A FINE ANTIQUE DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold, set with two old cut diamonds of approximately 0.72 and 0.78 carats, the band set with further old cut diamonds, size L1/2 / 6, 2.9g. 

Estimate £500 - £700

A FINE DIAMOND AND ENAMEL SNAKE RING in yellow gold, designed as a coiled snake decorated throughout with blue enamel, the head set with a pear cut diamond of approximately 0.50 carats, the eyes set with rose cut diamonds, no assay marks, size M / 6.

Estimate £1,000 - £1,500

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of 23.95 carats, the stepped shoulders set with round brilliant cut diamonds, no assay marks, size O / 7.25, 12.8g. 

Estimate £4,000 - £6,000

CARTIER, A DIAMOND TRINITY DE CARTIER RING in rhodium plated 18ct gold, comprising three bands set with round brilliant cut diamonds, signed Cartier and numbered, later rhodium plated, French assay mark, stamped 750, size K1/2 / 5.5, 9.2g. 

Estimate £2,500 - £3,500

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an oval cut sapphire of 3.78 carats between two round brilliant cut diamonds, the diamonds both totalling 1.15 carats, partial British hallmarks, size M / 6.25, 6.4g. 

Estimate £2,000 - £3,000

A CEYLON NO HEAT YELLOW SAPPHIRE AND DIAMOND RING in 18ct white gold and platinum, set with an oval cut yellow sapphire of 10.16 carats in a stylised cluster set with round brilliant cut diamonds, stamped 18CT PLAT, size M / 6.25, 8.2g. Accompanied b

Estimate £2,000 - £3,000

A COLOMBIAN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of 1.86 carats accented on each side by a trillion cut diamond, the diamonds totalling 0.76 carats, no assay marks, size N / 5.75, 3.5g. Accompanied by a gemmolog

Estimate £2,000 - £3,000

A BLACK OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cabochon black opal in a cluster of single cut diamonds, stamped 18ct, size O / 7.25, 2.4g. 

Estimate £600 - £800

A RUBY AND DIAMOND CLUSTER RING in yellow gold, set with a cushion cut ruby of approximately 0.96 carats in a cluster of round brilliant cut diamonds, no assay marks, size M / 6.25, 6.8g. 

Estimate £1,500 - £2,000

A FINE OPAL AND DIAMOND SWEETHEART RING in yellow gold and silver, designed to depict a heart surmounted by a crown / coronet, the heart set with a cabochon opal in a border of old cut diamonds, the coronet further set with old cut diamonds, no assay

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal step cut emerald of 2.70 carats in a border of single cut diamonds, the pierced shoulders set with further diamonds, inscribed E2.70 0.44, stamped PLAT, size N / 6.75, 7.4g. Accompanied b

Estimate £3,000 - £5,000

A BURMA NO HEAT FIVE STONE RING in yellow gold, set with five octagonal step cut rubies, the rubies totalling 1.86 carats, no assay marks, inscribed R TO L 1950-90, size N / 6.75, 4.5g. Accompanied by a facsimile gemmological report stating that the

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cushion cut sapphire of 1.68 carats in border of round brilliant cut diamonds, stamped 750 PL, size N1/2 / 7, 5.6g. 

Estimate £1,000 - £1,500

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby of approximately 1.00 carats in a cluster of pear cut diamonds, the diamonds totalling 1.6-1.8 carats, apparently unsigned but numbered, French assay marks, French maker's

Estimate £2,000 - £3,000

AN ANTIQUE GEORGIAN RUBY AND DIAMOND RING in yellow gold and silver, set with a cushion cut ruby accented by old cut diamonds, no assay marks, size O1/2 / 7.75, 2.3g. 

Estimate £800 - £1,200

RENE KERN, A FINE EMERALD AND DIAMOND RING in platinum, set with an octagonal step cut emerald of 1.01 carats within a cluster of pear and marquise cut diamonds, the diamonds all totalling 2.6-2.8 carats, signed KERN, stamped PT, size N / 6.5, 8.0g.

Estimate £5,000 - £7,000

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set to the centre with an oval cut ruby in a border of round brilliant cut diamonds, full British hallmarks for London 1976, size L / 5.75, 4.5g. 

Estimate £600 - £800

A DIAMOND THREE STONE RING set with three round brilliant cut diamonds, the diamonds all totalling 1.2-1.3 carats, no assay marks, size M / 6.25, 3.7g. 

Estimate £600 - £800

A FINE AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of 22.43 carats, accented on each side by a trio of round brilliant cut diamonds, the diamonds all totalling 0.8-1.0 carat, no assay marks, size O / 7.25, 10.5g. 

Estimate £3,000 - £5,000

A DIAMOND FULL ETERNITY RING set all around with a row of round brilliant cut diamonds, no assay marks, size M / 6.25, 1.9g. 

Estimate £250 - £350

AN AGATE INTAGLIO SEAL SIGNET RING in 18ct yellow gold, set with an piece of agate carved to depict a coat of arms and crest, stamped 750, size J / 4.75, 8.0g. 

Estimate £500 - £700

AN ANTIQUE GARNET, PEARL AND ENAMEL MOURNING RING in yellow gold, set with an elongated cabochon garnet in a border of pearls, accented by black enamel, inscribed to the reverse 'MA Jan 7 1843', on a trifurcated band, no assay marks, size N1/2 / 7, 2

Estimate £250 - £350

A FINE DIAMOND COCKTAIL RING in yellow and white gold, in foliate design set throughout with old cut diamonds, the diamonds all totalling 5.5-6.0 carats, no assay marks, size M / 6.25, 9.6g. 

Estimate £6,000 - £8,000

A RUBY AND DIAMOND RING in 18ct yellow gold and platinum, set with an oval cut ruby of approximately 0.69 carats in a cluster of single cut diamonds, stamped 18CT PLAT, size N / 6.75, 3.4g. 

Estimate £300 - £500

A PERIDOT AND DIAMOND RING in yellow gold and silver, set with a cushion cut peridot between two rose cut diamonds, no assay marks, size S1/2 / 9.25, 2.7g. 

Estimate £500 - £700

AN ANTIQUE GEORGIAN PEARL, DIAMOND AND ENAMEL RING in yellow gold, the tapering openwork band set with three pearls in a border of rose cut diamonds, accented by blue enamel and a border of further pearls, no assay marks, size L1/2 / 6, 2.9g. 

Estimate £600 - £800

AN ANTIQUE GEORGIAN MOURNING RING in yellow gold, the navette face with ornate hairwork depicting two women beneath a tree with the words 'A TOKEN OF GRATITUDE', no assay marks, size O1/2 / 7.5, 5.8g. 

Estimate £800 - £1,200

A VINTAGE CHINESE GOLD SIGNET RING in 24ct yellow gold, with a Chinese character accented by foliate detailing, Chinese assay marks, stamped 24K, size P1/2 / 8, 9.8g. 

Estimate £800 - £1,200

AN ANTIQUE PASTE AND PEARL RING set with a cushion cut purple paste stone in a border of pearls, no assay marks, size N1/2 / 7, 2.4g. 

Estimate £250 - £350

A PINK SAPPHIRE AND DIAMOND RING set with an octagonal step cut pink sapphire of approximately 1.20 carats in two concentric borders set with old cut diamonds, no assay marks, size I1/2 / 4.5, 5.4g. 

Estimate £2,000 - £3,000

A FINE PINK SAPPHIRE AND DIAMOND CLUSTER RING set with an octagonal step cut pink sapphire of approximately 1.05 carats in a cluster of old cut diamonds, no assay marks, size M / 6.25, 3.0g. 

Estimate £600 - £800

A COLOMBIAN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an octagonal step cut emerald of 2.51 carats in two concentric borders of round brilliant cut diamonds, full British hallmarks, indistinct date letter, size R / 8.75, 10.5g. Accompani

Estimate £3,000 - £5,000

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.60 carats in a cluster of round brilliant cut diamonds, full British hallmarks, size O / 7.25, 4.6g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND DRESS RING set to the centre with a round brilliant cut diamond of approximately 0.60 carats accented by calibre cut emeralds and further round brilliant cut diamonds, no assay marks, size N / 6.75, 4.3g. 

Estimate £1,500 - £2,500

AN ANTIQUE GEORGIAN JET MOURNING LOCKET RING in yellow gold, set with a glass locket compartment in a border of round faceted jet, the band set all around with further jet, inscribed to the reverse 'John Fielder Ob. 21 Nov. 1814 At. 34', no assay mar

Estimate £400 - £600

AN AQUAMARINE RING in 14ct white gold, set with an octagonal mixed cut aquamarine of approximately 12.68 carats, stamped 585, size J1/2 / 5, 6.0g. 

Estimate £500 - £700

A FINE BURMA NO HEAT PINK SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut pink sapphire of 1.61 carats accented by old cut diamonds, stamped PLAT, size M1/2 / 6, 5.0g. Accompanied by a gemmological report stating that the pink sapphire is

Estimate £2,000 - £3,000

TIFFANY & CO., A DIAMOND ETERNITY BAND RING in platinum, the band set with a central row of square step cut diamonds, between rows of single cut diamonds, the diamonds all totalling 3.9-4.2 carats, stamped Tiffany & Co, stamped Irid Plat, size K1/2 /

Estimate £3,000 - £5,000

A DIAMOND SIGNET RING in 18ct yellow and white gold, pave set with round brilliant cut diamonds totalling 0.5 carats, to stylised ridged shoulders, stamped 18k 750, size T1/2 / 9.75, 11.6g.

Estimate £500 - £700

A RUBY AND DIAMOND DRESS RING set with an oval cut ruby of approximately 0.76 carats in a laurel style border set with rose cut diamonds, accented by round cut rubies, no assay marks, size O / 7.25, 3.9g. 

Estimate £800 - £1,200

AN UNHEATED RUBY AND DIAMOND RING in 14ct white gold, set with an oval cut ruby of 0.95 carats accented on each side with two baguette cut diamonds, stamped 585, size L1/2 / 6, 3.5g. Accompanied by a gemmological report stating that the ruby is of Th

Estimate £400 - £600

AN ANTIQUE HARDSTONE INTAGLIO RING in yellow gold, set with an orange hardstone intaglio carved to depict an Egyptian figure, size M / 6.25, 3.1g. 

Estimate £500 - £700

A VINTAGE DIAMOND TOI ET MOI RING in 18ct yellow gold, set with two round brilliant cut diamonds of approximately 1.00 and 1.10 carats respectively, full British hallmarks for 1969, size P / 7.75, 4.1g.

Estimate £1,500 - £2,500

AN ANTIQUE EMERALD FIVE STONE RING, 19TH CENTURY in yellow gold, set with five cushion cut emeralds, no assay marks, size N/ 7, 2.4g. 

Estimate £800 - £1,200

AN ANTIQUE AGATE INTAGLIO / SEAL RING in yellow gold, set with an early blue agate intaglio carved to depict a warrior in a beaded border, no assay marks, size O / 7.25, 4.2g. 

Estimate £1,000 - £1,500

AN ENAMEL GENTLEMANS RING in 22ct yellow gold, the rectangular face decorated with blue, red, and green enamel and the name ANTON, stamped 916, U1/2 / 10.5, 24.1g. 

Estimate £1,200 - £1,800

AN ANTIQUE PEARL AND ENAMEL RING in yellow gold, set with a pearl, the band decorated with turquoise blue enamel, no assay marks, size J1/2 / 5, 1.7g. 

Estimate £250 - £350

AN ANTIQUE GARNET THREE STONE RING in yellow gold, set with three oval cut garnets, no assay marks, size I1/2 / 4.5, 1.5g. 

Estimate £100 - £150

A DIAMOND DRESS RING in yellow gold, set with an old European cut diamond of approximately 0.66 carats accented by a scrolling border set with old cut diamonds, the diamonds all totalling 1.7-2.0 carats, no assay marks, size N1/2 / 7, 5.1g. 

Estimate £800 - £1,200

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold and silver, set with a cushion cut sapphire in a cluster of rose cut diamonds, no assay marks, band split, size N / 6.75, 2.6g. 

Estimate £1,500 - £2,500

A RUBY FIVE STONE RING in yellow gold, set with five oval cut rubies all totalling 4.0-4.5 carats, no assay mars, size O1/2 / 7.5, 5.7g. 

Estimate £2,000 - £3,000

AN OLD CUT DIAMOND CLUSTER RING in yellow gold and silver, set with a cluster of old cut diamonds in an openwork design, no assay marks, size M / 6.25, 4.4g. 

Estimate £400 - £600

AN ANTIQUE VICTORIAN PEARL AND ENAMEL RING in 18ct yellow gold, set with a pearl, the band decorated with black enamel, full British hallmarks for London 1837, size N1/2 / 7, 2.2g. 

Estimate £300 - £500

AN AQUAMARINE AND DIAMOND RING set with an oval mixed cut aquamarine of 12.52 carats, accented on each side by three round brilliant cut diamonds, the diamonds all totalling 0.6-0.7 carats, no assay marks, size P / 7.5, 7.9g.

Estimate £2,000 - £3,000

A FINE IMPERIAL TOPAZ AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an octagonal step cut imperial topaz of 9.66 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.4-1.5 carats, stamped 18ct, size O / 7, 8.9g. 

Estimate £5,000 - £7,000

A PEARL AND DEMANTOID GARNET RING in yellow gold, set with three pearls in a border of calibre cut demantoid garnets, no assay marks, size M / 6.25, 7.7g. 

Estimate £600 - £800

A VINTAGE SYNTHETIC OPAL AND DIAMOND RING in yellow gold, set with three cabochon synthetic opals accented by single cut diamonds, no assay marks, size K / 5.25, 2.1g. 

Estimate £100 - £150

AN ANTIQUE PEARL AND ENAMEL MOURNING LOCKET RING in yellow gold, the elongated face set with a glass covered compartment with hairwork accented by blue enamel and pearls, no assay marks, size M1/2 / 6.5, 7.1g. 

Estimate £400 - £600

A CITRINE AND AMETHYST CLUSTER RING in 14ct yellow gold, set with a round cut citrine in a cluster of oval cut citrine and round cut amethyst, stamped 585 14K, J1/2 / 5, 11.5g. 

Estimate £500 - £700

A SOLITAIRE DIAMOND RING in platinum, set with an old European cut diamond of 1.56 carats, the shoulders set with single cut diamonds, stamped platinum, size N / 6.75, 3.4g. Accompanied by a gemmological report from GIA stating that the diamond is I

Estimate £3,000 - £5,000

TWO RINGS in 22ct yellow gold, one ring in a marquise shape in a stylised pierced design, stamped 916, size L1/2 / 6, 3.1g, and a ring set with colourless stones, stamped 916, N / 6.75, 2.1g. 

Estimate £220 - £280

A PEARL RING in 14ct yellow gold, set with a pearl of 7.2mm accented by foliate motifs, stamped 14K, size L / 5.75, 3.6g. 

Estimate £150 - £250

A RUBY AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut ruby in a cluster of rose cut diamonds, no assay marks, size M1/2 / 6.5, 3.5g. 

Estimate £500 - £700

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an octagonal step cut emerald in a cluster of old cut diamonds, stamped 18, size M1/2 / 6.5, 2.9g. 

Estimate £500 - £700

A RUBY AND DIAMOND BAND RING in 18ct white gold, set with an oval cut ruby of approximately 0.70 carats, accented by rows of round brilliant cut diamonds, stamped 750, size L / 5.75, 8.9g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND CLUSTER RING set to the centre with an oval cut sapphire of 3.31 carats in a border of round brilliant cut diamonds, no assay marks, size N / 6.75, 4.9g. 

Estimate £2,000 - £3,000

A RUBY AND DIAMOND FIVE STONE RING in 18ct yellow gold, set with three round cut rubies and two round brilliant cut diamonds, the rubies totalling approximately 0.80 carats, the diamonds totalling approximately 0.32 carats, stamped 18ct, size R / 8.7

Estimate £150 - £250

A GEMSET DEAREST RING in yellow gold, set with a central cluster of round cut diamond, emerald, amethyst, ruby, emerald, sapphire and blue topaz, spelling DEAREST as an acrostic, to a foliate scroll decorated band, no assay marks, size M / 6.25, 2.0g

Estimate £200 - £300

AN ANTIQUE DENDRITIC AGATE AND GARNET RING in yellow gold, set with an oval cabochon cut piece of dendritic agate, within a border of step cut garnets, no assay marks, size P / 7.5, 2.8g.

Estimate £500 - £700

A SAPPHIRE AND DIAMOND CLUSTER RING in yellow and white gold, set to the centre with a rectangular step cut sapphire of approximately 0.80 carats in a border of round brilliant cut diamonds, no assay marks, size M / 6.25, 4.3g. 

Estimate £500 - £700

A RUBY AND DIAMOND RING set with a cushion cut ruby of approximately 1.51 carats, the stepped shoulders set with baguette cut diamonds, no assay marks, size O / 7, 4.5g. 

Estimate £2,000 - £3,000

A RUBY AND DIAMOND CLUSTER RING in yellow gold, set with an old cut diamond in a cluster of round cut rubies, accented by single cut diamonds, no assay marks, size M1/2 / 6.5, 2.7g. 

Estimate £300 - £500

A DIAMOND FULL ETERNITY RING set all around with a row of round brilliant cut diamonds, no assay marks, size M / 6.25, 1.8g. 

Estimate £400 - £600

AN ANTIQUE VICTORIAN HAIRWORK BELT MOURNING RING in yellow gold, designed as an articulated belt with engraved detailing, opening to reveal a hidden compartment containing hairwork, no assay marks, size N / 6.75, 4.3g. 

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

A RUBY AND DIAMOND SNAKE RING in 18ct white and yellow gold, designed as a coiled snake, pave set with round brilliant cut diamonds all totalling 1.9-2.0 carats, the eyes set with oval cut rubies, stamped 750, size M / 6, 9.5g. 

Estimate £1,500 - £2,500

AN AQUAMARINE AND DIAMOND RING set with a rectangular step cut aquamarine of 9.10 carats, the stepped shoulders set with round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 5.8g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.0 carats between two round brilliant cut diamonds, full British hallmarks for London 1978, size M / 6.25, 3.1g. 

Estimate £300 - £500

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with three round cut rubies each in a border of single cut and round brilliant cut diamonds, stamped 18CT PLAT, size M / 6.25, 3.10g. 

Estimate £600 - £800

AN ORANGE SAPPHIRE AND DIAMOND THREE STONE in 18ct white gold, set with a cushion cut orange sapphire of approximately 2.66 carats between two round brilliant cut diamonds, full British hallmarks, size M / 6.25, 3.5g. 

Estimate £1,500 - £2,500

AN ANTIQUE GEORGIAN MOURNING RING, LATE 18TH CENTURY in yellow gold, the navette shaped face with intricate hairwork depicting an urn under a willow tree, beneath a glass panel, no assay marks, size M1/2 / 6.5, 9.8g. 

Estimate £600 - £800