NO RESERVE - AN ANTIQUE VICTORIAN BELT BUCKLE RING in 18ct yellow gold, designed as a belt, full British hallmarks for Birmingham 1880, size S / 9, 7.9g. 

Estimate £200 - £300

AN ANTIQUE VICTORIAN RUBY AND DIAMOND RING in 15ct yellow gold, set to the centre with an oval cut ruby flanked by two round brilliant cut diamonds on each side, full British hallmarks for Chester 1895, size K / 5.25, 2.7g. 

Estimate £400 - £600

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cushion cut sapphire in a cluster of round brilliant cut diamonds, stamped 18CT PL, size M1/2 / 6.5, 2.1g. 

Estimate £600 - £800

FOUR GEMSET RINGS in yellow gold, comprising a ring set with a cluster of old cut diamonds, partially obscured British hallmarks, size L1/2 / 6, 2.3g, a ring set with a pearl of 6.2mm, no assay marks, size K1/2 / 5.5, 1.4g, a ring set with a cluster

Estimate £400 - £600

AN AQUAMARINE AND DIAMOND RING in 18ct white gold, set with an octagonal step cut aquamarine of 3.90 carats, the shoulders set with baguette and round brilliant cut diamonds, inscribed 3.90, stamped 750, size M1/2 / 6.5, 5.2g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut sapphire of 4.05 carats in a cluster of round brilliant cut diamonds, stamped 750, size N / 6.75, 5.6g. 

Estimate £3,000 - £5,000

A DIAMOND DRESS RING in platinum, set with an old cut diamond of approximately 1.10 carats, flanked by baguette and single cut diamonds, stamped PLAT, size O / 7.25, 4.1g.

Estimate £2,000 - £3,000

A DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cluster of round brilliant cut diamonds, stamped 18CT&PLAT, size K / 5.25, 3.0g. 

Estimate £600 - £800

A DIAMOND CLUSTER RING in 18ct gold, set with a cluster of round brilliant cut diamonds, maker's mark MS, full British hallmarks, size N1/2 /7, 4.3g. 

Estimate £1,500 - £2,000

AN EMERALD SNAKE RING in 18ct yellow gold, designed as a coiled snake, the eyes set with round cut emeralds, stamped 750, size W / 11, 18.1g. 

Estimate £1,200 - £1,600

AN ONYX AND DIAMOND DRESS RING in 14ct yellow gold, set with a round brilliant cut diamond and two polished onyx batons, stamped 14K, size N / 6.75, 8.2g. 

Estimate £300 - £500

VAN CLEEF & ARPELS, A NATURAL SALTWATER PEARL AND DIAMOND RING in platinum, set with a pearl of 8.00mm, the shoulders set with trios of single cut diamonds, signed Van Cleef & Arpels, no assay marks, adjusted to size R1/2 / 8.75, 3.2g. With a gemmolo

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND GYPSY RING in 18ct yellow gold, set with an oval cut sapphire between two round brilliant cut diamonds, stamped 18K, size Q1/2 / 8.5, 6.7g. 

Estimate £500 - £700

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with three round cut rubies in clusters of round brilliant cut diamonds, inscribed R1.18ct d0.18ct, stamped Au750, size N / 6.75, 3.5g. 

Estimate £400 - £600

A FINE COLOMBIAN EMERALD AND DIAMOND THREE STONE RING in platinum, set with an octagonal step cut emerald of 3.50 carats between two old European cut diamonds, the diamonds both totalling approximately 1.00 carat, partial British hallmarks, size N /

Estimate £10,000 - £15,000

A GARNET ETERNITY RING in yellow gold, set all around with a row of oval cut garnets, no assay marks, size N / 6.75, 3.9g. 

Estimate £800 - £1,200

AN ANTIQUE DIAMOND AND ENAMEL RING in yellow gold, set with a star shaped cluster of old and rose cut diamonds in a border of blue enamel, in a border of further old cut diamonds accented by blue enamel, no assay marks, size I1/2 / 4.5, 8.3g. 

Estimate £400 - £600

AN ANTIQUE DIAMOND AND RUBY SNAKE RING in silver and yellow gold, designed as two coiled snakes set with rose cut diamonds and round cut ruby eyes, no assay marks, size M1/2 / 6.5, 4.6g. 

Estimate £1,000 - £1,500

A VINTAGE GARNET CLUSTER RING in 9ct yellow gold, the bombe style ring set with round cut garnets, partial British hallmarks, size O1/2 / 7.5, 5.5g. 

Estimate £100 - £150

AN ANTIQUE EMERALD AND DIAMOND CLUSTER RING in yellow gold and silver, set with a cabochon emerald in a cluster of old cut diamonds, the diamonds all totalling 2.5-3.0 carats, no assay marks, size L1/2 / 6, 5.3g. 

Estimate £3,000 - £5,000

AN ANTIQUE MULTIGEM DEAREST ACROSTIC RING in yellow gold, set with a rose cut diamond and round cut emerald, amethyst, ruby, sapphire and topaz, spelling dearest as an acrostic, no assay marks, size M1/2 / 6.5, 1.6g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND DRESS RING in yellow gold and platinum, the navette shaped ring set with an old European cut diamond accented on each side by an old cut diamond, in a border of further old cut diamonds, marked indistinctly, size K1/2 / 5.5, 3.6g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND SWEETHEART RING in yellow gold, set with an oval shaped sapphire in a cluster of old cut diamonds, surmounted by a crown set with rose cut diamonds, later shank with full British hallmarks for London 1976, size P1/2 / 8, 5.3g. 

Estimate £1,200 - £1,600

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a rectangular step cut sapphire, accented on each side by a round brilliant cut diamond, stamped 18CT, size L1/2 / 6, 3.6g. 

Estimate £800 - £1,200

A DIAMOND THREE STONE RING in 18ct yellow gold, set with three round brilliant cut diamonds, the diamonds all totalling 0.7-0.8 carats, full British hallmarks, size M1/2 / 6.5, 2.6g. 

Estimate £600 - £800

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold and silver, set with an oval cut sapphire accented on each side by an old cut diamond, no assay marks, size P / 7.75, 3.5g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut emerald of 2.67 carats in a double cluster of round brilliant cut diamonds, no assay marks, size K1/2 / 5.5, 4.9g. 

Estimate £2,000 - £3,000

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped 750, size L / 5.75, 4.9g. 

Estimate £600 - £800

AN ANTIQUE PEARL AND ENAMEL RING in yellow gold, the tapering band set with pearls accented by bands of blue enamel, with a glass covered locket compartment to the reverse, no assay marks, size K1.2 / 5.5, 2.9g. 

Estimate £300 - £500

AN ANTIQUE EMERALD AND DIAMOND CLUSTER RING in yellow gold and silver, set with a round cut emerald in a cluster of old cut diamonds, no assay marks, size N / 6.75, 2.3g. 

Estimate £1,200 - £1,600

AN ANTIQUE GEORGIAN GARNET AND PEARL RING in 15ct yellow gold, set with three oval cut garnets accented by seed pearls, full British hallmarks for Birmingham 1797, size N / 6.75, 1.3g. 

Estimate £300 - £500

AN AMETHYST AND DIAMOND CLUSTER RING in 9ct yellow gold, set with an octagonal step cut amethyst in a cluster of round brilliant cut diamonds, partial British hallmarks, size O / 7.25, 5.0g. 

Estimate £500 - £700

A PEARL AND DIAMOND RING in 18ct yellow gold, set with a pearl of 6.1mm, accented by a row of old and single cut diamonds, stamped 18CT, size O / 7.25, 2.4g. 

Estimate £700 - £900

AN EMERALD ETERNITY RING set all around with a row of square step cut emeralds, no assay marks, size N / 6.75, 1.7g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 1.03 in a border of round brilliant cut diamonds, full British hallmarks, size Q / 8.25, 3.6g. 

Estimate £600 - £800

AN EMERALD AND SAPPHIRE RING in 18ct yellow gold, set with an octagonal step cut emerald between two oval cut light blue sapphires, inscribed E1.20ct 1.06ct, stamped Au750, size O / 7.25, 5.6g. 

Estimate £500 - £700

A GARNET ETERNITY RING in 18ct yellow gold, set all around with a row of round cabochon cut garnets, stamped 18K, size N / 6.75, 1.7g. 

Estimate £200 - £300

A DIAMOND FIVE STONE RING in 14ct yellow gold, set with a row of five round brilliant cut diamonds, the diamonds all totalling 0.7-0.8 carats, stamped 14K, size M1/2 / 6.5, 3.3g. 

Estimate £300 - £500

A RUBY AND DIAMOND CLUSTER RING in yellow gold and silver, set with an octagonal step cut ruby in a cluster of old cut diamonds, no assay marks, size O / 7.25, 2.0g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND RING in 18ct white gold, set with an octagonal step cut emerald of 3.57 carats in a border of baguette and round brilliant cut diamonds, stamped 750, size N1/2 / 7, 4.6g. 

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire of approximately 2.76 carats flanked by calibre cut sapphires, in a scalloped border of round brilliant cut diamonds, no assay marks, size N / 6.75, 6.3g.

Estimate £3,000 - £5,000

A PEARL AND DIAMOND CLUSTER RING set with a pearl in a cluster of old cut diamonds, the shoulders accented by round cut diamonds, no assay marks, size N / 6.75, 5.3g. 

Estimate £800 - £1,200

A RUBY, PINK SAPPHIRE AND DIAMOND BOMBE RING in 18ct white gold, set with a cabochon ruby of 10.80 carats accented by rectangular step cut pink sapphires and pave set round brilliant cut diamonds, inscribed 10.80ct 1.23ct d0.994, stamped Au750, size

Estimate £1,500 - £2,500

A DIAMOND CLUSTER RING in 14ct white gold, set with a cluster of round brilliant cut diamonds, the diamonds totalling approximately 1.80 carats, no assay marks, size M1/2 / 6.5, 5.3g. 

Estimate £800 - £1,200

AN AQUAMARINE AND DIAMOND RING in 18ct white gold, set with an octagonal step cut aquamarine of 3.65 carats in a border of round brilliant cut diamonds, the shoulders set with further diamonds, inscribed 3.65, stamped 750, size M1/2 / 6.5, 5.4g. 

Estimate £1,000 - £1,500

A DIAMOND CLUSTER RING in 18ct white gold, set with a stylised cluster of round brilliant cut diamonds. the diamonds all totalling 1.8-2.0 carats, stamped 18K, size H1/2 / 4, 4.3g.  

Estimate £500 - £700

A PEARL AND DIAMOND RING in 8ct yellow gold and silver, set with a pearl of 8.7mm in a border of round brilliant cut diamonds, stamped 333, size S / 9.25, 7.2g. 

Estimate £800 - £1,200

A GREEN TOURMALINE AND DIAMOND RING in 18ct white gold, set with an oval cut green tourmaline of 1.40 carats in a stylised border set with round cut diamonds, inscribed 1.40 d0.125, stamped Au750, size N / 6.75, 4.5g. 

Estimate £400 - £500

A DOUBLE EMERALD ETERNITY RING in 14ct yellow gold, set all around with two rows of round cabochon cut emeralds, stamped 14K, size N1/2 / 7, 2.2g. 

Estimate £200 - £300

A CITRINE AND DIAMOND RING in 18ct white gold, set with a cabochon citrine on a bifurcated band set with round brilliant cut diamonds, stamped Au750, size N / 6.75, 3.2g. 

Estimate £300 - £500

A BLUE TOPAZ AND DIAMOND DRESS RING in 9ct white and yellow gold, the geometric face set with a round cut blue topaz accented by round brilliant cut diamonds, partial British hallmarks, size O / 7.25, 2.9g. 

Estimate £200 - £300

AN UNTREATED JADE AND DIAMOND BUDDHA RING in 18ct yellow gold, set with a carved jadeite jade Buddha in a double border of round brilliant cut diamonds, stamped 750, size P / 7.75, 4.0g. Accompanied by a gemmological report stating that the jadeite i

Estimate £300 - £500

AN ANTIQUE GEORGIAN ENAMEL MOURNING RING in yellow gold, set with a glass covered locket panel containing hairwork, in a border of black enamel, inscribed to the reverse 'Mary Lee died 1 Dec 1807 aged 47', size S / 9.25, 4.3g. 

Estimate £300 - £500

AN ANTIQUE EGYPTIAN REVIVAL SCARAB BEETLE RING in yellow gold, set with a carved brown hardstone scarab beetle, no assay marks, size J / 4.75, 3.4g. 

Estimate £300 - £500

AN ANTIQUE SHELL CAMEO AND DIAMOND CLUSTER RING, 19TH CENTURY COMPOSITE in yellow gold and silver, set with an oval shell cameo carved to depict a lion in a cluster of rose cut diamonds, on a later shank, no assay marks, size N1/2 / 7, 10.2g. 

Estimate £1,200 - £1,600

AN ANTIQUE EMERALD AND DIAMOND GIARDINETTO RING, 18TH CENTURY in yellow gold and silver, set with rose cut diamonds and step cut emeralds in a foliate design, no assay marks, size J / 4.75, 4.4g. 

Estimate £1,500 - £2,500

A PASTE DRESS RING in yellow gold and silver, set to the centre with an orange paste stone in an openwork surround of colourless paste stones, no assay marks, size O1/2 / 7.5, 5.4g. 

Estimate £500 - £700

AN ANTIQUE GARNET AND PEARL RING in yellow gold, set with oval cut garnets accented by seed pearls, no assay marks, size N / 6.75, 1.6g. 

Estimate £400 - £600

AN ANTIQUE PEARL AND EMERALD RING in yellow gold, set with a round cut emerald in a cluster of pearls, glass covered locket panel to the reverse, no assay marks, size J / 4.75, 1.7g. 

Estimate £400 - £600

AN ANTIQUE MOONSTONE AND PEARL CLUSTER RING in yellow gold, set with a round cabochon moonstone in a cluster of pearls, the band engraved with foliate designs, no assay marks, size O1/2 / 7.5, 4.6g. 

Estimate £400 - £600

A SHELL CAMEO RING in 9ct yellow gold, set with a shell cameo carved to depict the profile of a lady, partial British hallmarks, size O / 7.25, 2.8g.

Estimate £120 - £160

AN ANTIQUE GEORGIAN ENAMEL MOURNING RING in yellow gold, set with an oval glass covered locket panel containing hairwork, in a border of black and white enamel, inscribed to the reverse 'HLC 1795', no assay marks, size R / 8.75, 4.0g. 

Estimate £300 - £500

AN ANTIQUE DIAMOND AND ENAMEL RING in rose gold, set with a row of old and rose cut diamonds, accented by blue enamel, no assay marks, size M / 6.25, 5.8g. 

Estimate £1,500 - £2,500

AN ANTIQUE GEORGIAN STUART CRYSTAL RING, 18TH CENTURY AND LATER in yellow gold, depicting cherubs around a wreath, a heart pierced by arrows, and a fede motif on a blue fabric background, beneath a faceted Stuart crystal, no assay marks, size M1/2 /

Estimate £2,000 - £3,000

AN ANTIQUE RUBY AND PEARL RING in yellow gold, set with cushion and round cut rubies and pearls, no assay marks, size L / 5.75, 2.1g. 

Estimate £300 - £500

A GOLD SIGNET RING in yellow gold, engraved with a coat of arms, no assay marks, size N / 6.75, 5.8g. 

Estimate £300 - £500

A JADEITE JADE AND DIAMOND RING in 18ct yellow gold, set with an oval jadeite jade carved to depict foliage accented by round cut diamonds, stamped 18, size M / 6.25, 7.3g. 

Estimate £500 - £700

A DIAMOND RING set with a millennium cut diamond accented by a graduating row of round brilliant cut diamonds, no assay marks, size K1/2 / 5.5, 4.4g. 

Estimate £1,200 - £1,600

A MASONIC RING in yellow gold, the circular face engraved with masonic symbols, on a wooden band, no assay marks, size N1/2 /7, 3.2g. 

Estimate £300 - £500

A BLUE ZIRCON AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a round cut blue zircon in a cluster of single cut diamonds, stamped 18CT PLAT, size L1/2 / 6, 3.1g. 

Estimate £600 - £800

A 1.10 CARAT SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of 1.10 carats, partial British hallmarks, size N1/2 / 7, 3.4g. Accompanied by a gemmological report from GIA stating that the diamond is of J colour and VS1 clar

Estimate £2,000 - £3,000

AN OPAL AND RUBY CLUSTER RING in 18ct white gold, set with a cabochon opal of 6.60 carats in a cluster of round cut rubies, the rubies all totalling 4.20 carats, inscribed 6.60 r4.20ct, stamped Au750, size M1/2 / 6.5, 7.1g. 

Estimate £600 - £800

AN OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with marquise shaped cabochon opal accented by round brilliant cut diamonds, stamped Au750, size N / 6.75, 5.6g. 

Estimate £600 - £800

A TURQUOISE AND DIAMOND DRESS RING in 14ct white gold, set to the centre with a cabochon cut turquoise in a double border of round brilliant cut diamonds, stamped 14K, N / 6.75, 3.5g. 

Estimate £600 - £800

A RUBY AND DIAMOND DRESS RING in 18ct with gold, set with a scroll of pear cut rubies accented by round brilliant cut diamonds, stamped 18K, size O / 7.25, 7.0g. 

Estimate £700 - £900

A DIAMOND DRESS RING in 18ct white and yellow gold, the geometric face set with a round brilliant cut diamond, accented by further diamonds, partial British hallmarks, size N1/2 / 7, 4.3g. 

Estimate £1,200 - £1,600

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of 0.33 carats, inscribed D0.33, stamped PT950, full British import marks, size N1/2 / 6.75, 4.0g.

Estimate £550 - £750

AN ANTIQUE DIAMOND BUCKLE RING in 18ct yellow gold, designed as a belt buckle accented by two old cut diamonds, full British hallmarks for London 1897, size L1/2 / 6, 7.9g. 

Estimate £500 - £700

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal in a cluster of round brilliant cut diamonds, stamped 750, size N / 6.75, 6.3g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with French cut sapphires to stylised diamond set shoulders, stamped 18K 750, full British hallmarks, size L1/2 / 6, 3.4g.

Estimate £400 - £600

NO RESERVE - A BLUE TOPAZ AND DIAMOND RING in 18ct yellow gold, the tapering band set with a square step cut blue topaz accented by single cut diamonds, stamped 750, size O / 7.25, 4.1g. 

Estimate £100 - £150

A PEARL AND DIAMOND LILY OF THE VALLEY RING in 9ct white gold, comprising three lily of the valley motifs set with pearls and round cut diamonds, the stylised mount accented by further diamonds, stamped Au375, size K / 5.25, 2.6g. 

Estimate £300 - £500

AN OPAL RING in yellow gold, set with an oval cabochon opal on an openwork foliate style band, no assay marks, size M1/2 / 6.5, 5.5g. 

Estimate £600 - £800

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.37 carats, full British hallmarks for London 1987, size K1/2 / 5.5, 2.0g. 

Estimate £300 - £500

A BLUE TOPAZ SOLITAIRE RING in platinum, set with an octagonal step cut London blue topaz of approximately 4.08 carats, stamped PT950, full British hallmarks, size K / 5.25, 5.8g.

Estimate £650 - £850

AN AMETHYST NAVETTE RING in 9ct yellow gold, the navette face pave set with round cut amethysts, partial British hallmarks, size M / 6.25, 2.2g.

Estimate £100 - £150

A DIAMOND FIVE STONE RING in 18ct yellow gold, set with five round brilliant cut diamonds all totalling 1.00 carat, inscribed d1.00, full British hallmarks, size R / 8/75, 5.9g. 

Estimate £400 - £600

A RUBY AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an octagonal step cut ruby accented on each side by a baguette cut diamond, full British hallmarks, size P1/2 / 8, 3.5g. 

Estimate £600 - £800

A RECONSTITUTED TURQUOISE AND PEARL RING in 9ct yellow gold, set with three cabochon reconstituted turquoise accented by pairs of seed pearls, partial British hallmarks, size O / 7.25, 3.0g. 

Estimate £150 - £200

A BLACK OPAL RING in 15ct yellow gold, set with an oval cabochon black opal, stamped 15CT, size M1/2 / 6.5, 2.2g. 

Estimate £1,000 - £1,500

A DIAMOND ENGAGEMENT RING in 14ct yellow gold, set with a round brilliant cut diamond of approximately 0.50 carats, accented on each side by further round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, stamped 14K, size M1/2 / 6.5

Estimate £600 - £800

AN ANTIQUE DIAMOND, PEARL AND RUBY INSECT BROOCH in yellow gold and silver, designed as a winged insect set with a pearl of 5.8mm and old and rose cut diamonds, the eyes set with cushion cut rubies, no assay marks, 3.8cm, 5.5g. 

Estimate £1,000 - £1,500

AN ANTIQUE MOURNING RING in yellow gold, set with a glass covered locket panel containing hairwork, no assay marks, size K1/2 / 5.5, 4.1g. 

Estimate £300 - £500

A DIAMOND CLUSTER RING in yellow gold, set with a round brilliant cut diamond of approximately 0.65 carats in a cluster of further round brilliant cut diamonds, no assay marks, size M / 6.25, 3.0g.

Estimate £1,000 - £1,500

AN ANTIQUE VICTORIAN PEARL AND ENAMEL MOURNING RING in 18ct yellow gold, set with an oval glass covered locket panel with hairwork in a border of pearls, the band decorated with black enamel, inscribed 'J.H. 17th August 1899', full British hallmarks

Estimate £300 - £500

NO RESERVE - A DIAMOND FIVE STONE RING in yellow gold, set with a row of five round brilliant cut diamonds, the diamonds all totalling 0.7-0.8 carats, no assay marks, size O1/2 / 7.5, 2.3g. 

Estimate £200 - £300

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 750, size O / 7.25, 5.3g. 

Estimate £1,200 - £1,600

A RUBY AND DIAMOND CLUSTER RING in yellow and white gold, set with round brilliant cut diamonds and round cut rubies in a swirl design, no assay marks, size Q1/2 / 8.5, 5.6g. 

Estimate £400 - £600

A SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of approximately 0.50 carats, the stylised shoulders set with round cut diamonds, stamped PLAT, size K1/2 / 5.5, 2.5g. 

Estimate £800 - £1,200

AN AMETHYST AND DIAMOND DRESS RING in 9ct white and yellow gold, the navette face set with an oval cut amethyst accented by round brilliant cut diamonds, partial British hallmarks, size R / 8.5, 4.1g. 

Estimate £200 - £300

A SOLITAIRE DIAMOND RING in platinum, set with a princess cut diamond of 0.25 carats, inscribed 0.25, stamped PT950, full British import marks, size J / 4.75, 4.0g.

Estimate £550 - £750

A STAR SAPPHIRE, SAPPHIRE AND DIAMOND BOMBE RING in 18ct yellow gold, set with a cabochon star sapphire of 20.20 carats in a border of round brilliant cut diamonds, accented by pave set round cut sapphires, inscribed 20.20ct d0.27ct s4.101ct, stamped

Estimate £1,500 - £2,500

NO RESERVE - A SHELL CAMEO RING AND A GARNET CLUSTER RING in 9ct yellow gold, comprising a shell carved cameo portrait of a classical figure, hallmarks rubbed, size M1/2 / 6.5, 2.0g, together with an antique garnet cluster ring in 9ct yellow gold, co

Estimate £80 - £120

AN AQUAMARINE, SAPPHIRE AND DIAMOND RING in 18ct white gold, set with an oval cut aquamarine accented by round cut sapphires and diamonds, inscribed S3.92ct 0.223ct d0.162ct, stamped Au750, size N1/2 / 7, 4.9g. 

Estimate £400 - £600

AN EMERALD AND DIAMOND DRESS RING in 18ct yellow gold, set with an octagonal step cut emerald of 4.46 carats in a cluster of baguette and round brilliant cut diamonds, the shoulders set with further diamonds, stamped 750, size N / 6.75, 9.0g. 

Estimate £2,500 - £3,500

A SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with a row of princess cut diamonds, accented on each side by a row of square step cut sapphires, inscribed D0.40 S0.80, stamped 750, size O / 7.25, 5.1g. 

Estimate £1,000 - £1,500

A DIAMOND NAVETTE RING in 18ct white gold, the pierced navette face set to the centre with an old European cut diamond of approximately 0.70 carats, accented throughout with round brilliant and carre cut diamonds, stamped 18K 750, size J1/2 / 5, 6.2g

Estimate £1,500 - £2,500

A DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of round brilliant cut diamonds, full British hallmarks, size L / 5.75, 3.6g. 

Estimate £800 - £1,200

A RUBY DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut ruby of approximately 0.91 carats within a double cluster of round brilliant cut diamonds, stamped 750, size P1/2 / 8, 3.6g.

Estimate £600 - £800

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with a round cut ruby in a cluster of round brilliant cut diamonds, full British hallmarks, size L / 5.75, 4.9g. 

Estimate £800 - £1,200

A DIAMOND DRESS RING in 18ct white gold and platinum, set with a row of old cut diamonds, stamped 18CT PLAT, size L / 5.75, 2.2g. 

Estimate £300 - £500

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with an octagonal step cut emerald in a border of old mine cut diamonds, stamped indistinctly, size J1/2 / 5, 1.6g.

Estimate £800 - £1,200

A SOUDE EMERALD AND DIAMOND RING in 9ct yellow gold, set with an octagonal step cut soude emerald, the stepped shoulders set with round brilliant cut diamonds, partial British hallmarks, size P / 7.75, 5.7g. 

Estimate £350 - £450

A RUBY AND DIAMOND DRESS RING in 18ct white gold, set with an oval cut ruby and tapered baguette cut diamond shoulders, stamped 750, full British hallmarks, size M / 6.25, 3.2g.

Estimate £650 - £850

A MULTICOLOUR TOURMALINE DRESS RING in 14ct yellow gold, set with a row of oval cut orange, green and pink tourmalines, stamped 14K, size N / 6.75, 1.3g.

Estimate £200 - £300

A PINK SAPPHIRE AND DIAMOND BAND RING in 18ct white gold, set with an oval cut pink sapphire and a row of round cut diamonds, stamped 750, full British hallmarks, size N / 6.75, 2.5g.

Estimate £300 - £500