A BURMA NO HEAT RUBY GYPSY RING in yellow gold, set with a cushion cut ruby of 1.01 carats, no assay marks, size L / 5.75, 9.6g. Accompanied by a gemmological report stating the ruby is of Burmese (Myanmar) origin with no indication of heat treatment

Estimate £1,200 - £1,600

POMELLATO, A PRASIOLITE, ORANGE SAPPHIRE AND COGNAC DIAMOND PIN UP RING in 18ct yellow gold, set with a cushion cut prasiolite accented by round cut orange sapphires and cognac diamonds, signed Pomellato, French assay marks, size O / 7.25, 28.8g. Acc

Estimate £1,000 - £1,500

A BLUE TOPAZ AND CHALCEDONY RING in 18ct white gold, set with a cushion cut blue topaz of approximately 8.50 carats, the shoulders comprising polished blue chalcedony, stamped 750, size O / 7.25, 15.4g. 

Estimate £600 - £800

STEPHEN WEBSTER, A ROCK CRYSTAL AND DIAMOND CRYSTAL HAZE RING in 18ct yellow gold, set with a faceted rock crystal over a blue backing, in a border of round brilliant cut diamonds, SW maker's mark, full British hallmarks, size L1/2 / 5.75, 25.5g. 

Estimate £1,200 - £1,800

JACOB & CO, A DIAMOND ETERNITY RING in platinum, set all around with a row of baguette cut diamonds all totalling 1.45 carats, inscribed D1.45, signed Jacob & Co., stamped Pt900, size L1/2 / 6, 6.0g. 

Estimate £800 - £1,200

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with an octagonal step cut emerald of approximately 2.00 carats, in a cluster of round cut diamonds, the band accented by further round cut diamonds, stamped 750, size E1/2 / 2.75, 4.5g. Acc

Estimate £1,500 - £2,500

AN OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cabochon opal in a cluster of round brilliant cut diamonds, stamped 750, size Q / 8.25, 7.7g. 

Estimate £1,500 - £2,500

A PINK SAPPHIRE RING in yellow gold, set with a cushion cut pink sapphire of approximately 1.30 carats, Portuguese assay marks, size J / 4.75, 3.5g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND FIVE STONE RING in 18ct yellow gold, set with three rectangular step cut emeralds and two old cut diamonds, stamped 750, size O1/2 / 7.5, 3.9g. 

Estimate £1,500 - £2,500

A PAIR OF OPAL AND DIAMOND DROP EARRINGS in yellow gold, each comprising an old European cut diamond suspending an oval cabochon opal drop, no assay marks, 3.5cm, 11.7g. 

Estimate £3,500 - £4,500

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut sapphire of 3.74 carats in a double cluster of round brilliant cut diamonds, stamped 750, size K / 5.25, 5.5g. 

Estimate £3,000 - £5,000

A DIAMOND FIVE STONE RING in 18ct white gold, set with five round brilliant cut diamonds all totalling 2.55 carats, inscribed 5/2.55, stamped 18K, size K1/2 / 5.5, 5.7g. 

Estimate £2,500 - £3,500

A DIAMOND DRESS RING in 18ct rose and white gold, the textured rose gold ring accented by white gold sections pave set with round brilliant cut diamonds, stamped 750, size N / 6.75, 11.5g. 

Estimate £800 - £1,200

A CEYLON NO HEAT STAR SAPPHIRE AND PINK SAPPHIRE RING in rose gold, set with an oval star sapphire between two round cut pink sapphires, no assay marks, size L1/2 / 6, 3.4g. Accompanied by a gemmological report stating that the star sapphire is of Ce

Estimate £600 - £800

A DIAMOND FULL ETERNITY RING in 18ct white gold, set all around with a row of old cut diamonds, no assay marks, size L / 5.75, 4.0g.

Estimate £300 - £500

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with an octagonal step cut emerald of approximately 0.95 carats in a border of old  and baguette cut diamonds, stamped PLAT, size N1/2 / 7, 4.1g. Accompanied by an IDRC insurance valuation. 

Estimate £600 - £800

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut emerald of 1.63 carats in a cluster of round brilliant cut diamonds, stamped 750, size M / 6.25, 5.2g. 

Estimate £1,200 - £1,600

NO RESERVE - A DIAMOND RING in 18ct yellow gold, set with round brilliant cut diamonds, partial British hallmarks, size N / 6.75, 4.8g. 

Estimate £200 - £300

A DIAMOND RING in 14ct yellow gold, set with three rows of round brilliant cut diamonds, stamped 585, size O1/2 / 7.5, 3.3g. 

Estimate £300 - £500

A DIAMOND AND ENAMEL RING in 18ct yellow gold, comprising a band of black enamel set with round brilliant cut diamonds, stamped 18K, size N / 6.75, 3.0g. 

Estimate £500 - £700

A TANZANITE AND DIAMOND FLOWER RING in 18ct yellow gold, set with a round brilliant cut diamond in a cluster of oval cut tanzanites, stamped 18K, size N1/2 / 7, 3.6g. 

Estimate £300 - £500

NO RESERVE - A DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.25 carats, the band accented by further round cut diamonds, stamped 750, size K1/2 / 5.5, 3.3g. 

Estimate £600 - £800

A PURPLE SAPPHIRE AND DIAMOND RING in yellow gold, set with a cushion cut purple sapphire of approximately 2.02 carats, accented by round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 3.0g. 

Estimate £800 - £1,200

A BLUE ZIRCON AND DIAMOND DRESS RING in 18ct white gold, set with an elongated cushion cut blue zircon of approximately 21.60 carats, accented by round brilliant cut diamonds, stamped 750, size L1/2 / 6, 16.5g. 

Estimate £2,000 - £3,000

TIFFANY & CO., AN IOLITE RING in 18ct white gold, set with a fancy cabochon iolite, signed Tiffany & Co. 2000, stamped 750, size L1/2 / 6, 9.5g. 

Estimate £600 - £800

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cabochon cut sapphire of approximately 9.50 carats accented by round brilliant cut diamonds, stamped 750, size R / 8.75, 15.3g. 

Estimate £3,000 - £5,000

A DIAMOND DRESS RING in 14ct white gold, set with three round brilliant cut diamonds weighing approximately 0.58, 0.75 and 0.60 carats, accented by further round brilliant cut diamonds, the diamonds all totalling 2.8-3.0 carats, stamped 14K, size N /

Estimate £2,500 - £3,500

NO RESERVE - A DIAMOND DRESS RING in 18ct white gold, the openwork pierced face set with round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 6.5g. 

Estimate £1,500 - £2,500

A PINK TOPAZ AND DIAMOND RING in 9ct yellow gold, set with an oval cut pink topaz of approximately 5.30 carats accented on each side by a round brilliant cut diamond, Russian assay marks, stamped 9K10, size P / 7.75, 4.7g. 

Estimate £1,000 - £1,500

NO RESERVE - A FIVE STONE DIAMOND RING in 18ct yellow gold, set with five round brilliant cut diamonds, the diamonds all totalling 0.9-1.0 carats, full British hallmarks, size L1/2 / 6, 3.3g. 

Estimate £800 - £1,200

NO RESERVE - A PEARL AND DIAMOND RING in 18ct white gold, set with a pearl of 12.0mm accented by round brilliant cut diamonds, stamped 18K, size L1/2 / 6, 5.9g. 

Estimate £400 - £600

A THREE STONE DIAMOND RING in platinum, set with three round brilliant cut diamonds, the diamonds all totalling 1.8-2.0 carats, the shoulders set with further round cut diamonds, no assay marks, size O / 7.25, 5.0g. 

Estimate £4,000 - £6,000

NO RESERVE - A YELLOW TOPAZ AND DIAMOND HALO RING in 18ct yellow gold, set with a cushion cut topaz in a border of round brilliant cut diamonds, the band set with further diamonds, partial British hallmarks, size M / 6.25, 3.6g. 

Estimate £600 - £800

AN EMERALD, ENAMEL AND DIAMOND RING in 18ct yellow gold, set with an oval cut emerald in a border of black enamel, accented by round brilliant cut diamonds, stamped 18K, size N / 6.75, 2.8g. 

Estimate £500 - £700

A SAPPHIRE, EMERALD AND DIAMOND BAND RING in 18ct white gold, set with an oval cut sapphire, an oval and marquise cut emerald, and round brilliant cut diamonds, no assay marks, size M / 6.25, 2.7g.  

Estimate £800 - £1,200

AN AQUAMARINE RING set with an elongated oval cut aquamarine of approximately 8.92 carats, no assay marks, size L1/2 / 6, 5.7g. 

Estimate £800 - £1,200

A YELLOW SAPPHIRE BOMBE RING in 18ct yellow gold, the tapering band set with round cut yellow sapphires, stamped 750, size O / 7.25, 11.0g. 

Estimate £600 - £800

A SAPPHIRE AND DIAMOND DRESS RING in white gold, set with an oval cabochon sapphire of approximately 8.30 carats in a border of round brilliant cut diamonds, the diamonds all totalling 2.4-2.6 carats, on a trifurcated band, size L1/2 / 6, 7.8g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a cushion cut sapphire of approximately 2.00 carats between two trillion cut diamonds, full British hallmarks, size N1/2 / 7, 3.7g. 

Estimate £2,000 - £3,000

AN ANTIQUE EMERALD AND DIAMOND SWEETHEART RING in yellow gold and silver, set with a pear shaped rose cut diamond and a pear shaped emerald, accented by rose cut diamonds, no assay marks, size L / 5.75, 3.8g. 

Estimate £3,000 - £5,000

AN ANTIQUE STUART CRYSTAL MOURNING RING, 18TH CENTURY in yellow gold and silver, comprising a wire cypher beneath a faceted Stuart crystal, the shoulders set with old cut paste stones, no assay marks, size O1/2 / 7.5, 2.3g. 

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND AND ENAMEL MOURNING RING, EARLY 18TH CENTURY in yellow gold and silver, the oval face comprising an urn with the initials A.H over a blue guilloche enamel background, within a border of old cut diamonds, with a glass covered locket

Estimate £3,000 - £5,000

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of 5.68 carats, stamped PT950, size M / 6.25, 11.5g. 

Estimate £25,000 - £30,000

AN UNHEATED RUBY GYPSY RING in yellow gold, set with an oval cut ruby of 1.17 carats, no assay marks, size L / 5.75, 6.7g. Accompanied by a gemmological report stating the ruby shows no indication of heat treatment. 

Estimate £1,200 - £1,600

NO RESERVE - A DIAMOND FOLIATE BAND RING in 18ct yellow gold, the band in a foliate design, set with round brilliant cut diamonds, partial British hallmarks, size N / 6.75, 5.3g. 

Estimate £800 - £1,200

NO RESERVE - A DIAMOND HALO RING in 18ct white gold, set with a marquise cut diamond in a border of round brilliant cut diamonds, partial British hallmarks, size N / 6.75, 3.8g. 

Estimate £800 - £1,200

A DIAMOND HALF ETERNITY RING in 18ct white gold, half set with a row of emerald cut diamonds, the diamonds all totalling 2.9-3.1 carats, full British hallmarks, size M1/2 / 6.5, 6.1g. 

Estimate £3,500 - £4,500

A SAPPHIRE CHERUB RING in yellow gold, set with an oval cut sapphire of approximately 3.73 carats in a beaded border, the shoulders designed as cherubs, no assay marks, size P / 7.75, 8.9g. 

Estimate £4,000 - £6,000

AN EMERALD ETERNITY RING in 14ct yellow gold, set all around with a row of oval cut emeralds, stamped 14K, size N / 7, 4.6g.

Estimate £800 - £1,200

NO RESERVE - A SAPPHIRE AND DIAMOND RING in platinum, set with a round cut sapphire of 1.40 carats, the band set with round brilliant cut diamonds, partial British hallmarks, size M1/2 / 6.5, 4.4g. 

Estimate £300 - £500

NO RESERVE - A SYNTHETIC RUBY AND DIAMOND DRESS RING in 18ct white gold, set with an octagonal step cut diamond and a row of French cut synthetic rubies, flanked by rows of round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 3.8g. 

Estimate £600 - £800

NO RESERVE - A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.60 carats, partial British hallmarks, size N / 6.75, 4.2g. 

Estimate £500 - £700

BOODLES, A TANZANITE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut tanzanite of 5.76 carats in a border of round brilliant cut diamonds, stamped 5.76, signed Boodles, full British hallmarks, size K / 5.25, 7.2g. 

Estimate £3,000 - £5,000

NO RESERVE - A SOLITAIRE DIAMOND RING in platinum, set with an emerald cut diamond of approximately 0.45 carats, stamped 950, size N1/2 / 7, 4.2g. 

Estimate £600 - £800

NO RESERVE - A DIAMOND RING in 18ct white gold, half set with three rows of round cut diamonds, inscribed 0.34, stamped 18K, size M / 6.25, 2.5g. 

Estimate £200 - £300

NO RESERVE - A MORGANITE AND DIAMOND HALO RING in yellow gold, set with an oval cut morganite of 1.20 carats in a border of round brilliant cut diamonds, the band set with further diamonds, no assay marks, size P / 7.75, 3.8g. 

Estimate £400 - £600

A PINK TOURMALINE AND DIAMOND RING in 22ct yellow gold, set with a rose cut pink tourmaline in a border of round cut diamonds, stamped 22K, size H1/2 / 4, 7.6g. 

Estimate £1,500 - £2,500

AN ANTIQUE PORTUGUESE DIAMOND RING in yellow gold and silver, the navette face set with table and rose cut diamonds, no assay marks, size O1/2 / 7.5, 11.3g. 

Estimate £2,000 - £3,000

A RUBY, DIAMOND AND SAPPHIRE DRESS RING in 18ct yellow gold, comprising three rows of round cut rubies, round brilliant cut diamonds and round cut sapphires, full British hallmarks, size R / 8.75, 9.2g. 

Estimate £1,000 - £1,500

AN ANTIQUE RUBY AND DIAMOND SNAKE RING, 19TH CENTURY in yellow gold and silver, designed as a coiled snake, the head set with old and round brilliant cut diamonds, the eyes set with round cut rubies, no assay marks, size O / 7.25, 5.8g. 

Estimate £800 - £1,200

AN ANTIQUE GOLD BAND RING in yellow gold, the wide band in a foliate design, no assay marks, size S / 9.25, 7.7g. 

Estimate £1,500 - £2,500

A RUBY AND DIAMOND RING in platinum, set with an oval cut ruby of approximately 1.54 carats, the band set with round brilliant cut diamonds, stamped Pt900, size K1/2 / 5.5, 4.8g.

Estimate £2,000 - £3,000

NO RESERVE - A GOLD WEDDING BAND RING in 18ct yellow gold, of plain design, partial British hallmarks, size T / 9.75, 8.4g. 

Estimate £300 - £500

AN ANTIQUE RENAISSANCE REVIVAL ZIRCON AND ENAMEL RING, 19TH CENTURY in yellow gold, set with a square step cut zircon accented by black enamel, no assay marks, size M1/2 / 6.5, 3.6g. 

Estimate £2,000 - £3,000

AN ANTIQUE BLOODSTONE INTAGLIO RING in high carat yellow gold, set with a bloodstone intaglio carved to depict a lion attacking a bull, no assay marks, size L / 5.75, 6.1g. 

Estimate £3,000 - £5,000

AN AGATE INTAGLIO RING in yellow gold, set with an agate intaglio carved to depict mythological figures, no assay marks, size O / 7.25, 7.3g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND MOURNING RING in yellow gold and silver, the oval face comprising woven hairwork in a border of rose cut diamonds, no assay marks, size L / 5.75, 7.3g. 

Estimate £800 - £1,200

SALAVETTI, A DIAMOND BAND RING in 18ct white gold, the satin finish band set with three baguette cut diamonds, signed Salavetti, stamped 750, size O / 7.25, 11.6g. 

Estimate £600 - £800

A SYNTHETIC SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut synthetic sapphire of approximately 7.60 carats in a cluster of round brilliant cut diamonds, stamped 750, size N1/2 / 7, 8.2g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an oval cut sapphire of approximately 1.65 carats, accented on each side by a pear cut diamond weighing 0.33 and 0.35 carats respectively, full British hallmarks, size L1/2 / 6, 4.4g. 

Estimate £2,000 - £3,000

A SOLITAIRE DIAMOND RING in platinum, set with an old cut diamond of approximately 1.57 carats, accented by rose cut diamonds, stamped PLATINUM, size K / 5.25, 3.6g. 

Estimate £7,000 - £9,000

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING in 18ct white gold, set with an oval cut sapphire of 3.64 carats in a geometric cluster of baguette cut diamonds, the diamonds all totalling 1.35 carats, size O / 7.25, 8.2g. Accompanied by a facsimile gemmol

Estimate £15,000 - £25,000

NO RESERVE - AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow and white gold, set with an octagonal step cut emerald of 1.50 carats in a double cluster of round brilliant cut diamonds, partial British hallmarks, size N / 6.75, 5.4g. 

Estimate £2,000 - £3,000

NO RESERVE - A DIAMOND DRESS RING in 18ct white gold, the openwork ring set with a round brilliant cut diamond of approximately 0.70 carats, accented by further round cut diamonds, stamped 750, size M1/2 / 6.5, 5.5g. 

Estimate £1,000 - £1,500

NO RESERVE - A DIAMOND BAND RING in 9ct yellow gold, set with round cut diamonds, stamped 375, size M / 6.25, 2.4g. 

Estimate £100 - £150

A MULTICOLOUR SAPPHIRE AND DIAMOND BOMBE RING in 14ct yellow gold, set with a cluster of oval cut, pear shaped, and square step cut multicoloured sapphires accented by round brilliant cut diamonds, the sapphires totalling 6.10 carats, the diamonds to

Estimate £1,500 - £2,500

NO RESERVE - A THREE STONE DIAMOND RING in platinum, set with a princess cut diamond accented on each side by a trillion cut diamond, the mount set with round cut diamonds, partial British hallmarks, size M / 6.25, 5.6g.

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a marquise cut diamond of approximately 6.00 carats, the shoulders accented by baguette cut diamonds, stamped 950, size P1/2 / 8, 6.1g. 

Estimate £15,000 - £25,000

NO RESERVE - A DIAMOND DRESS RING in 18ct yellow gold, the edge of the band set all around with round brilliant cut diamonds, inscribed 0.296 VSI TW, stamped 750, size N / 6.75, 9.4g. 

Estimate £1,000 - £1,500

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby of 4.11 carats in a cluster of round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 5.0g. 

Estimate £2,500 - £3,500

A DIAMOND AND ENAMEL in 18ct rose gold, the band set all around with round brilliant cut cognac diamonds, the other half decorated with black enamel, stamped Au750, size Q / 8.25, 11.4g. 

Estimate £800 - £1,200

BOODLES, A GREEN TOURMALINE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cut green tourmaline of 9.69 carats in a stylised openwork setting of stars pave set with diamonds, signed Boodles, full British hallmarks, size L / 5.75, 13.0g.

Estimate £4,000 - £6,000

A SOLITAIRE DIAMOND RING in 18ct white gold, set with a radiant cut diamond of 1.53 carats, partial British hallmarks, size M / 6.25, 3.0g. 

Estimate £3,000 - £5,000

NO RESERVE - A SYNTHETIC RUBY AND DIAMOND RING in 18ct yellow gold, set with a row of alternating round cut synthetic rubies and round brilliant cut diamonds, accented by two rows of round brilliant cut diamonds, partial British hallmarks, size O / 7

Estimate £1,000 - £1,500

FABERGE, AN AMETHYST ROCOCO DRESS RING in 18ct rose gold, set with an oval cut amethyst of 3.75 carats on a stylised scrolling mount, signed Faberge and numbered, partial British hallmarks, size P / 7.75, 16.9g. Accompanied by original box and certif

Estimate £1,000 - £1,500

A DIAMOND DRESS RING in 18ct white gold, the Art Deco style openwork ring set with a baguette cut diamond accented on each side by a carre cut diamond, in a border of single cut diamonds, stamped 18CT, size N / 6.75, 3.6g. 

Estimate £800 - £1,200

A RUBY AND DIAMOND CLUSTER RING in yellow gold, set with an oval cut ruby of approximately 5.01 carats in a cluster of old cut diamonds, the diamonds all totalling 2.6-2.8 carats, no assay marks, size V / 10.5, 7.5g. 

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND CLUSTER RING in white gold, set with an oval cabochon sapphire of approximately 2.10 carats in a cluster of single cut diamonds, no assay marks, size K1/2 / 5.5, 5.3g. 

Estimate £800 - £1,200

NO RESERVE - A GREEN DIAMOND HALO RING in 18ct yellow gold, set with a pear cut green diamond of approximately 0.40 carats in a border of round brilliant cut white diamonds, the band set with further diamonds, full British hallmarks, size M / 6.25, 2

Estimate £500 - £700

AN ANTIQUE ISLAMIC LAPIS LAZULI RING in 18ct yellow gold, set with a rectangular lapis lazuli, the mount accented throughout with twisted and beaded gold work, French import mark, size J / 4.75, 9.3g. 

Estimate £1,500 - £2,500

A 2.50 CARAT SOLITAIRE DIAMOND RING in platinum, set with an oval cut diamond of 2.50 carats, the band set with a row of round brilliant cut diamonds, no assay marks, size L / 5.75, 3.8g.

Estimate £3,500 - £5,500

NO RESERVE - A PINK TOURMALINE AND DIAMOND COCKTAIL RING in 18ct white gold, set with an oval cut pink tourmaline of approximately 2.00 carats, the scrolling mount set with round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 6.9g. 

Estimate £1,000 - £1,500

NO RESERVE - A MULTICOLOUR SAPPHIRE AND DIAMOND BUBBLE RING in 18ct yellow gold, set with round cut orange, yellow, pink, blue and green sapphires, accented by round brilliant cut diamonds, stamped 750, size N1/2 / 7, 7.3g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white and yellow gold, set with an oval cut emerald in a border of round cut diamonds, full British hallmarks, size K / 5.25, 4.2g. 

Estimate £2,500 - £3,500

NO RESERVE - A SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of approximately 0.50 carats, the band set with further round brilliant and baguette cut diamonds, stamped 750, size M / 6.25, 3.0g. 

Estimate £600 - £800

NO RESERVE - A DIAMOND ETERNITY RING in platinum, set all around with a row of round cut diamonds, stamped 950, size L / 5.75, 4.8g. 

Estimate £200 - £300

NO RESERVE - A DIAMOND DRESS RING in 18ct white gold, set with a round brilliant cut diamond, the openwork band set with further round brilliant cut diamonds, inscribed D0.59, full British hallmarks, size M / 6.25, 4.9g. 

Estimate £1,000 - £1,500

A PINK SAPPHIRE, EMERALD AND DIAMOND RING in 18ct white gold, the crossover band set with a pear cut pink sapphire and a cushion cut emerald, accented by round brilliant and baguette cut diamonds, stamped 750, L1/2 / 6, 5.7g. 

Estimate £2,000 - £3,000

A DIAMOND DRESS RING in 18ct white gold, the stylised ring comprising white gold wires accented by round brilliant cut diamonds, stamped 18K, size M1/2 / 6.5, 8.9g. 

Estimate £500 - £700

BULGARI, A BLUE TOPAZ PYRAMID RING in 18ct white gold, set with a sugarloaf cabochon blue topaz, signed Bulgari, stamped 750, size K / 5.25, 15.5g. 

Estimate £1,500 - £2,500

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING in platinum, set with an octagonal step cut emerald of approximately 0.61 carats, in a cluster of round brilliant cut diamonds, stamped Pt900, size M1/2 / 6.5, 5.3g. Accompanied by a gemmological report st

Estimate £600 - £800

NO RESERVE - A DIAMOND RING in platinum, set with round brilliant cut diamonds, stamped 950, size M1/2 / 6.5, 6.4g.

Estimate £300 - £500

NO RESERVE - A PINK TOURMALINE AND DIAMOND RING in 18ct white gold, set with an octagonal step cut pink tourmaline of 4.03 carats in a border of round brilliant cut diamonds, the fleur de lis shoulders set with further diamonds, partial British hallm

Estimate £1,000 - £1,500

A DIAMOND DRESS RING in 18ct white gold, the geometric band comprising a section pave set with round brilliant cut diamonds, stamped 750, size O / 7.25, 15.1g. 

Estimate £1,000 - £1,500

A DIAMOND ETERNITY RING in yellow gold, set with a row of round brilliant cut diamonds accented by rows of round cut diamonds, no assay marks, size L / 5.75, 5.3g. 

Estimate £1,000 - £1,500

A DIAMOND DRESS RING in 18ct yellow gold, set with a pear cut diamond of approximately 1.19 carats in a border of round brilliant cut diamonds, stamped 18K, size N1/2 / 7, 4.9g. 

Estimate £1,200 - £1,600

AN ANTIQUE GOLD RING, POSSIBLY ANCIENT GREEK in high carat yellow gold, the ring in unusual design stylised as a basket, no assay marks, size J / 4.75, 8.4g. 

Estimate £1,500 - £2,500

A DIAMOND DRESS RING in yellow gold, the fluted band with two sections set with round cut diamonds, no assay marks, size O / 7.25, 5.4g. 

Estimate £300 - £500

TEMPLE ST. CLAIR, A GREEN TOURMALINE AND DIAMOND RING in 18ct yellow gold, set with an oval cut green tourmaline of approximately 4.00 carats, the shoulders set with trios of round brilliant cut diamonds, maker's mark, stamped 750, size P / 7.75, 9.7

Estimate £5,000 - £7,000

OROMALIA, A DIAMOND AND EBONY RING in 18ct rose gold, comprising a section of ebony wood set with rows of round brilliant cut diamonds, signed Oromalia, stamped 750, size O / 7.25, 10.2g. 

Estimate £600 - £800

A RUBY, EMERALD AND DIAMOND TOI ET MOI RING in 14ct yellow gold, set with oval cabochon rubies in borders of calibre cut emeralds, the band set with round brilliant cut diamonds, stamped 585, size O / 7.25, 8.5g.

Estimate £600 - £800

NO RESERVE - A SEVEN STONE DIAMOND RING in white gold, set with seven round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, no assay marks, size K / 5.25, 4.2g. 

Estimate £800 - £1,200

A RUBY AND DIAMOND FLOWER RING in 18ct yellow and white gold, designed as a flower set with tapered baguette cut rubies and round brilliant cut diamonds, the rubies totalling 13.50 carats, the diamonds totalling 4.25 carats, stamped 18K, size N / 6.7

Estimate £3,500 - £4,500

A DIAMOND ENGAGEMENT RING in platinum, set with a cushion cut diamond of 1.04 carats in a border of round brilliant cut diamonds, the band set with further diamonds, stamped Pt950, size M1/2 / 6.5, 5.2g. Accompanied by a facsimile GIA report stating

Estimate £2,500 - £3,500

A SAPPHIRE AND DIAMOND FIVE STONE RING in 18ct white gold, set with three round cut sapphires and two round brilliant cut diamonds, stamped 750, size L1/2 / 6, 5.4g. 

Estimate £800 - £1,200

LEO PIZZO, A YELLOW AND WHITE DIAMOND DRESS RING in 18ct white and yellow gold, the bi colour band set with round brilliant cut yellow and white diamonds, accented by two pear shaped motifs pave set with round brilliant cut yellow and white diamonds,

Estimate £2,000 - £3,000

A DIAMOND CLUSTER RING in yellow gold, set with a cluster of rose cut diamonds, no assay marks, size J1/2 / 5, 34.2g. 

Estimate £2,500 - £3,500

AN ANTIQUE ISLAMIC CARNELIAN AND GOLD INTAGLIO RING in high carat yellow gold, set with an ancient carved carnelian intaglio, no assay marks, size V / 10.5, 20.1g.

Estimate £2,000 - £3,000

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an emerald cut diamond of 1.03 carats, partial British hallmarks, size N / 6.75, 3.3g. 

Estimate £3,000 - £5,000

A PLIQUE A JOUR ENAMEL AND DIAMOND BIRD RING in 18ct yellow gold, designed as two mirrored crane birds, the wings decorated with plique a jour enamel and single cut diamonds, stamped 750, size N / 6.75, 6.3g. 

Estimate £1,500 - £2,500

A DIAMOND ETERNITY RING in 18ct white gold, set all around with three rows of round brilliant cut diamonds, the diamonds all totalling 3.4-3.6 carats, stamped 750, size N1/2 / 7, 6.3g. 

Estimate £1,500 - £2,500

A SOLITAIRE DIAMOND RING in 18ct white gold, set with a pear brilliant cut diamond of 0.84 carat, flanked by two tapered baguette cut diamonds, full British hallmarks, size K / 5.25, 2.4g. 

Estimate £1,500 - £2,500

A DIAMOND BAND RING in 18ct white gold, the wide band set all around with rows of round brilliant cut diamonds, stamped 750, size K1/2 / 5.5, 20.9g. 

Estimate £1,000 - £1,500

A DIAMOND BAND RING in 18ct white gold, the openwork foliate band accented by round cut diamonds, stamped 750, size O1/2 / 7.5, 8.6g. 

Estimate £600 - £800

A RUBY AND DIAMOND RING in 18ct white gold and platinum, set with a cushion ruby of approximately 0.90 carats in a border of round brilliant and baguette cut diamonds, French import marks, size L1/2 / 6, 3.5g. 

Estimate £1,000 - £1,500

A DIAMOND ILLUSION CLUSTER RING in 18ct white gold, set with a cluster of round brilliant and baguette cut diamonds in a border of round brilliant cut diamonds, the shoulders and mount set with further round brilliant and baguette cut diamonds, stamp

Estimate £1,500 - £2,500

A DIAMOND RING in 18ct white gold, set with an old European cut diamond of approximately 0.77 carats in a halo of round cut diamonds, stamped 750, size K / 5.25, 3.1g. 

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND RING in platinum, set with a princess cut diamond of approximately 1.00 carat, partial British hallmarks, size M1/2 / 6.5, 5.1g. 

Estimate £800 - £1,200

A DIAMOND DRESS RING in 18ct white gold, the abstract ring pave set with round brilliant cut diamonds, stamped 750, size N / 6.75, 10.6g. 

Estimate £800 - £1,200

CHANEL, A CITRINE AND DIAMOND DRESS RING in 18ct white gold, set with round and oval cut citrines, accented by round brilliant cut diamonds, maker's mark, French assay marks, sizing band, size J1/2 / 5, 14.9g.

Estimate £3,000 - £5,000

NO RESERVE - A DIAMOND RING in white gold, the open band set with a row of round brilliant cut diamonds, accented on each side by a row of further round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 10.2g. 

Estimate £800 - £1,200

NO RESERVE - A DIAMOND ILLUSION CLUSTER RING in 18ct white gold, comprising three illusion set clusters of baguette and round brilliant cut diamonds, in a border of round brilliant cut diamonds, partial British hallmarks, size N / 6.75, 5.7g. 

Estimate £1,500 - £2,500

NO RESERVE - A PINK SAPPHIRE AND DIAMOND RING in platinum, set with a marquise cut pink sapphire in a border of round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, stamped Pt950, size L / 5.75, 4.9g. 

Estimate £1,000 - £1,500

NO RESERVE - AN AQUAMARINE AND DIAMOND RING in 18ct white gold, set with a cushion cut aquamarine in a border of round brilliant cut diamonds, the band set with further diamonds, partial British hallmarks, size N1/2 / 7, 5.2g. 

Estimate £600 - £800

NO RESERVE - A DIAMOND CLUSTER RING in platinum, set with a round brilliant cut diamond of approximately 0.62 carats in a cluster of further round brilliant cut diamonds, partial British hallmarks, size O1/2 / 7.5, 4.4g. 

Estimate £800 - £1,200

AN EMERALD AND DIAMOND RING in 18ct white gold, set with an oval cut emerald of approximately 2.40 carats, accented on each side by a trio of round brilliant cut diamonds, stamped 750, size O / 7.25, 3.1g. 

Estimate £800 - £1,200

A HEART SHAPED DIAMOND SOLITAIRE RING in 18ct white gold, set with a heart cut diamond of approximately 4.11 carats, full British hallmarks, size L1/2 / 6, 4.7g. 

Estimate £12,000 - £16,000

NO RESERVE -  A WEDDING BAND RING in platinum, of plain design, partial British hallmarks, size J / 4.75, 3.2g. 

Estimate £150 - £250

CARTIER, A DIAMOND C DE CARTIER RING, 2000, in 18ct white gold, the open band ring terminating in a C motif set with round brilliant cut diamonds, signed Cartier and numbered, stamped 750, size J1/2 / 5, 10.7g. 

Estimate £700 - £900

NO RESERVE - A DIAMOND BAND RING in 14ct white gold, the band set with a row of round brilliant cut diamonds, full British hallmarks, size N / 6.75, 7.3g. 

Estimate £300 - £500

A DIAMOND ENGAGEMENT RING in platinum, set with a cushion cut diamond of 1.02 carats in two borders of round brilliant cut diamonds, the band set with further diamonds, partial British hallmarks, size H / 3.75, 5.4g. Accompanied by a facsimile GIA re

Estimate £3,000 - £5,000

A DIAMOND DRESS RING in 18ct white gold, the stylised crossover ring pave set with round brilliant cut diamonds, marked indistinctly, size O / 7.25, 8.7g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND RING in 14ct white gold, set with a pear cut emerald of 2.10 carats, in a border of round cut diamonds, on a bifurcated band set with further round cut diamonds, stamped K14, size N1/2 / 7, 3.0g. 

Estimate £800 - £1,200

A DIAMOND DRESS RING in 18ct white gold, the openwork bombe ring set with round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 15.3g. 

Estimate £1,000 - £1,500

A 4.01 CARAT SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of 4.01 carats, the band set with round brilliant cut diamonds, partial British hallmarks, size M / 6.25, 6.9g. 

Estimate £20,000 - £30,000