AN ANTIQUE AMETHYST AND DIAMOND RING in rose gold and silver, set with a foiled cabochon cut amethyst in a border of old cut diamonds, no assay marks, size M1/2 / 6.75, 7.3g.

Estimate £300 - £500

AN ANTIQUE RUBY SNAKE RING in 14ct yellow gold, designed as two coiled snakes, each head set with a round cut ruby, no assay marks, size N1/2 / 7, 2.1g.

Estimate £400 - £600

A TURQUOISE AND DIAMOND DRESS RING in 18ct yellow gold, the domed body set with a cabochon cut turquoise accented by pave set single and round brilliant cut diamonds, stamped 750, partial British hallmarks, size N1/2 / 7, 8.6g. 

Estimate £1,200 - £1,600

NO RESERVE - A PAIR OF AQUAMARINE AND DIAMOND EARRINGS in 14ct white gold, each set with an octagonal step cut aquamarine accented by a cluster of round brilliant cut diamonds, stamped 14K, 1.4cm, 4.2g. 

Estimate £200 - £300

A DIAMOND BAND RING in 18ct white gold, the stylised band set with a round brilliant cut diamond, stamped 750 ORO GRIEGO, size L1/2 / 6, 7.8g.

Estimate £300 - £500

AN ENAMEL AND DIAMOND PANSY RING in 18ct yellow gold, set with a round brilliant cut diamond in a border of white and blue enamelled petals, no assay marks, size L1/2 / 6, 4.4g. 

Estimate £500 - £700

A VINTAGE DIAMOND AND SYNTHETIC RUBY DRESS RING in 18ct yellow gold, the modernist face set with round brilliant cut diamonds accented by rectangular step cut synthetic rubies, full British hallmarks for London 1971, size P / 7.75, 6.2g.

Estimate £300 - £500

A PINK TOPAZ AND DIAMOND RING in platinum, set with a pear cut pink topaz of 7.11 carats within a border of single cut diamonds, with scrolling decoration to the openwork gallery, E & S maker's mark, stamped Platinum, size O / 7.25, 6.5g.

Estimate £5,000 - £7,000

A PERIDOT AND DIAMOND RING in platinum, set with an octagonal step cut peridot of approximately 2.33 carats, the stepped shoulders accented by round brilliant cut diamonds, stamped PLAT, size N / 6.75, 4.2g. 

Estimate £600 - £800

A COGNAC DIAMOND DRESS RING in 18ct yellow gold, the curved band set with round brilliant cut cognac diamonds, stamped 750 ORO GRIEGO, size L / 5.75, 5.8g.

Estimate £300 - £500

NO RESERVE - A DIAMOND THREE STONE in 18ct yellow and white gold, set with three round brilliant cut diamonds all totalling 1.0-1.2 carats, stamped 18ct, size O / 7.25, 3.2g. 

Estimate £500 - £700

A RUBY AND DIAMOND DRESS RING in 18ct white and yellow gold, set with a row of French cut rubies flanked by triangular motifs set with single cut diamonds, stamped 18ct, size N / 6.75, 1.8g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND THREE STONE RING in 18ct white gold, set with three old cut diamonds accented by rose cut diamonds, the diamonds all totalling 2.8-3.0 carats, size M / 6.25, 5.2g. 

Estimate £3,500 - £4,500

A DIAMOND GYPSY RING in 18ct yellow gold, set with three round brilliant cut diamonds all approximately totalling 1.20 carats in star motifs, full British hallmarks, size R1/2 / 9, 8.5g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND CLUSTER TOI ET MOI RING in 18ct yellow gold, set with two clusters of old cut diamonds, the band set with further old cut diamonds, stamped 18, size P1/2 / 8, 4.4g. 

Estimate £500 - £700

A DIAMOND DRESS RING in 18ct yellow and white gold, the braided bicolour band set with single cut diamonds, no assay marks, size L1/2 / 6, 5.0g.

Estimate £800 - £1,200

A DEMANTOID GARNET AND DIAMOND THREE STONE RING in platinum and 18ct yellow gold, set with a cushion cut demantoid garnet of approximately 1.85 carats accented on each side by an old European cut diamond, the diamonds totalling 0.7-0.8 carats, stampe

Estimate £5,000 - £7,000

AN OPAL AND ORANGE SAPPHIRE RING in 18ct yellow gold, set with an oval cabochon cut opal accented on each side by a pear cut orange sapphire, stamped Au750, size N / 6.75, 4.2g. 

Estimate £600 - £800

A VINTAGE CITRINE AND DIAMOND CLUSTER RING in yellow gold, set with a round cabochon cut citrine in a cluster of rose cut diamonds, no assay marks, size L1/2 / 6, 8.0g.

Estimate £1,500 - £2,500

AN ANTIQUE VICTORIAN PEARL AND DIAMOND RING in 15ct yellow gold, comprising two heart motifs set with an old cut diamond, accented by a row of seed pearls, full British hallmarks for Birmingham 1893, size K1/2 / 5.5, 1.8g. 

Estimate £400 - £600

A PINK SAPPHIRE AND DIAMOND DRESS RING in yellow gold, set with a cushion cut pink sapphire, the stylised band accented by round brilliant cut diamonds and beaded and twisted ropework, no assay marks, size L / 5.75, 12.0g. 

Estimate £1,000 - £1,500

AN ANTIQUE RUBY AND DIAMOND RING in 18ct yellow gold, set with cushion and round cut rubies accented by old cut cut diamonds, partially obscured British hallmarks, size P1/2 / 8, 2.5g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND TIARA RING in 18ct yellow and white gold, set with a pear cut sapphire of approximately 2.10 carats accented by round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 5.5g. 

Estimate £1,200 - £1,800

A DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of old cut diamonds all totalling 4.0-5.0 carats, no assay marks, size P / 7.75, 14.5g.

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with a cushion cut purple sapphire of 3.01 carats accented on each side by a pear cut diamond of 0.50 and 0.52 carats respectively, stamped 950, size L / 5.75, 6.2g. Accompanied by two GIA repo

Estimate £2,500 - £3,500

A DIAMOND SWIVEL RING in 18ct rose gold, with an articulated oval plaque pave set with round brilliant cut diamonds, within two oval borders pave set with further round brilliant cut diamonds, the diamonds all totalling 4.5-5.0 carats, stamped 750, s

Estimate £5,000 - £7,000

AN ALEXANDRITE AND DIAMOND CLUSTER RING in platinum, set with an oval cut alexandrite of 0.67 carats in a cluster of round brilliant and baguette cut diamonds, the diamonds all totalling 0.97 carats, inscribed 0.67 D0.97, stamped Pt900, size R / 8.75

Estimate £2,500 - £3,500

A GARNET AND OPAL ETERNITY RING in 14ct yellow gold, set with a row of alternating round cabochon cut garnets and opals, no assay marks, size O / 7.25, 1.1g.

Estimate £120 - £180

A PIGEON'S BLOOD BURMA NO HEAT RUBY AND DIAMOND RING in 18ct white and yellow gold, set with a cushion cut ruby of 0.81 carats accented by a row of baguette and round brilliant cut diamonds, stamped 18K, size N / 6.75, 2.5g. Accompanied by a gemmolog

Estimate £2,500 - £3,500

A DIAMOND WAVE RING in 18ct white gold, of wave design comprising a graduated row of round brilliant cut diamonds, stamped 750 ORO GRIEGO, size L1/2 / 6, 6.3g.

Estimate £300 - £500

A DIAMOND DRESS RING in 18ct white gold, the square bezel set with a cluster of round brilliant cut diamonds on a tapering band, stamped 750, size N1/2 / 7, 5.6g.

Estimate £300 - £500

AN ANTIQUE DIAMOND GYPSY RING in 18ct yellow gold, set with an old cut diamond in a star motif, full British hallmarks for Birmingham 1910, size P1/2 / 8, 3.2g. 

Estimate £300 - £500

AN OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cabochon cut opal in a cluster of round brilliant cut diamonds, stamped 18CT, size N / 6.75, 2.4g. 

Estimate £600 - £800

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with rectangular cushion and oval cut sapphires in a border of old cut diamonds, palmette motifs carved on the shoulders, full British hallmarks for Birmingham 1902, size M / 6.5, 3.1g. 

Estimate £600 - £800

AN ANTIQUE VICTORIAN PEARL AND RUBY RING in 15ct yellow gold, set with seed pearls and round cut rubies, full British hallmarks for Chester 1886, size P1/2 / 8, 2.7g.

Estimate £600 - £800

AN ANTIQUE DIAMOND RING in 18ct yellow gold, set with an old cut diamond of approximately 0.30 carats, further diamonds on the shoulders, no assay marks, size M1/2 / 6.5, 1.6g.

Estimate £800 - £1,200

A TOPAZ DRESS RING in yellow gold, set with a rectangular step cut yellow topaz, accented on each side by rectangular step cut pink and orange topaz, no assay marks, size N1/2 / 7, 4.4g. 

Estimate £800 - £1,200

AN ONYX RING / PENDANT in 18ct yellow gold, in hexagonal design set on both sides with polished onyx, stamped 18K, 2.3cm, size K1/2 / 5.5, 4.0g.

Estimate £500 - £700

A VINTAGE CITRINE COCKTAIL RING in 18ct yellow gold, set with a rectangular cushion fancy cut citrine of approximately 45.19 carats, stamped 18K, O / 7.25, 22.0g.

Estimate £1,000 - £1,500

A YELLOW SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow and white gold, the wide band set with a fancy mixed cut yellow sapphire accented by round brilliant cut diamonds, stamped 18CT, size O1/2 / 7.5, 13.7g. 

Estimate £1,000 - £1,500

A PINK SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an oval cut pink sapphire of approximately 1.13 carats flanked by baguette cut diamonds, in a border of round brilliant cut diamonds, stamped PLAT, size O / 7.25, 5.3g. 

Estimate £1,000 - £1,500

A TURQUOISE AND DIAMOND CLUSTER RING in 18ct white and yellow gold, set with an oval cabochon cut turquoise in a cluster of single cut diamonds with scalloped edges, no assay marks, size N1/2 / 7, 3.7g. 

Estimate £1,200 - £1,600

A CITRINE COCKTAIL RING in 18ct yellow gold, set with a rectangular step cut citrine of approximately 22.66 carats, stamped 18CT, size R / 8.75, 13.8g. 

Estimate £600 - £800

A VINTAGE GOLD RING in 9ct yellow gold, the open band terminating on each end with a sphere, full British hallmarks for London 1994, size O1/2 / 7.5, 3.6g. 

Estimate £150 - £250

A PERIDOT AND DIAMOND DRESS RING in 18ct white and yellow gold, set with a round fancy cut peridot of 8.29 carats, accented by round brilliant cut diamonds and twisted rope work, stamped 750, size O1/2 / 7.5, 8.45g. 

Estimate £300 - £500

AN AQUAMARINE AND DIAMOND DRESS RING in platinum, set with a marquise cut aquamarine of 4.69 carats, within a border of round cut diamonds, with further round cut diamonds set to the openwork gallery, no assay marks, size O / 7, 7.2g.

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an octagonal step cut emerald of 5.05 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.18 carats, inscribed 5.05 1.18, full British hallmarks, size M1/

Estimate £10,000 - £15,000

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an octagonal step cut sapphire of 2.25 carats accented on each side by a baguette cut diamond, inscribed 2.25, full British hallmarks, size M / 6.25, 6.7g. 

Estimate £7,000 - £9,000

A DIAMOND RING in 18ct yellow gold, the kite shaped face set with old cut diamonds, stamped 18CT, size M / 6.25, 4.9g. 

Estimate £800 - £1,200

AN EMERALD AND DIAMOND LOCKET RING in 14ct yellow gold, set with an octagonal step cut emerald in a border of round brilliant cut diamonds, opening to reveal a locket compartment, stamped 14K, size L / 5.75, 8.9g. 

Estimate £1,500 - £2,500

A PERIDOT, DIAMOND AND ENAMEL DRESS RING in 14ct yellow gold, set with three octagonal step cut peridots in a border of round brilliant cut diamonds and black enamel, stamped 14K, size L1/2 / 6, 11.2g.

Estimate £1,500 - £2,500

A YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal step cut yellow sapphire of approximately 1.89 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size N / 6.75, 5.4g. 

Estimate £1,200 - £1,600

A PEARL AND YELLOW DIAMOND CLUSTER RING in 18ct yellow gold, set with a golden pearl of 12.8mm in a cluster of round brilliant cut yellow diamonds all totalling 1.4-1.6 carats, on a trifurcated band, stamped 18K, R1/2 / 9, 12.1g. 

Estimate £1,500 - £2,500

A RAINBOW MOONSTONE DRESS RING in 14ct yellow gold, set with a row of round cabochon rainbow moonstones (labradorite), stamped 14K, size M / 6.25, 1.2g. 

Estimate £150 - £250

A THREE STONE DIAMOND RING in platinum, set with a round brilliant cut diamond accented on each side by a pear cut diamond, the diamonds all totalling 1.39 carats, inscribed 1.39, full British hallmarks, size M / 6.25, 5.1g. 

Estimate £3,000 - £5,000

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with an octagonal step cut emerald of 4.12 carats, in a cluster of marquise and round brilliant cut diamonds all totalling 0.67 carats, stamped Pt900, size L / 5.75, 9.7g.

Estimate £2,000 - £3,000

AN AQUAMARINE AND DIAMOND DRESS RING in platinum, set with a cushion cut aquamarine of 26.81 carats in a border of round brilliant cut diamonds, the bifurcated band set with further round brilliant cut diamonds, the diamonds all totalling 1.0-1.2 car

Estimate £6,000 - £8,000

A PIGEON'S BLOOD BURMA NO HEAT RUBY AND DIAMOND RING in 18ct white and yellow gold, set with a cushion cut ruby of 0.73 carats, the band set with a row of round brilliant cut diamonds, stamped 18K, size M1/2 / 6.5, 2.0g. Accompanied by a gemmological

Estimate £2,500 - £3,500

A PERIDOT AND DIAMOND CLUSTER RING in platinum, set with an oval cut peridot of approximately 1.53 carats in a cluster of round brilliant cut diamonds, no assay marks, stamped PLAT, size N / 6.75, 5.2g.

Estimate £800 - £1,200

AN ART DECO DIAMOND RING, CIRCA 1920 in platinum, set with an old European cut diamond of approximately 1.10 carats in a fine pierced mount set with single cut diamonds, no assay marks, size J1/2 / 5, 3.1g. 

Estimate £2,000 - £3,000

A BLACK OPAL DRESS RING in 18ct white gold, set with an oval cabochon black opal on a wide band with engraved detailing, full British hallmarks for London 2006, size Q / 8.25, 13.3g. 

Estimate £800 - £1,200

AN OPAL AND RUBY RING in 18ct yellow gold, set with a round cabochon opal in a cluster of cushion cut rubies, inscribed 2.06ct 1.62ct, stamped Au750, size N / 6.75, 4.6g. 

Estimate £800 - £1,200

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a cushion cut yellow sapphire of approximately 1.31 carats in a cluster of round brilliant cut diamonds, stamped PLAT, size N / 6.75, 4.8g. 

Estimate £800 - £1,200

A DIAMOND AND ENAMEL CLUSTER BOMBE RING in 18ct yellow gold, the domed body set with an old European cut diamond of approximately 0.52 carats in a cluster of single cut diamonds, decorated with turquoise enamel, stamped 750, size G / 3.5, 5.9g.

Estimate £1,000 - £1,500

A DIAMOND BAND RING in 18ct white gold, the band pave set with round brilliant cut diamonds, stamped ORO GRIEGO 750, size M / 6, 4.9g.

Estimate £300 - £500

AN ONYX AND DIAMOND RING in 18ct white gold, set with an oval plaque of onyx in a cluster of round brilliant cut diamonds, stamped 750 18k, size M1/2 / 6.5, 6.0g.

Estimate £600 - £800

AN ANTIQUE ENAMEL RING in 18ct yellow gold, engraved with floral motifs accented by black enamel, no assay marks, size N1/2 / 7, 1.8g.  

Estimate £250 - £350

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING in 9ct yellow gold, set with an oval cut sapphire in a cluster of old cut diamonds, no assay marks, size O1/2 / 7.5, 2.1g. 

Estimate £600 - £800

A DIAMOND TOI ET MOI RING in 18ct yellow and white gold, set with two round brilliant cut diamonds, the scrolling band set with single cut diamonds, stamped 18CT, size M / 6.25, 2.2g.

Estimate £500 - £700

A DIAMOND DRESS RING in 18ct yellow and white gold, set with round brilliant, old and rose cut diamonds in a undulated design, no assay marks, size K1/2 / 5.5, 2.9g. 

Estimate £800 - £1,200

AN ANTIQUE DIAMOND SOLITAIRE RING in yellow gold, set with a rose cut diamond of approximately 1.25 carats, no assay marks, size O / 7.25, 6.9g.

Estimate £2,000 - £3,000

A RUBY AND DIAMOND DRESS RING in platinum, set with an oval cut ruby of 1.16 carats in a border of calibre cut rubies and single cut diamonds, the shoulders set with further single cut diamonds, inscribed R1.16 0.2 0.4, stamped PLAT, size M1/2 / 6.5,

Estimate £1,200 - £1,800

A YELLOW DIAMOND DRESS RING in 18ct yellow gold, set with a radiant cut diamond of 4.04 carats accented by round brilliant cut diamonds, the band set with further round brilliant cut diamonds, the diamonds all totalling 4.53 carats, inscribed C - 4.0

Estimate £15,000 - £20,000

AN AMETHYST AND DIAMOND DRESS RING in 18ct white gold, set with a cabochon amethyst within a border of round brilliant cut diamonds, the shoulders with purple enamel, stamped 750, size O / 7.25, 21.4g.

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an octagonal step cut sapphire of approximately 1.19 carats, flanked by round old cut diamonds both approximately totalling 0.92 carats, size N / 6.75, 5.4g. 

Estimate £1,500 - £2,500

BOUCHERON, A 'LE QUATRE' DIAMOND RING in 18ct yellow gold, set with a row of round brilliant cut diamonds, inscribed 'Christian 8th June 2008', signed Boucheron and numbered, stamped OR 750, size K / 5.25, 10.0g. Accompanied by a fitted Boucheron box

Estimate £2,500 - £3,500

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with an octagonal step cut aquamarine of approximately 0.71 carats in an hexagonal cluster set with brilliant cut diamonds, stamped PLAT, size N / 6.75, 3.8g. 

Estimate £800 - £1,200

A RUBY DRESS RING in 18ct yellow gold, set with an oval cut ruby of approximately 1.75 carats to a bifurcated band, full British hallmarks, size M / 6.25, 5.3g.

Estimate £2,000 - £3,000

A STAR SAPPHIRE, SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cabochon star sapphire of 20.20 carats in a cluster of round brilliant cut diamonds, accented by round cut sapphires all totalling 4.10 carats, stamped Au 750, siz

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND THREE STONE RING in platinum, set with an octagonal step cut emerald of approximately 1.33 carats, accented on each side by an emerald cut diamond, full British hallmarks, size M1/2 / 6.5, 5.5g. 

Estimate £2,000 - £3,000

A THREE STONE DIAMOND RING in platinum, set with three round brilliant cut diamonds, the diamonds all totalling 1.7-1.8 carats, full British hallmarks, size L1/2 / 6, 6.5g. 

Estimate £3,000 - £5,000

A DIAMOND RING in 14ct yellow gold, set with a round brilliant cut diamond of approximately 0.34 carats, further diamonds on the shoulders, partial British hallmarks, stamped 585, size L1/2 / 6, 1.9g.

Estimate £800 - £1,200

A ORANGE CAT'S EYE MOONSTONE AND DIAMOND DRESS RING in titanium, set with an oval cabochon orange cat's eye moonstone of 71.85 carats in a border of round brilliant cut diamonds, a star motif beneath the mount and band set with further round brillian

Estimate £18,000 - £22,000

A DIAMOND GYPSY RING in 18ct white gold, set with a round brilliant cut diamond, stamped 750, size T1/2 / 9.75, 10.6g.

Estimate £500 - £700

A VINTAGE RUBY AND DIAMOND RING, 1950s in platinum, of circular bombe design, set with circular cut rubies totalling 1.8-2.2 carats and round cut diamonds totalling 1.2-1.5 carats, to a plain shank, no assay marks, size L / 5.75, 7.4g.

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND DRESS RING in platinum, set with an octagonal step cut emerald of 8.02 carats, the shoulders accented by rows of baguette and round brilliant cut diamonds, inscribed E8.02 d0.517ct, stamped Pt950, size N / 6.75, 9.1g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND TIARA RING in yellow gold and silver, set with an old European cut diamond of approximately 0.80 carats accented by old and rose cut diamonds, the centre set with a cushion cut synthetic ruby, marked indistinctly, size J1/2 / 5, 4.

Estimate £3,000 - £5,000

AN AQUAMARINE AND DIAMOND RING in platinum, set with an octagonal step cut aquamarine of approximately 1.18 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, M1/2 / 6.5, 4.0g. 

Estimate £600 - £800

A RUBY AND DIAMOND THREE STONE RING in platinum, set with a cushion cut ruby of 1.05 carats accented on each side by a trapezoid cut diamond, the diamonds totalling 0.33 carats, inscribed C - 1.05ct S - 0.33ct, full British hallmarks, size K1/2 / 5.5

Estimate £2,000 - £3,000

A SAPPHIRE AND AQUAMARINE THREE STONE RING in 18ct white gold, set with an oval cut sapphire of 3.08 carats, flanked by rectangular step cut aquamarines all totalling 1.16 carats, in a cluster of round brilliant cut diamonds all totalling 0.25 carats

Estimate £1,000 - £1,500

A DIAMOND CROSSOVER RING in 18ct white gold, the scrolling band set with a round brilliant cut diamond, stamped 750, size M1/2 / 6.5, 4.9g.

Estimate £400 - £600

A DIAMOND SOLITAIRE RING in platinum, set with a round brilliant cut diamond of approximately 1.00 carat, accented on each side by a leaf motif, stamped PLAT, size L / 6, 4.2g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND BALLERINA RING in 14ct gold, set with an octagonal step cut emerald of approximately 3.52 carats in a cluster of tapered baguette cut diamonds, the diamonds totalling 1.8-2.0 carats, stamped 14K, size O / 7.25, 12.1g. 

Estimate £3,000 - £4,000

A PORTUGUESE ENAMEL AND DIAMOND RING in 18ct gold and silver, the oval face comprising a foliate motif set with rose and old cut diamonds over a ground of blue guilloche enamel, within a border of rose cut diamonds, Portuguese assay marks for Porto u

Estimate £2,500 - £3,500

A JADEITE JADE AND DIAMOND CLUSTER RING in 14ct white gold, set with an oval cabochon jadeite jade in a cluster of round brilliant cut diamonds, stamped 585, size K1/2 / 5.5, 6.3g. 

Estimate £2,000 - £3,000

A DIAMOND HALF ETERNITY RING in 18ct white gold, comprising a row of round brilliant cut diamonds, stamped 750 ORO GRIEGO, size N / 6.75, 4.2g.

Estimate £350 - £550

A DIAMOND AND RUBY DRESS RING in 18ct white gold, set with three old cut diamonds in a border of French cut rubies and old cut diamonds, stamped 18ct, size O / 7.25, 3.4g. 

Estimate £1,500 - £2,500

AN UNHEATED RUBY AND DIAMOND TARGET RING in platinum, set with an oval cut ruby of 1.06 carats, in concentric borders of single cut diamonds and calibre cut rubies, the shoulders set with further rubies and diamonds, stamped 850 PLAT, size M1/2 / 6.5

Estimate £1,200 - £1,800

AN EMERALD AND DIAMOND CLUSTER RING in white and yellow gold, set with an octagonal step cut emerald of approximately 0.88 carats in a cluster of round brilliant cut diamonds, no assay marks, size N1/2 / 7, 3.8g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with an octagonal step cut emerald in a double border of round brilliant cut diamonds, inscribed E1.42ct d0.16ct, stamped Au750, size N / 6.75, 3.6g. 

Estimate £1,000 - £1,500

A DIAMOND AND PEARL DRESS RING set with a row of single cut diamonds, accented by rows of pearls, one deficient, no assay marks, size O1/2 / 7.5, 5.8g. 

Estimate £200 - £300

A LAPIS LAZULI RING / PENDANT in 18ct yellow gold, in hexagonal design set on both sides with polished lapis lazuli, stamped 18K, size K1/2 / 5.5, 3.8g.

Estimate £400 - £600

A DIAMOND BAND RING in platinum, the openwork band set all around with round brilliant cut diamonds, no assay marks, size N / 6.75, 6.2g. 

Estimate £300 - £500

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with a round cut ruby of 0.36 carats in a cluster of round brilliant cut diamonds, signed Luke Stockley London, full British hallmarks, size L / 5.75, 2.6g. 

Estimate £1,000 - £1,500

AN ART DECO DIAMOND RING in platinum, set with an old European cut diamond of approximately 1.64 carats accented by old cut diamonds, stamped PLATINUM, size L1/2 / 6, 6.3g. 

Estimate £2,500 - £3,500

A DIAMOND BAND RING in 18ct white gold, the engraved band set with a round brilliant cut diamond, stamped 750, size P / 7.75, 8.8g.

Estimate £300 - £500