ELIZABETH GAGE, A VINE LEAF TEMPLAR BAND RING in 18ct yellow and white gold, the wide band ring with vine leafs in high relief, accented by rope work, full British hallmarks for London 2008, size N1/2 / 7, 14.1g. 

Estimate £1,000 - £1,500

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald of approximately 1.55 carats in a cluster of round brilliant and baguette cut diamonds, the diamonds all totalling 1.2-1.4 carats, stamped 959, size O / 7.25, 7.9g. W

Estimate £2,000 - £3,000

A FINE SOLITAIRE DIAMOND ENGAGEMENT RING set with an emerald cut diamond of approximately 2.02 carats, accented on each side by two baguette cut diamonds, stamped PLAT, size N1/2 / 7, 4.4g. 

Estimate £6,000 - £8,000

AN UNHEATED SPINEL AND DIAMOND CLUSTER RING set with a cushion cut spinel of 2.45 carats in a cluster of round brilliant cut diamonds all totalling 1.77 carats, inscribed 2.45 1.77, stamped 14K, size M / 6.25, 4.4g. Accompanied by a gemmolgical repor

Estimate £2,500 - £3,500

A BLACK OPAL AND DIAMOND RING set with an oval cabochon black opal of 2.58 carats in a cluster of round cut diamonds, inscribed 258 045, stamped PT900, size N / 6.75, 7.9g. 

Estimate £800 - £1,200

HIRSCH, A SOLITAIRE DIAMOND ENGAGEMENT RING AND WEDDING BAND the engagement ring set with an emerald cut diamond of approximately 1.07 carats, together with a wedding band of plain design, signed Hirsch, partial British hallmarks, size L1/2 / 6, 10.0

Estimate £2,000 - £3,000

BULGARI, A DIAMOND FULL ETERNITY RING in 18ct white gold, set all around with a row of round brilliant cut diamonds, the diamonds totalling 2.1-2.3 carats, signed Bulgari, Italian assay marks, stamped 750, size J1/2 / 5, 3.4g. 

Estimate £3,000 - £5,000

A PINK SAPPHIRE AND DIAMOND RING set with a cushion cut pink sapphire of approximately 2.06 carats accented by a row of round brilliant cut diamonds, the diamonds totalling 0.6-0.8 carats, stamped PLAT, size L1/2 / 6, 11.5g. 

Estimate £700 - £900

HARLE PARIS, A MULTICOLOUR SAPPHIRE HALF ETERNITY RING in 18ct white gold set with a row of oval cut orange, green, blue and pink sapphires, inscribed 2.93ct, HP maker's mark, full British hallmarks, size M / 6.25, 2.6g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 2.35 carats in a double border of round brilliant cut diamonds, the foliate shoulders set with further diamonds, no assay marks, size M1/2 / 6.5, 7.8g. 

Estimate £3,000 - £5,000

AN ANTIQUE FIVE STONE DIAMOND RING in 18ct yellow gold, set with five old cut diamonds totalling 1.4-1.6 carats, stamped 750, size N / 6.75, 3.3g. 

Estimate £3,000 - £5,000

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round brilliant cut diamonds of 0.59 carats in a cluster of round cut rubies, the rubies totalling 0.4-0.5 carats, PP maker's mark, full British hallmarks, size M1/2 / 6.5 5.0g. Accompan

Estimate £600 - £800

A RUBY AND DIAMOND THREE STONE RING set with an oval cut ruby accented on each side by a rectangular step cut diamond, inscribed 1.022 D0.65, stamped Pt900, size I / 4.25, 5.2g. 

Estimate £4,000 - £6,000

BULGARI, AN AMETHYST AND DIAMOND DRESS RING in 18ct yellow gold, set with a cabochon amethyst accented by rows of round brilliant cut diamonds, signed Bvglari, Italian assay marks, stamped 750, size J / 4.75, 8.0g. 

Estimate £1,200 - £1,600

PICCHIOTTI, A DIAMOND AND ONYX DRESS RING set with two rows of round brilliant cut diamonds accented by further diamonds, the diamonds totalling 1.8-2.0 carats, accented on each side by polished onyx, signed Picchiotti, Italian assay marks, stamped 7

Estimate £1,500 - £2,500

HARLE PARIS, A MULTICOLOUR SAPPHIRE FULL ETERNITY RING in 18ct white gold, set all around with a row of round cut orange, yellow, green, blue and pink sapphires, inscribed 1.14, HP maker's mark, full British hallmarks, size P1/2 / 8, 2.3g. 

Estimate £500 - £700

A FINE ZAMBIAN EMERALD AND DIAMOND THREE STONE RING set with a cushion cut emerald of 5.52 carats between two round brilliant cut diamonds, the diamonds both totalling 1.0-1.1 carats, no assay marks, size L1/2 / 6, 7.7g. Accompanied by a facsimile ge

Estimate £7,000 - £9,000

NO RESERVE - A POLKI CUT DIAMOND AND ENAMEL RING set with a polki cut diamond within a border of black enamel, no assay marks, size M1/2 / 6.5, 4.6g. 

Estimate £250 - £350

A SOLITAIRE DIAMOND RING set with a cushion cut diamond of 1.51 carats between two tapered baguette cut diamonds, no assay marks, size L / 5.75, 3.5g. Accompanied by a GIA report stating that the diamond is G colour and SI1 clarity. 

Estimate £4,000 - £6,000

AN UNHEATED PINK SAPPHIRE AND DIAMOND RING set with a cushion cut pink sapphire of approximately 2.00 carats in a double halo of single cut diamonds, stamped 18K, size G1/2 / 3.5, 3.3g. Accompanied by a gemmological report stating that the sapphire i

Estimate £1,200 - £1,600

A RETRO FRENCH DIAMOND RING in 18ct yellow gold and platinum, the tapering band set with five old cut diamonds, accented by curved sides, French maker's mark, French assay marks, size M1/2 / 6.5, 9.2g. 

Estimate £1,000 - £1,500

A COLOMBIAN EMERALD AND DIAMOND DRESS RING set with an octagonal step cut emerald of approximately 1.70 carats, the stepped shoulders set with baguette cut diamonds, signed Cortecci, no assay marks, size N1/2 / 7, 6.4g. Accompanied by a facsimile gem

Estimate £6,000 - £8,000

A JADEITE JADE AND DIAMOND DRESS RING set with an oval cabochon jadeite jade of approximately 13.69 carats, the stylised mount set with round brilliant cut diamonds, stamped 14K, size K / 5.25, 10.8g. 

Estimate £3,000 - £5,000

BULGARI, A BLUE TOPAZ B.ZERO1 RING in 18ct white gold, the band set with three rows of round cut blue topaz, with engraved lettering 'BVLGARI' to the sides, signed Bulgari, Italian assay marks, stamped 750, size J / 4.75, 13.5g.

Estimate £800 - £1,200

A YELLOW DIAMOND RING in 18ct white gold, set with a radiant cut yellow diamond of approximately 1.62 carats in a border of round brilliant cut diamonds, the band set with further diamonds, full British hallmarks, size K1/2 / 5.5, 6.3g. 

Estimate £4,000 - £6,000

CARTIER, A DIAMOND PERRUQUE RING the tapering band suspending tassels of gold beads, accented by round brilliant cut diamonds, signed Cartier and numbered, stamped 750, Cartier size 52, size L1/2 / 6, 40.7g. 

Estimate £5,000 - £7,000

CARTIER, A DIAMOND LOVE RING set with eight round brilliant cut diamonds, signed Cartier and numbered, stamped Au750, size M / 6.25, 4.6g. 

Estimate £1,500 - £2,500

AN ANTIQUE EDWARDIAN DIAMOND SNAKE RING, 1906 in 18ct yellow gold, designed as a coiled snake, the head set with a row of old cut diamonds, full British hallmarks for Birmingham 1906, size Z+1 / 13, 10.7g.

Estimate £800 - £1,200

AN ANTIQUE DIAMOND NAVETTE RING in yellow gold, set with a principal old cut diamond of approximately 0.31 carats, accented by further old cut diamonds, the diamonds all totalling 1.4-1.6 carats,  no assay marks, size P1/2 / 8, 4.1g. 

Estimate £1,800 - £2,200

A BOULDER OPAL RING in 9ct yellow gold, set with a fancy-shaped boulder opal, partial British hallmarks, size N1/2 / 7, 4.7g. 

Estimate £400 - £600

A BLACK OPAL, TSAVORITE GARNET, SAPPHIRE AND DIAMOND RING set with a faceted black opal within a border of baguette cut tsavorite garnets and round cut sapphires, the band accented with round brilliant cut diamonds, stamped 750, size M / 6, 4.1g. 

Estimate £700 - £900

AN INDIAN DIAMOND AND ENAMEL RING set with a flat cut diamond in a border of blue and white enamel, accented by further rose cut diamonds, no assay marks, size M1/2 / 6.5, 5.8g. 

Estimate £200 - £300

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 1.02 carats, full British hallmarks, size P / 7.75, 3.7g. 

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 0.43 carats, accented by baguette and round brilliant cut diamonds, inscribed 0.43 0.70, stamped K18, size N / 6.75, 5.6g. 

Estimate £1,000 - £1,500

A DIAMOND ENGAGEMENT RING in platinum, set with a radiant cut diamond of approximately 0.85 carats in a double halo of round brilliant cut diamonds, the bifurcated band set with further diamonds, partial British hallmarks, size L / 5.75, 5.4g. 

Estimate £2,500 - £3,500

TIFFANY & CO., A TANZANITE AND DIAMOND SOLESTE RING set with a cushion cut tanzanite of approximately 2.03 carats within a double border of round brilliant cut diamonds, the shoulders set with further diamonds, signed Tiffany & Co., stamped Pt950, si

Estimate £3,000 - £5,000

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an octagonal step cut sapphire of approximately 2.05 carats in a cluster of round brilliant cut diamonds, full British hallmarks, stamped 750, size N1/2 / 7, 4.2g. 

Estimate £2,000 - £3,000

A DIAMOND DRESS RING in 18ct white gold, the stylised ring set with princess cut diamonds and accented by pave set round brilliant cut diamonds, the diamonds all totalling 4.5-5.0 carats, AD maker's mark, full British hallmarks, size O1/2 / 7.5, 13.0

Estimate £3,000 - £5,000

A FRENCH BURMA NO HEAT RUBY AND DIAMOND RING in 18ct yellow gold, set with a cushion cut ruby of approximately 1.80 carats in a cluster of old cut diamonds, French assay marks, size N / 6.75, 12.5g. Accompanied by a gemmological report stating that t

Estimate £5,000 - £7,000

A YELLOW DIAMOND FLOWER RING in 18ct white and yellow gold, set with a cluster of marquise cut diamonds, inscribed D0.49, full British hallmarks, size M1/2 / 6.5, 2.9g. 

Estimate £800 - £1,200

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING set with a round cut sapphire of approximately 1.10 carats in a cluster of old cut diamonds, the diamonds all totalling 0.8-1.0 carat, no assay marks, size N / 6.75, 4.4g. With a gemmological verbal

Estimate £1,500 - £2,500

AN AMETHYST AND DIAMOND RING in 18ct yellow gold, the hexagonal ring set with a round cabochon amethyst in a border of baguette cut diamonds, full British hallmarks, size O / 7.25, 21.9g. 

Estimate £2,000 - £3,000

A SPINEL AND DIAMOND HALO RING in 18ct white gold, set with a round cut spinel of 0.50 carats in a halo of round brilliant cut diamonds, the band set with further diamonds, inscribed SP0.50 D0.29, full British hallmarks, size M / 6.25, 2.6g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND DRESS RING set with an octagonal step cut emerald of approximately 3.10 carats in a border of baguette and round brilliant cut diamonds, the triangular shoulders set with further round brilliant cut diamonds, stamped 750, size

Estimate £2,500 - £3,500

A RUBY AND DIAMOND THREE STONE RING set with an oval cut ruby of approximately 1.16 carats, accented on each side by an old European cut diamond of approximately 0.46 carats and 0.53 carats respectively, inscribed 'F.N.M 7-18 I.P', size O / 7.25, 3.0

Estimate £7,000 - £9,000

MAUBOUSSIN, A DIAMOND CROSSOVER RING the stylised crossover ring set with round brilliant cut diamonds, signed Mauboussin Paris and numbered, no assay marks, size L1/2 / 6, 6.2g. 

Estimate £1,500 - £2,500

A LAPIS LAZULI DRESS RING in 9ct yellow gold, set with a triangular cabochon lapis lazuli, partial British hallmarks, size Q / 8.25, 11.8g. 

Estimate £500 - £700

BULGARI, A DIAMOND BULGARI BULGARI BAND RING in 18ct white gold, the band ring engraved BVLGARI BVLGARI, accented by a round brilliant cut diamond, signed Bvlgari, Italian assay marks, size K1/2 / 5.5, 6.4g. 

Estimate £400 - £600

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut sapphire of approximately 5.17 carats in a cluster of tapered baguette cut diamonds, the gallery and band set with further diamonds, the diamonds all totall

Estimate £7,000 - £9,000

A CITRINE AND DIAMOND DRESS RING set with a faceted citrine in a border of round brilliant cut diamonds, further diamonds set to the shoulders, stamped 18K, size K / 5.25, 8.6g. 

Estimate £300 - £500

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with a pear cut emerald of approximately 0.61 carats in a cluster of round brilliant cut diamonds, further diamonds set to the shoulders, the diamonds totalling 0.4-0.5 carats, full British hallmar

Estimate £1,800 - £2,200

A DIAMOND DRESS RING in 9ct yellow and white gold, the openwork ring set with round brilliant cut diamonds, partial British hallmarks, size O1/2 / 7.5, 5.9g. 

Estimate £600 - £800

A LARGE BAROQUE PEARL AND DIAMOND DRESS RING in 18ct yellow gold, set with a baroque pearl of 29.0mm accented by ropework, the shoulders set with round brilliant cut diamonds, the bifurcated band in ropework design, inscribed d0.066ct, partial Britis

Estimate £800 - £1,200

AN AQUAMARINE AND DIAMOND THREE STONE RING set with three oval cut aquamarines, accented by single cut diamonds, no assay marks, size M / 6.25, 3.8g. 

Estimate £600 - £800

A DIAMOND THREE STONE RING AND A SAPPHIRE AND DIAMOND RING one ring set with three old cut diamonds, partially obscured British hallmarks for 18 carat gold, size L / 5.75, 2.5g, together with a ring set with three cushion cut sapphires and pairs of r

Estimate £400 - £600

A CITRINE AND DIAMOND DRESS RING set with an octagonal step cut citrine of 2.79 carats, accented by round cut diamonds, stamped 14K, size N / 6.75, 3.7g.

Estimate £400 - £600

A SPINEL AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut spinel of 1.01 carats in a cluster of round brilliant cut diamonds, inscribed S 1.01 D 0.26, full British hallmarks, size L1/2 / 6, 3.6g.

Estimate £1,000 - £1,500

A PERIDOT AND DIAMOND BOMBE RING the bombe face set with trillion cut peridots totalling 22.0-22.0 carats, the shoulders set with rose cut diamonds, band stamped 585, size N / 6.75, 11.3g. 

Estimate £300 - £500

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut yellow sapphire of approximately 2.51 carats in a cluster of round brilliant cut diamonds, the shoulders set with a further diamond, the diamonds all totalling 1.1-1.2 carats, stamped PL

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND RING in platinum, set with an oval cut emerald of approximately 1.59 carats in a cluster of round brilliant cut diamonds, the diamonds totalling 0.9-1.0 carat, partial British hallmarks, stamped PT950, size L / 5.75, 7.2g.

Estimate £3,000 - £5,000

A RUBY RING set with a cushion cut ruby of approximately 1.36 carats, stamped 750, size K / 5.25, 2.0g. 

Estimate £400 - £600

A THREE STONE DIAMOND RING set with a mixed cut diamond of approximately 1.35 carats, accented on each side by a trillion cut diamond, the diamonds all totalling 2.2-2.4 carats, no assay marks, size J / 4.74, 5.2g. 

Estimate £2,500 - £3,500

A TURQUOISE AND DIAMOND CLUSTER RING set with a round cabochon turquoise in a double border of round cut diamonds, stamped 14K, size M1/2 / 6.5, 3.5g.

Estimate £700 - £900

A SAPPHIRE AND DIAMOND SNAKE RING designed as a coiled snake, the head set with a pear cut sapphire of approximately 1.42 carats, accented by round cut diamonds totalling 1.6-1.8 carats, band stamped 18K, size N / 6.75, 9.9g. 

Estimate £500 - £700

AN INDIAN DIAMOND AND ENAMEL RING set with a flat cut diamond in a border of red and white enamel, accented by further rose cut diamonds, no assay marks, size M / 6.25, 5.8g. 

Estimate £200 - £300

A RUBY AND DIAMOND CLUSTER RING in platinum, set with an oval cut ruby of approximately 1.56 carats in a cluster of round brilliant cut diamonds, further diamonds set to the shoulders, the diamonds totalling 0.7-0.8 carats, partial British hallmarks,

Estimate £1,800 - £2,200

A BAROQUE PEARL AND DIAMOND RING set with a baroque pearl of 22.0mm, accented by round cut diamonds, the diamonds totalling 3.5-4.0 carats, stamped 925, size M1/2 / 6.5, 13.4g. 

Estimate £500 - £700

A DIAMOND DRESS RING in 18ct yellow gold, set with a cluster of round brilliant cut diamonds, partial British hallmarks, size O / 7.25, 3.3g. 

Estimate £600 - £800

A RUBY AND DIAMOND HEART RING set with round cut rubies and diamonds, stamped K18, size L1/2 / 6, 6.8g. 

Estimate £500 - £700

A PINK SAPPHIRE AND DIAMOND RING set with a cushion cut pink sapphire of approximately 3.90 carats between pairs of baguette cut diamonds, the diamonds totalling 0.6-0.7 carats, stamped 18K 750, size M / 6.25, 4.0g. 

Estimate £4,000 - £6,000

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 0.80 carats, accented on each side by a tapered baguette cut diamond, stamped 950, size H / 3.75, 3.1g. 

Estimate £3,000 - £5,000

A RUBY FULL ETERNITY RING set all around with a row of square step cut rubies, no assay marks, size L / 5.75, 2.1g. 

Estimate £600 - £800

A DIAMOND LEAF RING designed as a stylised leaf pave set with single cut diamonds, the diamonds totalling 3.2-3.5 carats, stamped SIL 18K, size Q1/2 / 8.5, 9.9g. 

Estimate £400 - £600

A PINK TOURMALINE RING in 9ct yellow gold, set with a cushion cut pink tourmaline of approximately 2.90 carats, partial British hallmarks, size N1/2 / 7, 4.2g.

Estimate £400 - £600

AN AMETHYST AND DIAMOND RING set with an octagonal step cut amethyst of approximately 2.10 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size N1/2 / 7, 4.2g. 

Estimate £600 - £800

AN ANTIQUE PEARL AND ENAMEL MOURNING RING in yellow gold, comprising a glass locket panel in a border of seed pearls and black and white enamel, indistinct inscription to the reverse, no assay marks, size Q / 8.25, 4.5g. 

Estimate £250 - £350

A SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of approximately 1.70 carats in a cluster of old cut diamonds, the shoulders set with further diamonds, the diamonds all totalling 1.2-1.4 carats, no assay marks, size N / 6.75, 4.8g

Estimate £2,000 - £3,000

THREE DIAMOND RINGS comprising a diamond cluster ring, full British hallmarks for 18ct gold, size O1/2 / 7.5, 2.4g, a diamond dress ring, partial British hallmarks for 18ct gold, size J / 4.75, 2.9g, together with a solitaire diamond ring, stamped 18

Estimate £600 - £800

A SPINEL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut spinel of 0.65 carats in a cluster of round brilliant cut diamonds, the band set with further diamonds, inscribed S0.65 D0.37, full British hallmarks, size M / 6.25, 2.5g.

Estimate £800 - £1,200

A GREEN TOURMALINE DRESS RING in 9ct yellow gold, set with a triangular cabochon green tourmaline of approximately 8.70 carats, partial British hallmarks, size M / 6.25, 6.1g. 

Estimate £500 - £700

A DIAMOND HALO RING in 18ct white gold, set with a round brilliant cut diamond in a halo of round brilliant cut diamonds, the band set with further diamonds, inscribed 0.51, partial British hallmarks, size V / 10.5, 4.1g. 

Estimate £300 - £500

A PINK SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a pear cut pink sapphire of approximately 1.11 carats within a double cluster of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, the diamonds tota

Estimate £2,000 - £3,000