AN ANTIQUE CORAL AND DIAMOND CLUSTER RING in 22ct yellow gold, set with a cabochon coral in a cluster of old cut diamonds, stamped 22, size L / 5.75, 4.8g. 

Estimate £300 - £500

A DIAMOND AND SAPPHIRE TARGET RING in platinum, set with an old European cut diamond of approximately 0.75 carats in an openwork meander style frame set with French cut sapphires and round brilliant cut diamonds, no assay marks, size N / 6.75, 4.3g. 

Estimate £2,000 - £3,000

AN ANTIQUE GARNET CLUSTER RING, 18TH CENTURY in yellow gold and silver, set with a cluster of flat cut garnets, no assay marks, size J1/2 / 5, 6.3g. 

Estimate £1,500 - £2,500

LOT WITHDRAWN - GARRARD, A DIAMOND THREE STONE RING in 18ct yellow gold, set with three round brilliant cut diamonds all totalling approximately 1.85 carats, signed Garrard, full British hallmarks, size M / 6.25, 3.6g. Accompanied by original box and

Estimate £1,500 - £2,500

NO RESERVE - GARRARD, A GOLD WEDDING BAND RING in 18ct yellow gold, of plain design, signed Garrard, full British hallmarks, size N1/2 / 7, 3.0g. Accompanied by a Garrard jewellery pouch and purchase receipt. 

Estimate £100 - £150

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 £1,200 - £1,800

A CEYLON NO HEAT PADPARADSCHA SAPPHIRE AND DIAMOND RING in platinum, set with a cushion cut padparadscha sapphire of 1.18 carats accented by round brilliant cut diamonds, on a bifurcated band, full British hallmarks, size M1/2 / 6.5, 9.7g. Accompanie

Estimate £3,000 - £5,000

A RECONSTITUTED TURQUOISE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon reconstituted turquoise in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.2-1.3 carats, size K / 5.25, 9.7g. 

Estimate £1,000 - £1,500

A DIAMOND BAND RING in 18ct yellow gold, set with a row of baguette cut diamonds, stamped 750, size V / 10.5, 7.5g. 

Estimate £800 - £1,200

A JADEITE JADE DRESS RING in 14ct yellow gold, the modernist ring set with a slice of carved jadeite jade, stamped 14K, size R1/2 / 8.75, 13.5g. 

Estimate £1,000 - £1,500

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a round cut ruby of approximately 0.62 carats in a cluster of single cut diamonds, stamped 18CT PLAT, size L1/2 / 6, 3.5g. 

Estimate £600 - £800

A SOLITAIRE DIAMOND RING in yellow gold, set with an old cut diamond of approximately 1.06 carats, no assay marks, size R / 8.75, 2.6g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND AND ENAMEL RING in yellow gold and silver, the oval face decorated with blue enamel, with an applied cross motif set with old cut diamonds, in a border of further old cut diamonds, the diamonds all totalling 1.8-2.1 carats, glass c

Estimate £2,500 - £3,500

SOLANGE AZAGURY-PARTRIDGE, AN ONYX, TURQUOISE AND DIAMOND COSMIC ATOM RING in 18ct yellow gold, the square face designed as an atom inlaid with polished onyx and turquoise, accented by round brilliant cut diamonds, in a border of further polished ony

Estimate £2,000 - £3,000

AN ANTIQUE CARNELIAN INTAGLIO RING in 18ct yellow gold, set with carnelian intaglio carved to depict the profile of two men, no assay marks, size J / 4.75, 5.5g.

Estimate £2,500 - £3,500

LOT WITHDRAWN - AN EMERALD DOUBLET AND DIAMOND CLUSTER RING in yellow gold and platinum, set with an octagonal step cut emerald doublet in a cluster of old cut diamonds, no assay marks, size K1/2 / 5.5, 4.4g. 

Estimate £10 - £20

A DIAMOND GYPSY RING in 18ct yellow gold, set with an old European cut diamond of approximately 1.92 carats, stamped 18, size S / 9.25, 9.3g. 

Estimate £8,000 - £12,000

AN ANTIQUE PEARL AND ENAMEL RING in 14ct yellow gold, the oval face set with pearls accented by turquoise enamel, stamped 585, size Q / 8.25, 6.3g. 

Estimate £300 - £500

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with two round brilliant cut diamonds totalling approximately 1.20 carats in a border of calibre cut sapphires, accented by further calibre cut sapphires and old cut diamonds, marked indistinctly, si

Estimate £4,000 - £6,000

A PURPLE STAR SAPPHIRE AND DIAMOND RING in platinum, set with an oval cabochon purple star sapphire of approximately 6.00 carats, accented by single cut diamonds, no assay marks, size K1/2 / 5.5, 5.0g. 

Estimate £3,000 - £5,000

A SOLITAIRE DIAMOND RING in platinum, set with an old European cut diamond of approximately 1.22 carats, no assay marks, size M / 6.25, 3.1g. 

Estimate £4,000 - £6,000

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds, the diamonds all totalling 3.7-3.9 carats, stamped 750, size Q / 8.25, 6.0g. 

Estimate £1,500 - £2,500

AN ENAMEL, DIAMOND AND RUBY ZEBRA RING in yellow gold, designed as a coiled zebra decorated with black and white striped enamel, the mane set with a row of round brilliant cut diamonds, the eyes set with round cut rubies, no assay marks, size I / 4.2

Estimate £2,500 - £3,500

A RETRO GREEN TOURMALINE AND DIAMOND RING in yellow and white gold, set with two octagonal step cut green tourmalines totalling approximately 13.00 carats, accented by trios of single cut diamonds, no assay marks, size L1/2 / 6, 13.6g. 

Estimate £1,200 - £1,600

A FIRE OPAL AND DIAMOND RING in white gold, set with an octagonal step cut fire opal of approximately 1.68 carats in a border of old cut diamonds, the diamonds all totalling 0.9-1.0 carats, no assay marks, size P1/2 / 8, 4.6g. 

Estimate £1,000 - £1,500

A SEVEN STONE DIAMOND RING in 18ct white gold, set with seven round brilliant cut diamonds, the diamonds all totalling 2.17 carats, inscribed 7/2.17, stamped 18K, size N / 6.75, 4.0g. 

Estimate £1,500 - £2,500

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with cushion cut sapphires and old cut diamonds, stamped 18CT, size Q1/2 / 8.5, 3.9g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of approximately 2.14 carats in a cluster of round brilliant cut diamonds, full British hallmarks, size O1/2 / 7.5, 5.7g. 

Estimate £1,200 - £1,600

AN ANTIQUE SWEDISH DIAMOND GIARDINETTO RING in yellow gold and silver, set with old and rose cut diamonds in a flower basket formation, Swedish assay marks, M / 6.25, 2.3g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND AND ENAMEL RING in 14ct yellow gold, the blue enamel face set with rose cut diamonds, in a border of white enamel, no assay marks, size L / 5.75, 4.3g. 

Estimate £2,000 - £3,000

A RUBY AND DIAMOND ETERNITY RING in 18ct white gold, set all around with a row of square step cut rubies and single cut diamonds, stamped 18CT, size M / 6.25, 3.8g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a round cut sapphire of approximately 1.27 carats accented on each side by a round brilliant cut diamond, full British hallmarks, size Q1/2 / 8.5, 4.4g. 

Estimate £1,000 - £1,500

A DIAMOND RING in platinum, set with an old European cut diamond of approximately 0.88 carats on a bifurcated band, no assay marks, size O1/2 / 7.5, 5.1g. 

Estimate £2,500 - £3,500

THREE GEMSET FULL ETERNITY RINGS in 18ct white gold, one set all around with a row of round brilliant cut diamonds, one set all around with square step cut rubies, and one set all around with square step cut sapphires, each stamped 750, sapphire and

Estimate £2,000 - £3,000

AN ANTIQUE HARDSTONE CAMEO RING in yellow gold, set with an oval hardstone cameo carved to depict the bust of a classical gentleman, no assay marks, size M1/2 / 6.5, 13.2g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND NAVETTE RING in rose gold, the navette face set throughout with old cut diamonds, the diamonds all totalling 1.4-1.7 carats, no assay marks, size P1/2 / 8, 4.1g. 

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND SNAKE RING in 18ct yellow gold, designed as a coiled snake, set with old cut diamonds, full British hallmarks for Birmingham 1907, size S1/2 / 9.5, 10.7g. 

Estimate £1,000 - £1,500

AN ANTIQUE LOVER'S EYE RING in yellow gold, comprising a painted eye beneath a glass panel, no assay marks, size M / 6.25, 4.5g. 

Estimate £1,000 - £1,500

AN ANCIENT GOLD COIN AND DIAMOND RING in 18ct yellow gold, set with an ancient gold coin from Constantinople (579-582AD) depicting Emperor Tiberius II Constantine in a border of round brilliant cut diamonds, on a trifurcated band, stamped 18K, size L

Estimate £3,500 - £4,500

AN ANTIQUE ENAMEL MOURNING RING in yellow gold, the rectangular face decorated with black and white enamel depicting an urn under a willow tree, glass covered locket panel to the reverse with initials WML, no assay marks, size R1/2 / 9, 5.7g. 

Estimate £500 - £700

A DIAMOND GYPSY RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 1.26 carats, full British hallmarks for Birmingham 1976, size V / 10.75, 5.5g. 

Estimate £3,000 - £5,000

AN ANTIQUE EMERALD AND DIAMOND SWEETHEART RING in yellow gold and silver, set with a pear cut emerald and rose cut diamond, accented by further rose cut diamonds and cushion cut emeralds, no assay marks, size H / 3.75, 1.9g.  

Estimate £1,500 - £2,500

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a radiant cut diamond of 1.01 carats, full British hallmarks, size K / 5.25, 3.3g. Accompanied by a facsimile gemmological report from GIA stating that the diamond is F colour and VS2 clarity. 

Estimate £2,000 - £3,000

A PINK SAPPHIRE AND DIAMOND RING in 18ct white gold, set with three oval cut pink sapphires accented by round cut diamonds, stamped 750, size I1/2 / 4.5, 5.7g. 

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut sapphire of approximately 7.00 carats in a cluster of round brilliant cut diamonds, the shoulders set with further diamonds, stamped 18K, size N1/2 / 7, 9.6g.

Estimate £4,000 - £6,000

AN UNHEATED RUBY AND DIAMOND THREE STONE RING in 18ct white gold, set with a cushion cut ruby of 1.16 carats accented on each side by a round brilliant cut diamond, partial British hallmarks, size M1/2 / 6.5, 3.6g. Accompanied by a gemmological repor

Estimate £2,000 - £3,000

A DIAMOND DRESS RING in 18ct white gold, set with nine round brilliant cut diamonds on a trifurcated band, the diamonds all totalling 1.30 carats, inscribed 9/1.30ct, stamped 18K, size N / 6.75, 5.7g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND DRESS RING in platinum, set with an octagonal step cut emerald of approximately 4.87 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size N1/2 / 7, 7.0g. 

Estimate £2,500 - £3,500

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut aquamarine of approximately 3.81 carats in a cluster of round brilliant cut diamonds, stamped 750, size P / 7.75, 6.4g. 

Estimate £800 - £1,200

A RETRO CITRINE AND DIAMOND DRESS RING in yellow gold, in scrolling design set with a row of rectangular step cut citrines accented by round brilliant and single cut diamonds, no assay marks, size M / 6.25, 9.4g. 

Estimate £800 - £1,200

A FRENCH DIAMOND RING in 18ct yellow gold, the band designed as Adam and Eve holding a round brilliant cut diamond of approximately 0.45 carats, French assay marks, size N / 6.75, 7.6g. 

Estimate £2,000 - £3,000

A GOLD DRESS RING in yellow gold, in an openwork interlocking design, marked indistinctly, size J / 4.75, 9.9g.

Estimate £400 - £600

AN IMPERIAL TOPAZ AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut topaz of approximately 3.36 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.1-1.3 carats, stamped 18CT, size M / 6.25, 7.0g. 

Estimate £1,500 - £2,500

A DIAMOND DRESS RING in yellow gold and silver, the oval face set throughout with old cut diamonds, no assay marks, size L1/2 / 6, 13.5g. 

Estimate £5,000 - £7,000

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.75 carats in a cluster of round brilliant cut diamonds, stamped 18CT, size M1/2 / 6.5, 5.7g. 

Estimate £1,000 - £1,500

AN ANTIQUE BANDED AGATE CAMEO RING in 18ct yellow gold, set with banded agate cameo carved to depict a classical woman with floral headwear and ram epaulet, no assay marks, size M / 6.25, 24.9g.

Estimate £2,500 - £3,500

A DIAMOND DRESS RING 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 DIAMOND SNAKE RING in yellow gold, designed as a coiled snake, the head set with a pear shaped rose cut diamond, no assay marks, size O1/2 / 7.5, 3.6g. 

Estimate £1,000 - £1,500

AN OPAL AND DIAMOND RING in yellow gold, set with a cabochon opal accented by rose cut diamonds, no assay marks, size N / 6.75, 3.7g. 

Estimate £600 - £800

A YELLOW SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an oval cut yellow sapphire of approximately 1.70 carats, accented on each side by a round brilliant cut diamond, stamped PLAT, size P / 7.75, 5.2g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND SNAKE RING in 18ct yellow gold, designed as a coiled snake set with old cut diamonds, P&S maker's mark, full British hallmarks for Birmingham 1906, size Z+1 / 13, 10.6g. 

Estimate £1,500 - £2,500

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 trios of round brilliant cut diamonds, stamped 750, size N1/2 / 7, 3.0g. 

Estimate £1,200 - £1,600

A GREEN TOURMALINE AND DIAMOND DRESS RING in yellow gold, set with a rectangular step cut green tourmaline accented by round brilliant cut diamonds, no assay marks, size L1/2 / 6, 4.0g. 

Estimate £1,000 - £1,500

A THREE STONE DIAMOND RING in 18ct yellow and white gold, set with three round brilliant cut diamonds, the diamonds all totalling 1.1-1.2 carats, full British hallmarks, size P / 7.75, 3.8g. 

Estimate £1,200 - £1,600

A PEARL AND DIAMOND DRESS RING in yellow gold, set with a pearl of 19.4mm accented by trillion, carre and baguette cut diamonds, no assay marks, size M / 6.25, 21.6g. 

Estimate £4,000 - £6,000

A DIAMOND DRESS RING in 18ct yellow gold, set throughout with round brilliant cut diamonds, stamped 750, size L1/2 / 6, 8.2g. 

Estimate £800 - £1,200

AN AQUAMARINE AND DIAMOND RING in 18ct white gold, set with an octagonal step cut aquamarine in a border of round brilliant cut diamonds, the shoulders set with further diamonds, one stone deficient, stamped 18CT, size M1/2 / 6.5, 2.9g. 

Estimate £600 - £800

A DIAMOND THREE STONE RING in yellow gold, set with three round brilliant cut diamonds, the diamonds all totalling 1.5-1.6 carats, inscribed 'ACC to HJP', no assay marks, size N1/2 / 7, 2.5g. 

Estimate £1,200 - £1,600

A COLOMBIAN EMERALD AND DIAMOND RING in yellow gold, set with an octagonal step cut emerald of 1.65 carats in a border of round brilliant cut diamonds, no assay marks, size L1/2 / 6, 4.0g. Accompanied by a gemmological report stating the emerald is o

Estimate £2,000 - £3,000

A SAPPHIRE RING in 18ct white gold, set with an oval cut sapphire of approximately 14.90 carats on a tapering band with a satin finish, stamped 18K, size O1/2 / 7.5, 14.9g. 

Estimate £4,000 - £6,000

A GOLDEN PEARL AND DIAMOND RING in 18ct yellow gold, set with a golden pearl of 12.1mm, the band pave set with round brilliant cut diamonds, stamped 750, size L1/2 / 6, 26.6g. 

Estimate £2,500 - £3,500

A DIAMOND THREE STONE RING in platinum, set with three round brilliant cut diamonds all totalling 0.8-0.9 carats, stamped PLAT, size N1/2 / 7, 2.8g. 

Estimate £800 - £1,200

A PINK TOURMALINE AND DIAMOND DRESS RING in 18ct rose gold, set with an octagonal step cut pink tourmaline of approximately 5.95 carats accented on each side by a baguette cut diamond, in a border of round brilliant cut diamonds, stamped 750, size N

Estimate £1,500 - £2,500

A 1.01 CARAT SOLITAIRE DIAMOND RING in platinum, set with a Leo round brilliant cut diamond of 1.01 carats, full British hallmarks, signed The Leo, size L /5.75, 4.9g. Accompanied by a gemmological report stating that the diamond is of H colour and S

Estimate £3,500 - £4,500

AN EMERALD AND DIAMOND DRESS RING in yellow and white gold, set with an oval cut emerald of approximately 0.93 carats in a cluster of round brilliant cut diamonds, the bifurcated band set with further round brilliant cut diamonds, the diamonds all to

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND ETERNITY RING in 18ct white gold, set all around with a row of alternating pairs of square step cut emeralds and round brilliant cut diamonds, stamped 18CT, size M1/2 / 6.5, 4.6g. 

Estimate £1,500 - £2,500

AN AQUAMARINE AND DIAMOND DRESS RING in platinum, set with a rectangular step cut aquamarine of approximately 9.10 carats, the stepped shoulders set with round brilliant cut diamonds, no assay marks, size M / 6.25, 5.8g. 

Estimate £1,000 - £1,500

A SYNTHETIC EMERALD AND DIAMOND RING in white gold, set with an octagonal step cut synthetic emerald, accented by round cut diamonds, no assay marks, size L1/2 / 6, 3.4g. 

Estimate £200 - £300

A DIAMOND BAND RING in white gold, the flexible band with two panels pave set with round brilliant cut diamonds, signed WHITE, no assay marks, size L / 5.75, 14.9g. 

Estimate £1,200 - £1,600

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of 0.50 carats, maker's mark LJ, stamped 950, size H / 3.75, 3.8g. Accompanied by a gemmological report stating that the diamond is D colour and VS1 clarity.

Estimate £600 - £800

A DIAMOND, RUBY, SAPPHIRE AND EMERALD DRESS RING in platinum, set with a cluster of marquise and pear cut diamonds, rubies, sapphires and emeralds, marked indistinctly, size P / 7.5, 8.1g.

Estimate £3,000 - £5,000

A PEARL AND DIAMOND RING in platinum, set with a pearl of 9.0mm accented by round brilliant cut diamonds, partial British hallmarks, size L1/2 / 6, 7.4g. 

Estimate £300 - £500

A DIAMOND FULL ETERNITY RING in white gold, set all around with a row of princess cut diamonds, accented by round brilliant cut diamonds, no assay marks, size L1/2 / 6, 6.0g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an oval cut sapphire of approximately 4.43 carats accented by round brilliant cut diamonds, on a bifurcated band, signed Levendi, stamped Pt, size M1/2 / 6.5, 16.9g. 

Estimate £3,000 - £5,000

AN EMERALD AND DIAMOND DRESS RING in white gold, set with a rectangular step cut emerald, accented by round brilliant and single cut diamonds, no assay marks, size P / 7.75, 3.1g. 

Estimate £2,500 - £3,500

AN ANTIQUE ART NOUVEAU EMERALD AND DIAMOND RING in yellow gold and silver, in openwork scrolling design set with a pear cut emerald accented by old and rose cut diamonds, no assay marks, size R / 8.75, 5.1g. 

Estimate £1,000 - £1,500

A DIAMOND HALF ETERNITY RING in platinum, comprising a row of channel set round brilliant cut diamonds all totalling 1.00 carat, inscribed 1.00, full British hallmarks, size I / 4.25, 6.6g.

Estimate £400 - £600

A VINTAGE COLOMBIAN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an octagonal step cut emerald of 2.51 carats in a double border of round brilliant cut diamonds, the diamonds all totalling 0.9-1.0 carat, full British hallmarks for London 19

Estimate £2,500 - £3,500

A BLUE ZIRCON AND DIAMOND CLUSTER RING in 18ct white gold and platinum, set with a round cut blue zircon of approximately 2.93 carats in a cluster of single cut diamonds, stamped 18CT PLAT, size L / 5.75, 4.8g. 

Estimate £600 - £800

A PINK DIAMOND DRESS RING in 18ct white gold, the wide band set with various cut pink diamonds all totalling 3.4-3.8 carats, no assay marks, size M / 6.25, 24.4g. 

Estimate £4,000 - £6,000

A DIAMOND FULL ETERNITY RING in white gold, set all around with a row of round brilliant cut diamonds, the diamonds all totalling 1.4-1.5 carats, no assay marks, size M1/2 / 6.5, 3.6g. 

Estimate £800 - £1,200

A DIAMOND DRESS RING in 18ct white gold, comprising five square motifs pave set with round cut diamonds, stamped 750, size L1/2 / 6, 3.8g. 

Estimate £500 - £700

AN ANTIQUE GEORGIAN DIAMOND, PINK TOPAZ AND RUBY SWEETHEART RING in yellow gold and silver, set with a rose cut diamond and pear cut pink topaz, accented by cushion cut rubies and further rose cut diamonds, no assay marks, size I1/2 / 4.5, 3.4g. 

Estimate £1,000 - £1,500

AN ANTIQUE SEVEN STONE DIAMOND RING in yellow gold and silver, set with a row of seven graduating rose cut diamonds, no assay marks, size R / 8.75, 2.0g. 

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND CLUSTER RING in yellow gold and silver, set with a cluster of rose cut diamonds, no assay marks, size L1/2 / 6, 5.2g. 

Estimate £400 - £600

AN ANTIQUE DIAMOND RING in yellow gold and silver, the navette face set with a row of rose cut diamonds in a border of further rose cut diamonds, no assay marks, size N1/2 / 7, 5.8g. 

Estimate £600 - £800

A ROCK CRYSTAL AND DIAMOND RING in 18ct white gold, set with an etched rock crystal with an applied old cut diamond, inscribed 'Tousa', stamped 18, size M / 6.25, 3.8g. 

Estimate £300 - £500

AN ANTIQUE DIAMOND SNAKE RING in 18ct yellow gold, designed as a coiled snake, the head set with a row of old cut diamonds, the eyes set with further old cut diamonds, full British hallmarks for Birmingham 1907, size S1/2 / 9.5, 10.7g. 

Estimate £800 - £1,200

A DIAMOND CLUSTER RING in 18ct white gold, set with a round brilliant cut diamond of 1.00 carat in a cluster of round brilliant cut diamonds, the band set with further diamonds, no assay marks, size M / 6.25, 3.7g. Accompanied by a gemmological repor

Estimate £3,000 - £5,000

ZOLOTAS, AN ENAMEL LION RING in 18ct yellow gold, designed as two coiled lions decorated with red, green, white and black enamel, maker's mark, stamped 750, size L1/2 / 6, 17.6g. 

Estimate £2,500 - £3,500

A DIAMOND DRESS RING in yellow gold and platinum, designed as a spray set throughout with old European and rose cut diamonds, the diamonds all totalling 0.9-1.0 carats, no assay marks, size Q1/2 / 8.4, 4.7g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with an oval cabochon sapphire in a cluster of rose cut diamonds, no assay marks, size M / 6.25, 2.6g. 

Estimate £600 - £800

AN ANTIQUE PEARL, DIAMOND AND ENAMEL RING in yellow gold, set with a pearl of 6.8mm accented by rose cut diamonds, decorated with blue enamel, no assay marks, size Q / 8.25, 4.8g. 

Estimate £500 - £700

A RUBY AND DIAMOND CLUSTER RING in yellow gold, set with a cushion cut ruby in a cluster of round brilliant cut diamonds, the foliate style band set with round cut diamonds, no assay marks, size M / 6.25, 6.7g. 

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND CLUSTER RING in yellow gold, set with a rectangular step cut emerald in a cluster of old cut diamonds, no assay marks, size Q1/2 / 8.5, 3.6g. 

Estimate £1,000 - £1,500

AN ANCIENT CAMEO RING, 2ND-3RD CENTURY C.E. in 18ct yellow gold, set with banded agate cameo carved to depict Mars, no assay marks, size M / 6.25, 18.7g.

Estimate £3,000 - £5,000

A SAPPHIRE AND DIAMOND FULL ETERNITY RING in 18ct white gold, set all around with a row of French cut sapphires accented by rows of round brilliant cut diamonds, stamped 18K, size K1/2 / 5.5, 6.8g. 

Estimate £1,000 - £1,500

AN OPAL AND DIAMOND RING in yellow gold, set with an oval cabochon opal accented by round brilliant cut diamonds, no assay marks, size N1/2 / 7, 6.1g. 

Estimate £800 - £1,200

A DIAMOND DRESS RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.25 carats accented by further round brilliant and baguette cut diamonds, stamped 18CT, size J1/2 / 5, 3.1g. 

Estimate £800 - £1,200

A PEARL AND DIAMOND CLUSTER RING in yellow gold, set with a pearl of 8.00mm in a border of round cut and carre cut diamonds, no assay marks, size O / 7.25, 5.7g. 

Estimate £2,000 - £3,000

A GREEN TOURMALINE AND DIAMOND RING in yellow gold, set with a cushion cut green tourmaline in a stylised border set with round brilliant cut diamonds, no assay marks, size N / 6.75, 4.2g. 

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of approximately 0.98 carats, partial British hallmarks, size N / 6.75, 4.1g. 

Estimate £2,500 - £3,500

A JADEITE JADE AND DIAMOND RING in platinum and 18ct white gold, set with an oval cabochon jadeite jade accented by rose cut diamonds, stamped PLT&18C, size M / 6.25, 3.7g. 

Estimate £400 - £600

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of approximately 1.00 carat, accented by round cut diamonds, no assay marks, size K1/2 / 5.5, 4.8g. 

Estimate £2,000 - £3,000

A NATURAL SALTWATER PEARL, EMERALD AND DIAMOND RING in yellow gold, set with a pearl of 7.8mm in a border of old cut diamonds and calibre cut emeralds, no assay marks, size M1/2 / 6.5, 3.9g. Accompanied by a gemmological report stating the pearl is o

Estimate £1,200 - £1,600

A DIAMOND CLUSTER RING in platinum and 18ct white gold, set with an old European cut diamond of approximately 1.10 carats in a cluster of old cut diamonds, stamped PLAT 18CT, size O1/2 / 7.5, 5.0g. 

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND THREE STONE RING in platinum, set with an octagonal step cut emerald of approximately 1.01 carats accented on each side by an old cut diamond, the diamonds all totalling 0.8-0.9 carats, partial British hallmarks, size O1/2 / 7.

Estimate £3,000 - £5,000

A SOLITAIRE DIAMOND RING in white gold, set with a transitional cut diamond of approximately 0.75 carats accented by round cut diamonds, no assay marks, size K / 5.25, 2.9g. 

Estimate £1,200 - £1,600

A RUBY AND DIAMOND DRESS RING in 18ct white gold, set with princess and round brilliant cut diamonds, accented by square step cut rubies, stamped 750, size M / 6.25, 5.8g. 

Estimate £500 - £700

AN EMERALD AND DIAMOND DRESS RING in 18ct white gold, set with an octagonal step cut emerald of approximately 9.60 carats, in a border of round brilliant and princess cut diamonds, stamped 750, size N / 6.75, 11.0g. 

Estimate £2,500 - £3,500

A SAPPHIRE AND DIAMOND HALO RING in 18ct white gold, set with an oval cut sapphire in a border of round brilliant cut diamonds, stamped 18K, size N / 6.75, 3.2g. 

Estimate £400 - £600

A DIAMOND DRESS RING in white gold, the openwork face set with a cluster of old European and round brilliant cut diamonds, in a border of round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, no assay marks, size M1/2 / 6.5, 4.1g. 

Estimate £1,000 - £1,500

A RUBY AND DIAMOND DRESS RING in 18ct white gold, set with an oval cut ruby in a border of calibre cut rubies, accented by round cut diamonds, stamped 750, size M1/2 / 6.5, 3.7g. 

Estimate £800 - £1,200

A FIVE STONE DIAMOND RING in 18ct white gold, set with five round brilliant cut diamonds, the diamonds all totalling 2.56 carats, inscribed 5/2.56, stamped 18K, size K1/2 / 5.5, 5.6g.

Estimate £2,500 - £3,500

AN OPAL AND DIAMOND RING in 18ct yellow gold, set with five graduating round cabochon opals accented by single cut diamonds, partially obscured British hallmarks, size O / 7.25, 6.8g. 

Estimate £400 - £600

AN ANTIQUE GEORGIAN MOURNING RING in yellow gold, the navette face with ornate hairwork and painted to depict a woman holding a bird cage, inscribed to the reverse 'Margaretta Ward Ob. 24 Feb 1783 Er. 34', no assay marks, size N / 6.75, 4.8g. 

Estimate £600 - £800

A THREE STONE DIAMOND RING in 18ct yellow gold and platinum, set with three round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, stamped 18CT PLAT, size M1/2 / 6.5, 2.6g. 

Estimate £800 - £1,200

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 DIAMOND BOMBE RING in rose gold, the stylised bombe face set with an old European cut diamond accented by round cut diamonds, no assay marks, size Q / 8, 10.2g. 

Estimate £800 - £1,200

AN OPAL AND DIAMOND CLUSTER RING in yellow gold, set with an oval cabochon opal in a cluster of single cut diamonds, no assay marks, size N / 6.75. 3.1g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND AND RUBY RING in yellow gold and silver, set with a rose cut diamond, accented on each side by a cushion cut ruby, no assay marks, size N / 6.75, 3.1g. 

Estimate £300 - £500

A RUBY AND DIAMOND DRESS RING in yellow gold, set with round and oval cut rubies accented by old cut diamonds, no assay marks, size N1/2 / 7, 2.7g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND DRESS RING in yellow gold, the navette face set with rows of round cut emeralds and old cut diamonds, no assay marks, size O / 7.25, 3.8g. 

Estimate £800 - £1,200

A FANCY YELLOW DIAMOND DRESS RING in platinum, set with an oval cut yellow diamond of 0.50 carats in a border of round cut diamonds, further round cut diamonds accenting the shoulders, stamped PLAT950, size K1/2 / 5.5, 3.4g. Accompanied by a gemmolog

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal step cut emerald of 2.74 carats in a border of single cut diamonds, inscribed E2.74 0.44, stamped PLAT, size N / 6.75, 7.4g. Accompanied by a gemmological report stating the emerald is of

Estimate £4,000 - £6,000

A YELLOW DIAMOND RING in 18ct yellow gold, set with a princess cut yellow diamond in a border of round brilliant cut diamonds, the band accented by further round brilliant cut diamonds, stamped 18K, size L / 5.75, 2.0g. 

Estimate £300 - £500