KUTCHINSKY, A VINTAGE ENAMEL BOMBE RING in 18ct yellow gold, the bombe face in woven design, decorated in blue and green enamel, obscured Kutchinsky signature, obscured British hallmarks for London 1967, size J1/2 / 5, 14.2g. 

Estimate £1,000 - £1,500

TIFFANY & CO., A DIAMOND ETOILE RING the band set with staggered round brilliant cut diamonds, signed T&CO., stamped PT950, size O / 7.25, 7.2g.

Estimate £500 - £700

AN ANTIQUE DIAMOND AND RUBY CLUSTER RING in yellow gold, set with an old cut diamond measuring 7.2mm x 7.1mm, in a cluster of cushion and oval cut rubies, no assay marks, size O / 7.25, 5.9g. 

Estimate £2,000 - £3,000

ANDREW GRIMA, A ROSE QUARTZ COCKTAIL RING set with a cabochon rose quartz, carved to the reverse, signed Grima, stamped 750, size O1/2 / 7.5, 18.5g. Accompanied by an Andrew Grima jewellery box. 

Estimate £1,500 - £2,500

CARTIER, A DIAMOND BOMBE RING in 18ct yellow gold, the textured mount set with a cluster of round brilliant cut diamonds, the diamonds totalling 0.8-1.0 carat, signed Cartier, London import marks, stamped 750, size Q / 8.25, 18.8g. 

Estimate £4,000 - £6,000

AN ART DECO UNTREATED JADEITE JADE AND DIAMOND RING set with an oval cabochon jadeite jade of approximately 15.00 carats, the stepped shoulders set with old cut diamonds, no assay marks, size M / 6.25, 8.0g. Accompanied by a gemmological report stati

Estimate £1,000 - £1,500

A 2.09 CARAT SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of 2.09 carats, the band set with further round brilliant cut diamonds, stamped 750, size N1/2 / 7, 3.6g. Accompanied by a facsimile gemmological report stating that the diamo

Estimate £8,000 - £12,000

A PINK SAPPHIRE AND DIAMOND THREE STONE RING set with an octagonal step cut pink sapphire of approximately 2.62 carats, accented on each side by baguette cut diamonds totalling 0.4-0.5 carats, stamped 18K, size L1/2 / 6, 4.1g. 

Estimate £2,500 - £3,500

A COLOMBIAN MINOR EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 14.00 carats, the band pave set with round brilliant cut diamonds all totalling 3.0-3.5 carats, no assay marks, size O / 7.25, 15.2g. Accompanied by a gemmological r

Estimate £20,000 - £30,000

A SAPPHIRE FIVE STONE RING set with five cushion cut sapphires all totalling 2.2-2.4 carats, no assay marks, size L1/2 / 6, 3.9g. 

Estimate £800 - £1,200

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an old mine cut diamond of approximately 1.18 carats, full British hallmarks for London 1983, size M / 6.25, 2.5g. 

Estimate £1,500 - £2,500

A DIAMOND CLUSTER RING in platinum, set with an oval brilliant cut diamond of approximately 1.08 carats in a cluster of round brilliant cut diamonds, the band set with further diamonds, partial British hallmarks, size K / 5.25, 5.6g. 

Estimate £2,500 - £3,500

A VINTAGE DIAMOND RING in 18ct yellow gold, set with three round brilliant diamonds within star shaped borders, the diamonds totalling 0.3-0.4 carats, full British hallmarks for London 1980, size R1/2 / 9, 6.3g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut sapphire of approximately 1.62 carats, accented by round brilliant and marquise cut diamonds all totalling 1.5-1.7 carats, full British hallmarks, French assay mark, size L1

Estimate £1,500 - £2,500

AN INVISIBLY SET RUBY AND DIAMOND BOMBE RING the bombe face invisibly set with square step cut rubies, accented by rows of round brilliant cut diamonds, stamped K18 WG, size R / 8.5, 8.1g. 

Estimate £1,200 - £1,600

A FANCY DARK YELLOWISH BROWN DIAMOND RING in platinum, set with a cushion cut brown diamond of 2.20 carats in a cluster of round brilliant cut diamonds, the band set with further diamonds, partial British hallmarks, size K / 5.25, 8.4g. Accompanied b

Estimate £2,500 - £3,500

AN EMERALD SCARAB DRESS RING set with an oval cabochon emerald carved to depict a scarab, inscribed 380, stamped 750, size U / 10.25, 11.1g. 

Estimate £1,800 - £2,200

AN ANTIQUE RUBY AND DIAMOND RING in 18ct yellow gold, set with three cushion cut rubies accented by old cut diamonds, full British hallmarks for Birmingham 1879, size O / 7.25, 4.1g. 

Estimate £1,000 - £1,500

A DIAMOND DRESS RING in 18ct yellow gold, the band set with articulated clusters of round cut diamonds, full British hallmarks for London 2005, size J / 4.75, 22.6g.

Estimate £2,000 - £3,000

AN ANTQUE ENAMEL SNAKE RING in yellow gold, designed as a coiled snake, the head decorated with black enamel, no assay marks, size N / 6.75, 2.7g. 

Estimate £800 - £1,200

A FANCY LIGHT BROWNISH YELLOW DIAMOND RING in platinum, set with a round brilliant cut diamond of 3.50 carats in a halo of round brilliant cut diamonds, the band set with further diamonds, partial British hallmarks, size L / 5.75, 4.6g. Accompanied b

Estimate £5,000 - £7,000

AN ANTIQUE DIAMOND RING in yellow gold, set with two rows of old cut diamonds totalling 1.0-1.2 carats, marked indistinctly, size M / 6.25, 3.2g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND FIVE STONE RING set with five cushion cut sapphires all totalling 5.0-5.5 carats, accented by rose cut diamonds, no assay marks, size M / 6.25, 5.0g. 

Estimate £2,000 - £3,000

AN ANCIENT GOLD SNAKE RING in yellow gold, designed as a coiled snake, no assay marks, size S / 9.25, 5.2g. 

Estimate £1,500 - £2,500

A DIAMOND FULL ETERNITY RING set all around with a row of baguette cut diamonds, the diamonds all totalling 2.0-2.5 carats, no assay marks, size J1/2 / 5, 4.1g. 

Estimate £1,500 - £2,500

A KUNZITE AND DIAMOND RING set with an octagonal step cut kunzite of 11.45 carats in a border of round brilliant cut diamonds, the band set with further diamonds, inscribed 11.14ct d0.275ct, stamped PT950, size N1/2 / 7, 8.5g. 

Estimate £800 - £1,200

AN VINTAGE RUBY AND DIAMOND SNAKE RING in 9ct yellow gold, designed as two coiled snakes set with a round cut ruby and an old cut diamond, full British hallmarks for Birmingham 1982, size X1/2 / 12, 8.7g. 

Estimate £600 - £800

AN ANTIQUE EMERALD AND DIAMOND CLUSTER RING in 

Estimate £1,500 - £2,500

A FINE ART DECO DIAMOND RING set with three principal old European cut diamonds of approximately 0.34, 0.56 and 0.37 carats respectively, the diamonds all totalling 2.7-3.0 carats, stamped PLAT, size S / 9.25, 5.0g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND BALLERINA RING set with an oval cut sapphire of approximately 3.90 carats in an undulating border of tapered baguette cut diamonds, no assay marks, size L1/2 / 6, 10.0g. 

Estimate £5,500 - £6,500

AN EMERALD, ONYX, DIAMOND AND RUBY DRESS RING set with an octagonal step cut emerald of 2.01 carats in a border of polished onyx and round brilliant cut diamonds, the shoulders set with octagonal step cut rubies, inscribed E2.01ct 0.217ct d0.181ct, s

Estimate £800 - £1,200

A DIAMOND AND RUBY DRESS RING set with an old cut diamond of 0.43 carats accented by single cut diamonds and calibre cut rubies, inscribed 0.439 0.20 0.30, stamped PLAT, size N1/2 / 7, 5.2g.

Estimate £1,200 - £1,600

AN OPAL AND DIAMOND CLUSTER RING set with an oval cabochon opal in a cluster of round brilliant cut diamonds, no assay marks, size M / 6.25, 6.1g. 

Estimate £600 - £800

A TANZANITE AND DIAMOND RING set with rose cut tanzanites and accented by rose cut diamonds, the tanzanites all totalling 9.0-10.0 carats, band marked 18K, size P / 7.5, 8.7g. 

Estimate £200 - £300

A DIAMOND FULL ETERNITY RING set with two rows of round brilliant cut diamonds, the diamonds all totalling 2.2-2.4 carats, no assay marks, size K1/2 / 5.5, 4.3g. 

Estimate £600 - £800

AN ANTIQUE DIAMOND THREE STONE RING in yellow gold and silver, set with three old cut diamonds in a closed back setting, no assay marks, size N1/2 / 7, 3.2g. 

Estimate £2,500 - £3,500

A DIAMOND ETERNITY RING set all around with a row of round brilliant cut diamonds, accented by borders or smaller round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 5.7g. 

Estimate £1,000 - £1,500

A DRUZY QUARTZ, DIAMOND AND RUBY SNAKE RING set with a piece of druzy quartz with an applied snake motif set with round cut diamonds and round cut ruby eyes, accented by a border of further diamonds, stamped 925 18K, size O / 7.25, 13.4g. 

Estimate £250 - £350

A DIAMOND DRESS RING set with three rows of round brilliant cut diamonds all totalling 3.0-3.2 carats, stamped 585, size M1/2 / 6.5, 9.8g. 

Estimate £1,500 - £2,500

A RUBY, ONYX AND DIAMOND RING set with an octagonal step cut ruby, accented by polished onyx and round brilliant cut diamonds, inscribed 4.74ct 3.40ct d0.045ct, stamped AU750, size N / 6.75, 5.6g. 

Estimate £600 - £800

A DIAMOND TOI ET MOI RING set with two transitional cut diamonds, the shoulders set with single cut diamonds, stamped 750, size M1/2 / 6.5, 3.2g.

Estimate £800 - £1,200

AN ANTIQUE GARNET INTAGLIO RING in yellow gold, set with a garnet intaglio carved to depict the bust of the god Hermes with his caduceus staff, no assay marks, size N / 6.75, 19.4g. 

Estimate £4,000 - £6,000

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

Estimate £400 - £600

CARTIER, AN OR ET ACIER RING in 18ct yellow gold and steel, comprising alternating sections of gold and steel wire around a gold band, signed Cartier and numbered, no assay marks, size M / 6.25, 5.9g.

Estimate £400 - £600

A DIAMOND CLUSTER RING set with a cluster of old cut diamonds, accented by border of transitional cut diamonds, marked indistinctly, size L1/2 / 6, 5.7g. 

Estimate £600 - £800

A RUBY AND DIAMOND ETERNITY RING set all around with rows of round brilliant cut diamonds and round cut rubies in a stylised design, stamped 14K, D 0.59 ct, Rb 0.80 ct, size M / 6.25, 7.8g. 

Estimate £1,200 - £1,600

AN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald of approximately 2.66 carats in a double cluster of round brilliant cut diamonds, the diamonds all totalling 1.8-2.0 carats, no assay marks, size L / 5.75, 10.7g. 

Estimate £1,200 - £1,600

AN AQUAMARINE AND DIAMOND RING set with an oval cut aquamarine of approximately 15.30 carats in a border of pave set round cut diamonds, the diamonds all totalling 2.0-2.5 carats, band stamped 18K, size O / 7.25, 12.6g. 

Estimate £800 - £1,200

A RUBY AND DIAMOND CLUSTER RING set with a round cut ruby of approximately 0.56 carats in a cluster of old cut diamonds, the diamonds totalling 0.5-0.6 carats, stamped 18CT, size N / 6.75, 3.4g. 

Estimate £1,200 - £1,600

AN OPAL AND DIAMOND CLUSTER RING in 9ct yellow gold, set with an oval cabochon opal in a cluster of round brilliant cut diamonds, full British hallmarks, size M1/2 / 6.5, 3.3g. 

Estimate £400 - £600

AN ANTIQUE DIAMOND AND SAPPHIRE DRESS RING, EARLY 20TH CENTURY the openwork face set with old and rose cut diamonds, accented by calibre cut sapphires, no assay marks, size L / 5.75, 5.8g. 

Estimate £600 - £800

A RAINBOW MOONSTONE, SAPPHIRE AND DIAMOND DRESS RING set with a fancy cabochon rainbow moonstone, the stylised border pave set with round brilliant cut diamonds and accented by round cut sapphires, inscribed 7.28ct 0.41ct d0.602ct, stamped AU750, siz

Estimate £800 - £1,200

A DIAMOND DRESS RING set to the centre with an old cut diamond of approximately 0.33 carats in a border of baguette cut diamonds, accented by further baguette and round brilliant cut diamonds, stamped 750, size N1/2 / 7, 4.5g. 

Estimate £800 - £1,200

A DIAMOND AND EMERALD DRESS RING set to the centre with an old cut diamond of 0.46 carats, in a concentric border of calibre cut emeralds and single cut diamonds, accented by tapered baguette and further single cut diamonds, no assay marks, size N /

Estimate £1,000 - £1,500

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with three round cut sapphires, the shoulders set with rose cut diamonds, stamped 18, size Q / 8.25, 3.2g. 

Estimate £500 - £700

AN OPAL AND DIAMOND CLUSTER RING set with an oval cabochon opal in a cluster of single cut diamonds, no assay marks, size O1/2 / 7.5, 4.1g. 

Estimate £800 - £1,200

A TAHITIAN BLACK PEARL AND DIAMOND RING set with a black pearl of 11.2mm in a cluster of tapered baguette and marquise cut diamonds, inscribed D100, stamped Pt900, size L1/2 / 6, 10.0g. 

Estimate £1,200 - £1,600

A DIAMOND FLOWER RING set with a floral cluster of round brilliant cut diamonds, accented by a border of further diamonds, the band set with further diamonds, the diamonds all totalling 1.3-1.5 carats, no assay marks, size N1/2 / 7, 6.9g. 

Estimate £1,500 - £2,500

AN ANTIQUE GEORGIAN DIAMOND AND ENAMEL MOURNING RING in yellow gold and silver, the elongated face comprising an urn motif set with rose cut diamonds and relieved in white enamel, over a blue enamel background, accented by a border of old cut diamond

Estimate £2,500 - £3,500

A BLUE TOPAZ AND DIAMOND CLUSTER RING in 18ct white gold, set with an octagonal step cut blue topaz of 2.64 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, full British hallmarks, size

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND RING set with a princess cut diamond of 3.15 carats, no assay marks, size O / 7.25, 6.3g. 

Estimate £7,000 - £9,000

A DIAMOND AND OBSIDIAN SNOWFLAKE RING the body carved from a piece of snowflake obsidian, with an applied snowflake motif set with diamonds, stamped 14K, size L / 5.75, 5.1g.

Estimate £700 - £900

A SAPPHIRE FULL ETERNITY RING set all around with a row of square step cut sapphires, no assay marks, size M1/2 / 6.5, 2.8g. 

Estimate £300 - £500

AN AMETHYST AND DIAMOND CLUSTER RING set with three oval cut amethysts in a cluster of round brilliant cut diamonds, the amethyst all totalling approximately 1.50 carats, partial British hallmarks, stamped 9K, size N1/2 / 7, 3.3g. 

Estimate £250 - £350

A RUBY AND DIAMOND RING set with an oval cabochon ruby of approximately 1.32 carats, accented by pave set round brilliant cut diamonds, stamped 750, size K / 5.25, 7.8g. 

Estimate £800 - £1,200

A RUBY, SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby and sapphire in a cluster of round cut diamonds, full British hallmarks for London 1969, size L / 5.75, 4.5g. 

Estimate £600 - £800

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with a pear cut sapphire of approximately 2.09 carats in a cluster of rose cut diamonds, no assay marks, size K1/2 / 5.5, 5.5g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire in a cluster of round brilliant cut diamonds, marked indistinctly, size L1/2 / 6, 3.7g. 

Estimate £600 - £800

NO RESERVE - A COLLECTION OF RINGS comprising a band ring in 9ct yellow gold, the band in opework design, full British hallmarks, size N / 6.75, 1.7g, a diamond ring in 9ct yellow gold, set with three rows of rose cut diamonds, full British hallmarks

Estimate £200 - £300