AN ANTIQUE TURQUOISE AND DIAMOND NAVETTE RING in yellow gold, the navette face set with three old cut diamonds in a border of cabochon turquoise, no assay marks, size J / 4.75, 6.3g. 

Estimate £1,000 - £1,500

AN ANTIQUE MOONSTONE AND DIAMOND SWEETHEART RING in yellow gold and silver, set with two heart shaped cabochon moonstones in borders of rose cut diamonds, surmounted by a bow set with further rose cut diamonds, no assay marks, size M1/2 / 6.5, 8.1g. 

Estimate £2,000 - £3,000

AN ANTIQUE RUBY AND DIAMOND CLOVER CROSSOVER RING in yellow gold, the crossover band terminating at each end with a clover motif set with round cut rubies and an old cut diamond, marked indistictly, size Q / 8.25, 2.9g. 

Estimate £600 - £800

AN ANTIQUE ENAMEL AND DIAMOND RING in yellow gold, designed as interlocking hoops set with old cut diamonds, accented by blue enamel, no assay marks, size L1/2 / 6, 5.5g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND DRESS RING in 18ct yellow gold, set with an old cut diamond of approximately 1.82 carats accented on each side by a trio of further old cut diamonds, the diamonds all totalling 2.5-2.7 carats, full British hallmarks for Birmingham

Estimate £6,000 - £8,000

AN ANTIQUE DIAMOND AND ENAMEL RING in yellow gold, set with an old cut diamond of approximately 0.40 carats, the band accented by stripes of black enamel, no assay marks, size P / 7.75, 3.6g. 

Estimate £800 - £1,200

AN ANTIQUE IBERIAN DIAMOND RING in yellow gold, set with a cluster of table and rose cut diamonds, no assay marks, size L1/2 / 6, 3.2g. 

Estimate £500 - £700

A BURMA NO HEAT RUBY FIVE STONE RING set with a row of five cushion cut rubies, the rubies all totalling 2.6-2.9 carats, no assay marks, size R1/2 / 9, 4.5g. Accompanied by a gemmological report stating that the rubies are of Burmese (Myanmar) origin

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND SNAKE RING in yellow gold, designed as a coiled snake, the eyes set with rose cut diamonds, no assay marks, size M1/2 / 6.5, 3.3g.

Estimate £300 - £500

A PINK TOPAZ AND EMERALD RING set with an oval cut pink topaz of approximately 2.17 carats accented on each side by a round cut emerald, no assay marks, size M1/2 / 6.5, 3.7g.

Estimate £1,000 - £1,500

AN ANTIQUE TURQUOISE AND DIAMOND RING in yellow gold, set with two pear shaped cabochon turquoise accented by old cut diamonds, marked indistinctly, size P / 7.75, 2.8g.

Estimate £400 - £600

AN ANTIQUE EMERALD AND OPAL CLUSTER RING in 15ct yellow gold, set with a square step cut emerald in a cluster of oval cabochon opals, partially obscured British hallmarks, size K / 5.25, 1.7g. 

Estimate £400 - £600

AN ANTIQUE PEARL AND DIAMOND RING in yellow gold, set with three pearls accented by pairs of old cut diamonds, no assay marks, size M / 6.25, 4.4g. 

Estimate £600 - £800

AN ANTIQUE BLACK PEARL AND DIAMOND RING in yellow gold, set with a black pearl of 7.1mm in a cluster of old cut diamonds, the diamonds all totalling 1.0-1.2 carats, no assay marks, size O1/2 / 7.5, 4.0g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND CLUSTER RING in yellow gold and silver, set with a cluster of rose cut diamonds, no assay marks, size L / 5.75, 3.8g.

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND AND ENAMEL NAVETTE RING in yellow gold, the navette ring designed as a flower set with old and rose cut diamonds, in a border of black and white enamel, no assay marks, size H / 3.75, 4.8g. 

Estimate £1,000 - £1,500

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals, accented by trios of old cut diamonds, 

Estimate £600 - £800

AN ANTIQUE ART NOUVEAU RUBY, PEARL AND PLIQUE A JOUR RING in yellow gold, designed as a pair of leaves decorated with green and pink plique a jour enamel, set with a round cut ruby and a pearl, no assay marks, size P / 7.75, 2.5g. 

Estimate £800 - £1,200

AN ANTIQUE FRENCH CHRYSOPRASE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cabochon chrysoprase in a cluster of old and rose cut diamonds, French assay marks, size L / 5.75, 6.3g. 

Estimate £250 - £350

A DIAMOND AND ONYX TARGET RING in 18ct white gold, set with a round brilliant cut diamond of approximately 1.00 carat, in a border of polished onyx and round cut diamonds, French import mark, size K / 5.25, 6.8g. 

Estimate £1,200 - £1,600

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald, the stepped shoulders set with round brilliant cut diamonds, no assay marks, size Q1/2 / 8.5, 4.5g. 

Estimate £1,200 - £1,600

A BLUE ZIRCON AND DIAMOND DRESS RING set with a round cut blue zircon accented by round brilliant and baguette cut diamonds, stamped 18CT, size K / 5.25, 3.0g. 

Estimate £800 - £1,200

A DIAMOND DRESS RING set to the centre with a round brilliant cut diamond of approximately 0.60 carats in an openwork border of further diamonds, no assay marks, size O1/2 / 7.5, 4.4g. 

Estimate £1,200 - £1,600

AN EMERALD AND DIAMOND RING set with step cut emeralds in a border of round brilliant cut diamonds, no assay marks, size K1/2 / 5.5, 2.8g. 

Estimate £2,000 - £3,000

A PEARL AND DIAMOND FLOWER RING designed as a flower set with a pearl of 10.5mm, the petals pave set with round brilliant cut diamonds, no assay marks, size J / 4.75, 13.8g. 

Estimate £2,000 - £3,000

A SOLITAIRE DIAMOND RING set with an old European cut diamond of approximately 1.29 carats, no assay marks, size S / 9.25, 3.2g. 

Estimate £1,500 - £2,500

A DIAMOND RING pave set with round cut diamonds, the diamonds all totalling 0.5-0.6 carats, stamped 18, size Q1/2 / 8.5, 2.5g. 

Estimate £600 - £800

A TSAVORITE GARNET AND PEARL CLUSTER RING in 18ct yellow gold, set with a cushion cut tsavorite garnet of approximately 1.48 carats in a cluster of pearls, full British hallmarks, size L / 5.75, 7.0g. 

Estimate £1,000 - £1,500

A DIAMOND SNAKE RING designed as a snake coiled around the figure of a woman, the snake holding an old cut diamond in its mouth, no assay marks, size M / 6.25, 10.4g. 

Estimate £2,000 - £3,000

A DIAMOND DRESS RING in 18ct white gold, in an openwork lattice design set with round brilliant cut diamonds, partial British hallmarks, size O / 7.25, 15.8g. 

Estimate £1,000 - £1,500

A SAPPHIRE, AQUAMARINE AND BLUE TOPAZ BUBBLE RING comprising five bands set with round cut blue sapphires, aquamarines and blue topaz, stamped 750, size P1/2 / 8, 11.3g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND THREE STONE RING set with an oval cut sapphire of approximately 3.07 carats accented on each side by a round cut diamond, the diamonds both totalling 1.0-1.1 carats, stamped 18CT, size L / 5.75, 5.0g. 

Estimate £2,000 - £3,000

A DIAMOND SNAKE RING designed as a coiled snake, the head set with an old cut diamond, no assay marks, size L1/2 / 6, 6.8g. 

Estimate £800 - £1,200

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of 21.60 carats accented on each side by a baguette cut diamond, stamped 750, size O / 7.25, 9.5g. 

Estimate £1,200 - £1,600

A GREEN TOURMALINE AND DIAMOND RING set with a rectangular step cut green tourmaline, accented by round brilliant cut diamonds, no assay marks, size L1/2 / 6, 6.0g. 

Estimate £1,500 - £2,500

A YELLOW SAPPHIRE AND DIAMOND THREE STONE RING set with an octagonal step cut yellow sapphire of 2.00 carats, accented on each side by an emerald cut diamond, inscribed S:2.00CT, stamped PT950, size M1/2 / 6.5, 5.0g. 

Estimate £800 - £1,200

A CHINESE JADEITE JADE AND EMERALD RING in high carat yellow gold, set with a jadeite jade carved to depict a foo dog, accented by oval cut emeralds, no assay marks, size R / 8.5, 29.5g.

Estimate £1,200 - £1,600

A BLACK PEARL AND DIAMOND DRESS RING in 18ct white gold, set with a black pearl of 10.5mm, the bifurcated band pave set with round cut diamonds, partial British hallmarks, size O / 7.25, 9.1g. 

Estimate £600 - £800

A DIAMOND SKULL RING designed as two mirrored human skulls, accented by round cut diamonds, stamped 925, size O / 7.25, 11.7g. 

Estimate £400 - £600

A TURQUOISE AND AMETHYST FIVE STONE RING set with three cabochon turquoise and two round cut amethysts, stamped 18CT PLAT, size N / 6.75, 4.1g.

Estimate £500 - £700

AN EMERALD AND DIAMOND BUBBLE RING set with round cut emeralds and round brilliant cut diamonds, stamped 750, size N / 6.75, 15.1g. 

Estimate £1,500 - £2,500

A CHINESE JADEITE JADE RING in high carat yellow gold, set with a cabochon jadeite jade, Chinese assay marks, size O1/2 / 7.5, 7.1g. 

Estimate £500 - £700

AN ANTIQUE PEARL AND ENAMEL RING in yellow gold, the domed oval face set with pearls accented by sections of blue enamel, no assay marks, size N1/2 / 7, 8.1g. 

Estimate £800 - £1,200

AN ANTIQUE EMERALD AND RUBY RING in yellow gold and silver, set with an octagonal step cut emerald between two oval cut rubies, no assay marks, size M1/2 / 6.5, 5.1g. 

Estimate £600 - £800

AN ANTIQUE GEORGIAN DIAMOND AND ENAMEL MOURNING RING in yellow gold and silver, the navette face with an applied urn motif relieved in white enamel and set with rose cut diamonds, over a ground of blue guilloche enamel, in a border of old cut diamond

Estimate £4,000 - £6,000

A DIAMOND, TURQUOISE AND GARNET FLY RING set with a cushion cut garnet, a cabochon turquoise and rose cut diamonds, no assay marks, size M / 6.25, 2.9g. 

Estimate £800 - £1,200

AN UNHEATED SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 3.42 carats in a cluster of old and brilliant cut diamonds, no assay marks, size O1/2 / 7.5, 5.7g. Accompanied by a gemmological report stating that the sapphire is of Mad

Estimate £4,000 - £6,000

AN ANTIQUE SYNTHETIC RUBY AND DIAMOND DRESS RING in yellow gold and silver, in scrolling design set with a round cut synthetic ruby, old European cut diamonds and old cut diamonds, no assay marks, size O1/2 / 7.5, 3.9g.

Estimate £500 - £700

A DIAMOND DRESS RING the circular face pave set with rose cut diamonds, no assay marks, size Q1/2 / 8.5, 4.8g.

Estimate £800 - £1,200

A DIAMOND FULL ETERNITY RING set all around with a row of carre cut diamonds, inscribed 13/12/2017, stamped 750, size M1/2 / 6.5, 8.1g. 

Estimate £1,000 - £1,500

LOT WITHDRAWN.

Estimate £1,500 - £2,500

A DIAMOND SNAKE RING designed as a stylised coiled snake with a gas pipe body, the head set with round brilliant cut diamonds, stamped 18Kt, size T / 9.75, 16.7g. 

Estimate £1,000 - £1,500

A SAPPHIRE GYPSY RING set with a cabochon sapphire of approximately 5.00 carats, no assay marks, size N1/2 / 7, 6.9g. 

Estimate £800 - £1,200

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 5.11 carats, the shoulders set with round brilliant cut diamonds, stamped 750, size Q1/2 / 8.5, 5.0g. 

Estimate £1,200 - £1,600

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald, the band set with round cut diamonds, stamped 585, size N / 6.75, 2.2g. 

Estimate £400 - £600

A FRENCH SAPPHIRE AND DIAMOND SNAKE RING in 18ct yellow gold, designed as a coiled snake, the head set with a cabochon sapphire and rose cut diamonds, French assay marks, size O1/2 / 7.5, 5.4g. 

Estimate £600 - £800

A VINTAGE CAMEO RING in yellow gold, set with a shell cameo carved to depict the profile of a lady, no assay marks, size U1/2 / 10.25, 9.3g. 

Estimate £200 - £300

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of approximately 1.31 carats, accented on each side by an old cut diamond, the diamonds both totalling 1.3-1.5 carats, stamped PLAT 18CT, size N / 6.75, 3.5g. 

Estimate £2,000 - £3,000

A BLOODSTONE INTAGLIO RING set with a circular intaglio carved with a monogram and a crown, no assay marks, size O / 7.25, 4.9g.

Estimate £500 - £700

AN ANTIQUE DIAMOND RING in yellow gold and silver, designed as two interlocking horseshoes surmounted by a bow, set throughout with old and rose cut diamonds, no assay marks, size L1/2 / 6, 3.5g.

Estimate £1,000 - £1,500

AN ANTIQUE GEORGIAN HAIRWORK RING the oval face set with a portrait miniature of a woman accented by hairwork, inscribed 'Given by the 1st Sir Robert Peel to Wm Walker Esq of Bury about 1803', no assay marks, size O1/2 / 7.5, 6.0g.

Estimate £1,000 - £1,500

A NATURAL SALTWATER PEARL, BURMA NO HEAT RUBY AND DIAMOND RING in yellow gold, set with a pearl of 6.4mm accented on each side by a cushion cut ruby, accented by rose cut diamonds, no assay marks, size N1/2 / 7, 4.0g. Accompanied by a gemmological re

Estimate £2,000 - £3,000

A RUBY AND DIAMOND THREE STONE RING set with a round cut ruby accented on each side by a round brilliant cut diamond, stamped PLAT 18C, size N1/2 / 7, 2.4g.

Estimate £400 - £600

AN AQUAMARINE AND DIAMOND DRESS RING set with a rectangular step cut aquamarine of approximately 1.82 carats, accented by round brilliant cut diamonds, the diamonds all totalling 1.7-1.9 carats, no assay marks, size R1/2 / 9, 18.1g. 

Estimate £1,500 - £2,500

A CITRINE, AQUAMARINE AND DIAMOND COCKTAIL RING set with a round cut citrine in a cluster of oval cut aquamarines, accented by round cut diamonds, no assay marks, size L / 5.75, 8.7g. 

Estimate £1,000 - £1,500

A PINK TOURMALINE AND DIAMOND CLUSTER RING set with an octagonal step cut pink tourmaline of approximately 1.41 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 0.6-0.7 carats, stamped 18, size N1/2 / 7, 4.7g. 

Estimate £800 - £1,200

AN EMERALD RING in 18ct yellow gold, set with an oval cabochon emerald, full British hallmarks for London 2017, size L / 5.75, 7.6g. 

Estimate £800 - £1,200

A PAIR OF DIAMOND AND SAPPHIRE TARGET EARRINGS each set with a rose cut diamond in a border of calibre cut sapphires and round brilliant cut diamonds, stamped 750, 1.5cm, 6.2g. 

Estimate £2,000 - £3,000

A DIAMOND AND SAPPHIRE DRESS RING the rectangular face set with a round cut diamond of approximately 1.00 carat in a border of calibre cut sapphires and round brilliant cut diamonds, the shoulders set with further diamonds, stamped 18K, size N / 6.75

Estimate £2,500 - £3,500

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 1.70 carats accented on each side by a baguette cut diamond, stamped 14K, size H / 3.75, 4.6g. 

Estimate £6,000 - £8,000

A TANZANITE AND DIAMOND RING set with an octagonal step cut tanzanite of 5.75 carats, the stepped shoulders set with round brilliant cut diamonds, stamped 750, size M / 6.25, 6.2g. 

Estimate £1,500 - £2,500

A TSAVORITE GARNET AND DIAMOND TOI ET MOI RING the band set with an oval cut tsavorite garnet of 1.14 carats, together with four fancy cut diamonds arranged as an oval, stamped 18K, size M1/2 / 6.5, 3.1g.

Estimate £1,200 - £1,600

AN EMERALD AND DIAMOND RING set with a cushion cut emerald of 4.40 carats, flanked by pairs of tapered baguette cut diamonds, stamped Pt950, size N1/2 / 7, 6.2g. Accompanied by a gemmological report stating the emerald is of Zambian origin with moder

Estimate £2,500 - £3,500

A PEARL RING set with a pearl of 10.0mm, stamped 585, size N1/2 / 7, 3.8g. 

Estimate £150 - £250

A RUBY AND DIAMOND THREE STONE RING set with a round cut ruby of approximately 0.44 carats accented on each side by an old cut diamond, no assay marks, size N / 6.75, 2.8g. 

Estimate £300 - £500

A DIAMOND FULL ETERNITY RING set all around with a row of baguette cut diamonds all totalling 2.50 carats, stamped 750, size N / 6.75, 4.3g. 

Estimate £2,500 - £3,500

A DIAMOND BOMBE RING the bombe face set with baguette cut diamonds, no assay marks, size O1/2 / 7.5, 5.9g. 

Estimate £1,200 - £1,600

A SET OF THREE GEMSET STACKING RINGS each set with a trio of princess cut diamonds, accented by square step cut rubies, emeralds and sapphires respectively, no assay marks, size N1/2 / 7, 13.1g. 

Estimate £1,000 - £1,500

A RETRO DIAMOND RING in rose gold, the openwork ring set with round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, no assay marks, size Q / 8, 10.1g. 

Estimate £600 - £800

A RUBY AND DIAMOND RING in 18ct yellow gold, set with three cushion cut rubies accented by pairs of old cut diamonds, partially obscured full British hallmarks, size R1/2 / 9, 4.2g.

Estimate £600 - £800

A DIAMOND TOI ET MOI RING set with two round brilliant cut diamonds, stamped 18CT PLAT, size N / 6.75, 2.4g. 

Estimate £100 - £150

AN EMERALD AND DIAMOND DRESS RING set with a cushion cut emerald of 2.12 carats, accented by a step cut diamonds arranged in octagonal design, stamped 18K, size N / 6.5, 4.9g.

Estimate £2,500 - £3,500

A FRENCH RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut ruby of approximately 2.25 carats in a border of old and rose cut diamonds, the diamonds all totalling 0.6-0.8 carats, French assay marks, size M / 6.25, 4.5g. 

Estimate £4,000 - £6,000

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with an oval cabochon sapphire of approximately 2.88 carats in a cluster of rose cut diamonds, no assay marks, size L1/2 / 6, 3.2g. 

Estimate £1,000 - £1,500

AN ANTIQUE GARNET AND DIAMOND THREE STONE RING in yellow gold and silver, set with a cushion cut garnet accented on each side by an old cut diamond, no assay marks, size N1/2 / 7, 1.5g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND SNAKE RING in yellow gold, designed as a coiled snake set with rose cut diamonds, no assay marks, size P / 7.5, 3.5g. 

Estimate £600 - £800

AN ANTIQUE CARNELIAN INTAGLIO RING set with a carnelian intaglio carved to depict a family crest, no assay marks, size T / 9.75, 10.7g. 

Estimate £1,500 - £2,500

A TURQUOISE, PEARL AND DIAMOND SWEETHEART RING in yellow gold, designed as two interlocking hearts, set with pearls and round and pear shaped turquoise, accented by rose cut diamonds, no assay marks, size M / 6.25, 4.7g.

Estimate £600 - £800

AN ANTIQUE RUBY AND DIAMOND THREE STONE RING in yellow gold, set with an oval cut ruby of approximately 0.78 carats accented on each side by an old cut diamond, the diamonds both totalling 0.7-0.8 carats, no assay marks, size N1/2 / 7, 2.4g. 

Estimate £1,000 - £1,500

A DIAMOND DRESS RING set with a round brilliant cut diamond of 0.50 carats, the shoulers pave set with round cut diamonds, stamped 750, size N / 6.75, 5.1g. Accompanied by a facsimile GIA report stating the diamond is G colour and VS1 clarity. 

Estimate £1,500 - £2,500

A TURQUOISE ETERNITY RING set all around with two rows of round cabochon turquoise, stamped 18K, size M / 6.25, 2.2g. 

Estimate £300 - £500

A FIRE OPAL AND DIAMOND DRESS RING set with an oval cut fire opal of 1.37 carats, the shoulders of the band set with round cut diamonds, stamped 18K, size M1/2 / 6.5, 3.6g.

Estimate £600 - £800

LOT WITHDRAWN.

Estimate £2,500 - £3,500

A TANZANITE, DIAMOND AND ENAMEL RING set with a round cut tanzanite in concentric borders of white enamel and round cut diamonds, stamped 18K, size M1/2 / 6.5, 2.6g. 

Estimate £400 - £600

A FIVE STONE DIAMOND RING set with five emerald and baguette cut diamonds, stamped 750, size L / 5.75, 2.7g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND DRESS RING in yellow gold and silver, set with five rose cut diamonds in a border of further rose cut diamonds, no assay marks, size L1/2 / 6, 3.3g. 

Estimate £1,500 - £2,500

AN ANTIQUE PEARL AND DIAMOND SWEETHEART RING in yellow gold, designed as two interlocking hearts surmounted by a ribbon set with an old cut diamond and pearls, no assay marks, size O1/2 / 7.5, 3.7g. 

Estimate £600 - £800

AN ANTIQUE EMERALD AND DIAMOND CLUSTER RING set with an old cut diamond in a cluster of cushion cut emeralds, no assay marks, size I / 4.25, 2.0g. 

Estimate £800 - £1,200

A GEMSET HAREM RING formed of five connected rings set with cushion cut sapphires, rubies and emeralds accented by round cut diamonds, no assay marks, size I1/2 / 4.5, 7.7g.

Estimate £800 - £1,200

AN ANTIQUE DIAMOND CLUSTER RING in yellow gold and silver, set with an old cut diamond in a cluster of old cut diamonds, the diamonds all totalling 1.0-1.2 carats, no assay marks, size R / 8.75, 7.4g.

Estimate £1,000 - £1,500

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold, set with an old cut diamond of approximately 0.60 carats accented on each side by a round cut sapphire, accented by rose cut diamonds, the sapphires both totalling 1.7-1.9 carats, no assay marks, s

Estimate £1,000 - £1,500

A VINTAGE GOLD BELT RING in 9ct yellow gold, designed as an engraved belt, full British hallmarks for London 1977, size K / 5.25, 2.2g. 

Estimate £100 - £150

A RUBY AND DIAMOND RING in yellow gold, set with a row of five graduating rubies accented by single cut diamonds, the rubies all totalling 1.9-2.1 carats, no assay marks, size Q1/2 / 8.5, 4.6g.

Estimate £1,500 - £2,500

AN ANTIQUE YELLOW SAPPHIRE, DIAMOND AND ENAMEL NAVETTE RING in yellow gold, set with an old cut diamond over a ground of blue enamel, within a border of round cut yellow sapphires, no assay marks, size O / 7.25, 9.7g. 

Estimate £1,500 - £2,500

A BLOODSTONE INTAGLIO SIGNET RING set with an oval bloodstone intaglio carved with a family crest, no assay marks, size I1/2 / 4.5, 10.8g. 

Estimate £600 - £800

AN ANTIQUE AMETHYST AND DIAMOND RING set with a cushion cut amethyst accented by rose cut diamonds, no assay marks size L / 5.75, 3.7g. 

Estimate £600 - £800

AN ANTIQUE RUBY AND DIAMOND CLUSTER RING in yellow gold, the domed face set with a round cut ruby in a cluster of rose cut diamonds, no assay marks, size N / 6.75, 4.7g. 

Estimate £600 - £800

A BURMESE RUBY AND DIAMOND RING set with an octagonal step cut ruby of 1.07 carats accented on each side by baguette cut diamonds, inscribed BURMESE RUBY 1.07CT, stamped PT950, size L / 5.75, 4.4g. 

Estimate £1,200 - £1,600

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine flanked by tapered baguette cut diamonds, stamped 750 18K, size H1/2 / 4, 4.3g. 

Estimate £800 - £1,200

A RUBY AND DIAMOND RING set with an oval cut ruby of approximately 2.83 carats in a border of single cut diamonds, the stepped shoulders set with further single cut diamonds, no assay marks, size N1/2 / 7, 5.9g. 

Estimate £1,200 - £1,600

A SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of approximately 3.00 carats in a border of round brilliant cut diamonds, stamped 750, size K / 5.25, 9.4g. 

Estimate £800 - £1,200

A DIAMOND DRESS RING set with a cluster of round brilliant and baguette cut diamonds in a border of round cut diamonds, the shoulders set with further baguette and round cut diamonds, no assay marks, size K / 5.25, 5.1g. 

Estimate £1,500 - £2,500

AN ANTIQUE SAPPHIRE AND GARNET SNAKE RING in yellow gold, designed as a coiled snake, the head set with an oval cut sapphires, the eyes set with round cabochon garnets, no assay marks, size L / 5.75, 8.9g. 

Estimate £600 - £800

AN ANTIQUE CARNELIAN SWIVEL MOURNING RING in yellow gold, the central panel with the words 'ANN CARTER OB:19 DEC 1822 AE:93' on a black enamel background, rotating to a carnelian intaglio engraved 'Amitie', no assay marks, size Q / 8.25, 3.1g.

Estimate £600 - £800

AN AMETHYST AND DIAMOND CLUSTER set with an oval cut amethyst in a cluster of old cut diamonds, no assay marks, size Q / 8.25, 4.8g. 

Estimate £500 - £700

AN ANTIQUE IBERIAN RUBY RING in yellow gold, set with flat cut rubies, no assay marks, size S / 9, 3.6g. 

Estimate £1,500 - £2,500

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 1.01 carats accented by single cut diamonds, stamped 18CT PT, size K1/2 / 5.5, 3.4g. 

Estimate £2,000 - £3,000

AN ANTIQUE RUBY AND DIAMOND DRESS RING in yellow gold, the navette face set with a round cut ruby accented by old and rose cut diamonds, no assay marks, size O1/2 / 7.5, 2.5g.

Estimate £600 - £800

NO RESERVE - A DIAMOND DRESS RING in 18ct white gold, the openwork ring set with a round brilliant cut diamond of approximately 0.20 carats, accented by further round cut diamonds, stamped 750, size M1/2 / 6.5, 5.5g. 

Estimate £400 - £600

A TEAL SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut teal sapphire of approximately 5.05 carats in a cluster of round brilliant cut diamonds, stamped 18K, size J1/2 / 5, 6.6g. 

Estimate £1,200 - £1,600

A TANZANITE AND DIAMOND RING in platinum, set with a cushion cut tanzanite of approximately 4.40 carats in a border of round cut diamonds, the bifurcated band pave set with further round cut diamonds, full British hallmarks for London 2020, size K /

Estimate £3,000 - £5,000

AN EMERALD AND DIAMOND CLUSTER RING set with a pear cut emerald of 4.13 carats in a cluster of pear and round brilliant cut diamonds all totalling 2.12 carats, inscribed D2.12 E4.13, stamped 750, size N1/2 / 7, 8.5g. 

Estimate £3,000 - £5,000

A DIAMOND CLUSTER RING set with a cluster of round brilliant cut diamonds, the diamonds all totalling 1.6-1.8 carats, no assay marks, size N / 6.75, 4.4g. 

Estimate £600 - £800

AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of approximately 5.78 carats, the shoulders set with round brilliant cut diamonds, stamped 750, size P / 7.75, 6.4g. 

Estimate £1,500 - £2,500