE GEMSET ETERNITY RINGS one set all around with a row of rectangular step cut emeralds and rubies, one set all around with rectangular step cut sapphires, and one set all around with round cut white gemstones, sizes M1/2 / 6

Estimate £250 - £350

A ROCK CRYSTAL, DIAMOND, ENAMEL RING in 18ct white gold, comprising a lozenge shaped rock crystal set with a round brilliant cut diamond, within a border of round brilliant cut diamonds and black enamel, the band set with further diamonds and enamel,

Estimate £1,200 - £1,800

A SOLITAIRE DIAMOND RING in 18ct white gold, set with an old cut diamond of approximately 0.95 carats, no assay marks, size M1/2 / 6.5, 3.4g. 

Estimate £1,200 - £1,800

A SAPPHIRE AND DIAMOND RING in platinum, set with a cushion cut blue sapphire of 2.14 carats, accented by pairs of single cut diamonds, no assay marks, size K / 5.25, 1.9g.

Estimate £1,500 - £2,500

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal step cut sapphire of 6.11 carats, the shoulders set with emerald and carre cut diamonds, stamped PT950, size O / 7.25, 7.5g. Accompanied by a gemmological report stating th

Estimate £5,000 - £7,000

A SOLITAIRE DIAMOND ENGAGEMENT RING AND WEDDING BAND SET in 18ct yellow gold, the solitaire ring set with a round brilliant cut diamond of 0.46 carats, the wedding band set with a row of round cut diamonds, stamped 750, size J1/2 / 5, total weight 4.

Estimate £800 - £1,200

A RUBY AND DIAMOND RING in yellow gold, set with a pear cut ruby, accented by two rows of round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 4.9g. 

Estimate £400 - £600

OSCAR HEYMAN, A DIAMOND DRESS RING in 18ct yellow gold and platinum, set with eight octagonal step cut diamonds totalling 1.4-1.6 carats, on a trifucated band, signed HB and numbered, stamped 18K PLAT, size M 1/2 / 6.5, 7.3g.

Estimate £3,000 - £5,000

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with three cushion cut sapphires accented by pairs of old cut diamonds, full British hallmarks for London 1896, size L / 5.75, 3.5g. 

Estimate £500 - £700

A DIAMOND AND ENAMEL DRESS RING in 14ct yellow gold, the openwork face set with round brilliant cut diamonds accented by blue enamel, stamped 14K, size M / 6.25, 7.4g. 

Estimate £800 - £1,200

AN OPAL AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon opal in a cluster of single cut diamonds, no assay marks, size N / 6.75, 4.9g. 

Estimate £800 - £1,200

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of approximately 1.35 carats, no assay marks, size S / 9, 3.1g. 

Estimate £1,200 - £1,800

A 4.35 CARAT DIAMOND SOLITAIRE RING in platinum, set with an old cushion cut diamond of 4.35 carats, signed VCA and numbered, indistinct French marks, adjustable sizing from J / 4.75 to M / 6.25, 5.7g. 

Estimate £25,000 - £35,000

A PINK SAPPHIRE AND DIAMOND BALLERINA CLUSTER RING in 18ct white gold, set with an oval cut pink sapphire of approximately 3.30 carats, in an undulating double cluster of round brilliant cut diamonds, stamped 18, size N1/2 / 7, 7.9g. 

Estimate £2,500 - £3,500

AN AQUAMARINE AND DIAMOND RING in platinum, set with an oval cut aquamarine of 31.73 carats, the shoulders set with round brilliant and baguette cut diamonds all totalling 1.0-1.1 carats, no assay marks, size O / 7.25, 13.9g. 

Estimate £3,000 - £5,000

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire of 4.51 carats in a cluster of round brilliant cut diamonds, the bifurcated band set with further diamonds, inscribed 4.51 D0.60, stamped PT900, size M1/2 / 6.5, 6.

Estimate £4,000 - £6,000

AN AQUAMARINE AND DIAMOND RING in platinum, set with a round cut aquamarine of approximately 6.74 carats, the stepped shoulders set with baguette cut diamonds, stamped PLAT, size Q / 8.25, 6.4g.

Estimate £1,200 - £1,600

A DIAMOND RING in 18ct yellow gold, the tapering band set with two rows of princess cut diamonds, the diamonds all totalling 1.7-1.8 carats, Egyptian assay marks, French import marks, size Q / 8.25, 14.1g. 

Estimate £1,500 - £2,500

A DIAMOND BANGLE in 18ct yellow gold, the hinged bangle set with two rows of princess cut diamonds, the diamonds all totalling 3.2-3.4 carats, Egyptian assay marks, French import marks, inner circumference 19.1cm, 45.7g. 

Estimate £3,500 - £4,500

O J PERRIN, AN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an oval cut emerald of approximately 1.85 carats accented by baguette cut diamonds, the band accented by rows of round brilliant cut diamonds, signed O J PERRIN, French assay marks

Estimate £2,500 - £3,500

A DIAMOND DRESS RING in 18ct white gold, set with a round brilliant cut diamond of approximately 0.85 carats, accented by baguette and round brilliant cut diamonds, no assay marks, size P1/2 / 8.75, 12.3g. 

Estimate £2,500 - £3,500

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with a round cut sapphire of 0.92 carats between two round cut diamonds totalling 0.72 carats, unmarked, size M / 6.25, 3.5g.

Estimate £1,200 - £1,600

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby in a cluster of round brilliant cut diamonds, stamped 18, size P / 7.5, 4.0g. 

Estimate £1,000 - £1,500

A CITRINE AND DIAMOND RING in yellow gold, set with an oval cut citrine in an ornate mount accented by single cut diamonds, no assay marks, size L / 5.75, 5.8g. 

Estimate £400 - £600

VAN CLEEF & ARPELS, A VINTAGE DIAMOND DRESS RING in 18ct yellow gold, comprising interlocking heart shaped links pave set with round brilliant cut diamonds, signed VCA and numbered, French assay marks, size J / 4.75, 8.7g.

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND GYPSY RING in 18ct yellow gold, set with an old European cut diamond of approximately 0.82 carats between two round cut sapphires, stamped 18ct, size U1/2 / 10.25, 16.6g. 

Estimate £2,500 - £3,500

A RUBY AND DIAMOND BOMBE RING in 18ct yellow gold, set with a transitional cut diamond of approximately 0.47 carats in a cluster of round cut rubies, in a woven border mount with trifurcated shoulders, no assay marks, size O1/2 / 7.25, 8.9g. 

Estimate £600 - £800

A CAT'S EYE CHRYSOBERYL DRESS RING in yellow gold, set with a round cabochon cat's eye chrysoberyl, the band designed as rows of twisted ropework, no assay marks, size N / 6.75, 11.2g. 

Estimate £1,000 - £1,500

A GEMSET FLOWER RING in silver, comprising a flower set throughout with round cut sapphire and a cluster of round cut white gemstones, accented by round cut rubies and green garnets, to a stylised band, stamped S925, size N / 6.75, 15.0g.

Estimate £300 - £500

A RUBY AND DIAMOND RING in platinum, set with an oval cut ruby of 1.07 carats, the shoulders accented by two round brilliant cut diamonds, stamped PT900, size J / 4.75, 4.9g. 

Estimate £400 - £600

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut yellow sapphire of 7.92 carats in a cluster of round brilliant and pear cut diamonds, the diamonds all totalling 1.73 carats, stamped PT900, size M / 6.25, 12.3g. 

Estimate £3,000 - £5,000

A RETRO DIAMOND DRESS RING in yellow gold, the wide tapering band set with a cluster of old cut diamonds all totalling 0.9-1.1 carats, no assay marks, size N / 6.75, 8.9g. 

Estimate £600 - £800

A SAPPHIRE, AQUAMARINE AND DIAMOND COCKTAIL RING in white gold, set with a round cut sapphire of approximately 5.85 carats in a cluster of oval cut aquamarines, accented by single cut diamonds, no assay marks, size L1/2 / 6, 9.0g. 

Estimate £2,000 - £3,000

A VINTAGE COLOMBIAN EMERALD AND DIAMOND DRESS RING, 1940S in platinum, the bombe face set with an oval cabochon emerald accented on each side by an old cut diamond, set with further single and rose cut diamonds, Portuguese assay marks, size N1/2 / 7,

Estimate £4,500 - £5,500

A DIAMOND DRESS RING in platinum, the geometric openwork face set with an old European cut diamond of approximately 0.60 carats, accented by further old cut diamonds, marked indistinctly, size N1/2 / 7, 6.6g. 

Estimate £500 - £800

A RUBY AND DIAMOND THREE STONE RING in 18ct white gold, set with an oval cut ruby of approximately 1.63 carats between two old cut diamonds, no assay marks, size P / 7.75, 2.3g.

Estimate £1,500 - £2,500

AN ANTIQUE ENAMEL, PEARL AND DIAMOND MOURNING RING in 18ct yellow gold, set with a pearl between two old cut diamonds in square enamelled borders, inscribed 'Ebenezer Goddard . October 19th 1882 aged 66', stamped 18CT, maker's mark, size N / 6.75, 5.

Estimate £400 - £600

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with three round cut rubies in a cluster of single and old cut diamonds, stamped 18CT PLAT, size M / 6.25, 3.0g. 

Estimate £1,000 - £1,500

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut ruby of approximately 1.25 carats in a cluster of single cut diamonds, no assay marks, size J1/2 / 5, 3.4g.

Estimate £600 - £800

AN ANTIQUE DIAMOND AND SAPPHIRE CLUSTER RING in 18ct yellow gold, set with an old cut diamond of approximately 1.36 carats, in a cluster of square step cut sapphires and further old cut diamonds, stamped 18CT, size N1/2 / 7, 5.4g. 

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND HALF ETERNITY RING in 18ct white gold, set with square step cut sapphires and round brilliant cut diamonds, full British hallmarks, size J / 4.75, 4.1g.

Estimate £300 - £500

A GREEN TOURMALINE AND DIAMOND RING in yellow gold, set with an oval cut green tourmaline of approximately 2.01 carats, each shoulder set with a baguette cut diamond, no assay marks, size M / 6.25, 4.8g.

Estimate £500 - £700

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut ruby of approximately 1.42 carats in a cluster of round cut diamonds, stamped 18CT, size L1/2 / 6, 2.4g. Accompanied by a gemmological report stating that the ruby is

Estimate £1,000 - £1,500

A FINE COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal cut emerald of 3.75 carats within a stylised cluster of marquise cut diamonds, no assay marks, size L / 5.5, sizing beads, 11.7g. 

Estimate £12,000 - £16,000

AN OPAL, PINK SAPPHIRE, EMERALD AND DIAMOND DRESS RING in 14ct yellow gold, set with a pear shaped opal cabochon in a border of round brilliant cut diamonds and pear cut pink sapphires and emeralds, stamped 14K, size O / 7.25, 7.1g. 

Estimate £600 - £800

A RUBY AND DIAMOND CLUSTER RING in platinum, set with an oval cut ruby of 1.31 carats in a stylised cluster of tapered baguette and round brilliant cut diamonds, the diamonds totalling 1.10 carats, inscribed 1.31 D1.10, stamped PT900, size L / 5.75,

Estimate £1,200 - £1,800

A SAPPHIRE AND DIAMOND RING in platinum, the tapering band set with an oval cut sapphire of 1.10 carats accented by round brilliant and baguette cut diamonds, inscribed 1.10 0.35, stamped Pt900, size M / 6.25, 8.3g. 

Estimate £600 - £800

A RUBY AND DIAMOND DRESS RING in white gold, set with old cut diamonds and round cut rubies, no assay marks, size J / 4.75, 2.6g. 

Estimate £300 - £500

AN AQUAMARINE AND DIAMOND CLUSTER RING set with an oval cut aquamarine in a cluster of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, no assay marks, size M1/2 / 6.5, 4.8g.

Estimate £1,000 - £1,500

A SAPPHIRE RING in rose gold, set with three cushion cut sapphires punctuated by pairs of round cut sapphires, the sapphires all totalling 2.5-3.0 carats, no assay marks, size P / 7.5, 3.4g. 

Estimate £500 - £700

NO RESERVE - A MULTICOLOUR SAPPHIRE AND DIAMOND TOI ET MOI RING in 18ct yellow gold, set with a round cut pink and yellow sapphire, accented by round brilliant cut diamonds, full British hallmarks for Sheffield 1992, size Q1/2 / 8.5, 3.3g. 

Estimate £250 - £350

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set to the centre with an oval cut sapphire of 1.32 carats in a border of round brilliant cut diamonds, the diamonds all totalling 0.41 carats, stamped PT900, 1.32 D 0.41, size Q / 8.25, 5.6g. 

Estimate £600 - £800

A KUNZITE AND DIAMOND RING in 18ct yellow gold, set with an oval cut kunzite of approximately 10.12 carats, in a stylised setting set with round brilliant cut diamonds, to diamond set shoulders, full British hallmarks, size N / 6.75, 8.4g.

Estimate £1,200 - £1,600

A RUBY AND DIAMOND RING in 14ct white gold, set with an oval cut ruby between four baguette cut diamonds, over a scrolled gallery, stamped 585, size L / 5.75, 3.5g

Estimate £1,000 - £1,500

A DIAMOND FULL ETERNITY RING in 18ct white gold, the flexible band set all around with a row of round brilliant cut diamonds all totalling 1.50 carats, stamped 750, size Q / 8, 4.2g. 

Estimate £1,000 - £1,500

A BLUE ZIRCON AND DIAMOND RING in white gold, set with a round cut blue zircon of approximately 6.38 carats in a border of round cut diamonds, accented on each shoulder by bullet cut diamonds and further round cut diamonds, no assay marks, size O / 7

Estimate £2,500 - £3,500