SOLANGE AZAGURY-PARTRIDGE, A REAL FAKE PLIQUE-A-JOUR ENAMEL RING in 18ct white gold, the square face and shoulders decorated with sections of blue plique-a-jour enamel, SAP maker's mark, full British hallmarks, size K / 5.25, 7.1g. 

Estimate £1,000 - £1,500

A 2.67 CARAT DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 2.67 carats, the trifurcated band accented by further round brilliant cut diamonds, full British hallmarks, size O / 7.25, 12.0g. 

Estimate £10,000 - £15,000

AN AQUAMARINE AND DIAMOND RING in white gold, set with a cushion cut aquamarine of 7.07 carats, to stylised bifurcated diamond set shoulders, set with baguette cut and single cut diamonds, stamped Au750, size O1/2 / 7.5, 5.0g.

Estimate £1,000 - £1,500

BOUCHERON, A SOLITAIRE DIAMOND RING in 18ct rose gold, set with a round brilliant cut diamond of approximately 0.20 carats, signed Boucheron, stamped Au750, size M / 6.25, 3.6g. 

Estimate £600 - £800

A PINK TOURMALINE AND DIAMOND DRESS RING in platinum, set with an octagonal mixed cut pink tourmaline of 12.03 carats in a border of round brilliant cut diamonds, further round brilliant diamonds set to the mount and the band, the diamonds all totall

Estimate £3,000 - £5,000

A DIAMOND BAND RING in 18ct white gold, pave set with three rows of round cut diamonds, signed Oro Griego, stamped 750, size L / 5.75, 7.6g. 

Estimate £400 - £600

A DIAMOND DRESS RING the geometric face set with a trio of old cut diamonds, accented throughout with single cut diamonds, no assay marks, size M1/2 / 6.5, 6.7g. 

Estimate £1,000 - £1,500

A RUBY AND DIAMOND DRESS RING in 18ct white gold, set with an oval cut ruby in a stylised border of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, inscribed R1.74ct d0.291ct, stamped Au750, size N / 6.75, 3.6

Estimate £1,000 - £1,500

A 2.10 CARAT SOLITAIRE DIAMOND RING set with an old cut diamond of 2.10 carats to a stylised mount, no assay marks, size N / 6.75, 4.2g. 

Estimate £5,000 - £7,000

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire accented by round brilliant cut diamonds, no assay marks, size P / 7.75, 3.4g. 

Estimate £600 - £800

A FIRE OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut fire opal of 1.40 carats in a cluster of round brilliant cut diamonds all totalling 0.97 carats, full British hallmarks, size M1/2 / 6.5, 5.7g. 

Estimate £2,000 - £3,000

A MODERNIST ONYX, SAPPHIRE AND DIAMOND RING in 18ct yellow and white gold, set with a piece of polished onyx in a border of alternating round cut sapphires and round cut diamonds, stamped 18CT, size J1/2 / 5, 11.0g.  

Estimate £500 - £700

A SAPPHIRE AND DIAMOND DRESS RING set with a cluster of marquise cut sapphires and brilliant cut diamonds, no assay marks, size Q / 8.25, 7.0g.

Estimate £400 - £600

A DIAMOND ENGAGEMENT RING in platinum, set with a cushion cut diamond of 1.02 carat in a double border of round cut diamonds, further round cut diamonds accenting the band, stamped PT950, size H / 3.75, 5.3g. Accompanied by a gemmological report from

Estimate £3,000 - £5,000

AN AQUAMARINE AND DIAMOND RING in 18ct white gold, set with an octagonal step cut aquamarine of 1.50 carats, the band half set with a row of round brilliant cut diamonds, full British hallmarks, size M / 6.25, 4.1g. 

Estimate £800 - £1,200

A VINTAGE PINK TOURMALINE AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut pink tourmaline of approximately 1.69 carats within a stylised border of old mine cut diamonds, no assay marks, M1/2 / 6.25, 4.4g.

Estimate £800 - £1,200

A SOLITAIRE DIAMOND RING in yellow gold, set with an old cut diamond, no assay marks, size Q1/2 / 8.5, 1.9g. 

Estimate £500 - £700

A VINTAGE DIAMOND DRESS RING in 18ct yellow and white gold, set with three old cut diamonds in trefoil formation, totalling 0.6-0.8 carats, stamped 18K 750, size N1/2 / 7, 3.8g.

Estimate £700 - £900

A RETRO SYNTHETIC RUBY AND DIAMOND RING in 18ct yellow gold, set with a row of rectangular step cut rubies accented by single cut diamonds, stamped 18K, size R1/2 / 9, 7.4g. 

Estimate £300 - £500

A DIAMOND FROG RING in yellow gold, designed as a frog set with round brilliant cut diamonds, round cut brown diamonds set to the eyes, no assay marks, size O / 7.25, 16.7g. 

Estimate £1,200 - £1,600

A VINTAGE DIAMOND RING in 18ct yellow gold, the domed face set with a cluster of round cut diamonds, stamped 18K, size M1/2 / 6.5, 8.5g. 

Estimate £400 - £600

AN AQUAMARINE AND DIAMOND RING in platinum set with an oval cut aquamarine of 9.21 carats to diamond set shoulders over a scrolled gallery, stamped Pt950, size M / 6.25, 8.2g.

Estimate £1,000 - £1,500

A VINTAGE EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an octagonal step cut emerald in a cluster of round brilliant and baguette cut diamonds, stamped 750, size N / 6, 7.0g. 

Estimate £3,000 - £5,000

AN AQUAMARINE AND DIAMOND RING in white gold, set with a cushion cut aquamarine of 6.56 carats to stylised bifurcated shoulders set with single cut diamonds, stamped Au750, size R / 8.75, 4.5g.

Estimate £1,000 - £1,500

A YELLOW SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with an oval cut yellow sapphire of 1.22 carats between two tapered baguette cut diamonds, full British hallmarks, size M / 6.25, 3.6g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND RING in yellow gold, set with three rose cut diamonds, no assay marks, size N / 6.75, 4.8g. 

Estimate £150 - £250

AN AMETHYST AND DIAMOND RING in 14ct yellow gold, set with a fancy mixed cut amethyst of approximately 50.00 carats, in a border or round brilliant cut diamonds totalling 0.7-0.8 carats, to a scrolled open work basket, stamped 585, size P1/2 / 7.75,

Estimate £1,000 - £1,500

A COLOMBIAN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 5.40 carats accented by pairs of round brilliant cut diamonds, the diamonds all totalling 0.9-1.1 carat, stamped 750, size R / 8.5, 11.0

Estimate £5,000 - £7,000

A VINTAGE TURQUOISE, LAPIS LAZULI AND DIAMOND COCKTAIL RING in 18ct yellow gold, the navette shaped face set with a round cabochon turquoise accented by polished lapis lazuli beads and round brilliant cut diamonds, stamped 18K, size L / 5.75, 26.5g. 

Estimate £1,500 - £2,500

AN ONYX, DIAMOND AND EMERALD BIRD RING in 18ct rose gold, designed as a parrot set with round cut diamonds, emeralds and onyx, stamped 750, size L / 5.75, 17.4g.

Estimate £2,000 - £3,000

A DIAMOND ENGAGEMENT RING set with an octagonal step cut diamond of approximately 1.10 carats within a cluster of old European cut diamonds, the band set with further diamonds, no assay marks, size L / 5.75, 5.4g.

Estimate £5,000 - £7,000

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut ruby of approximately 1.10 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.2-1.5 carats, stamped 750, size O / 7.25, 6.4g.

Estimate £2,000 - £3,000

A 2.15 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 2.15 carats, partial British hallmarks, size K1/2 / 5.5, 4.1g. 

Estimate £5,000 - £7,000

A KUNZITE AND DIAMOND RING in platinum, set with an octagonal step cut kunzite of 21.00 carats in a border of round brilliant and baguette cut diamonds, further round brilliant cut diamonds set to the shoulders, inscribed K21ct, stamped Pt950, size P

Estimate £1,500 - £2,500

A DIAMOND ENGAGEMENT RING in platinum, set with a heart brilliant cut diamond of 2.10 carats, the band half set with a row of princess cut diamonds, full British hallmarks, size N / 6.5, 7.2g.

Estimate £12,000 - £16,000

A RUBY AND DIAMOND CLUSTER RING in platinum, set with a cushion cut ruby between two oval cut rubies within a cluster of round brilliant cut diamonds, the diamonds totalling 1.6-1.8 carats, stamped PLAT, size P1/2 / 8, 9.2g.

Estimate £2,000 - £3,000

A DIAMOND, SYNTHETIC RUBY AND SAPPHIRE CLUSTER RING in 18ct white gold, set with a round brilliant cut diamond in a cluster of single cut diamonds and square step cut synthetic rubies and sapphires, stamped 750, size L / 5.75, 3.1g. 

Estimate £400 - £600

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an octagonal step cut emerald in a cluster of round brilliant cut diamonds, stamped 18ct., size H1/2 / 4, 6.2g. 

Estimate £400 - £600

A DIAMOND GYPSY RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.25 carats, stamped 750, size V / 10.75, 13.3g.  

Estimate £800 - £1,200

A RUBY ETERNITY RING in yellow gold, set all around with round cut rubies, no assay marks, size M / 6.25, 3.0g. 

Estimate £250 - £350

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with an octagonal step cut emerald of 4.10 carats in a cluster of round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 7.8g. 

Estimate £2,500 - £3,500

A SOLITAIRE DIAMOND RING in platinum, set with a princess cut diamond of approximately 1.00 carat, full British hallmarks, size J1/2 / 5, 5.5g.

Estimate £1,500 - £2,500

A CABOCHON STAR SAPPHIRE RING in platinum, set with an oval cabochon star sapphire of 40.83 carats, stamped Pt, size M1/2 / 6.5, 18.7g. 

Estimate £15,000 - £25,000

A RUBY AND DIAMOND THREE STONE RING in 18ct white gold, set with a round cut ruby of 0.63 carats between two round brilliant cut diamonds both totalling 0.55 carats, full British hallmarks, size M / 6.25, 3.9g. 

Estimate £1,500 - £2,500

A DIAMOND ENGAGEMENT RING in platinum, set with a cushion cut diamond of 1.04 carats in a border of round brilliant cut diamonds, the band set with further round brilliant cut diamonds, stamped PT950, size M1/2 / 6.5, 5.2g. Accompanied by a facsimile

Estimate £3,000 - £5,000

A DIAMOND RING in crossover design, set throughout with round brilliant cut diamonds, marked indistinctly, size N / 6.75, 12.8g. 

Estimate £500 - £700

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut emerald of 1.97 carats in a cluster of round brilliant cut diamonds, stamped 750, size O / 7.25, 6.1g. 

Estimate £1,500 - £2,500

AN ART DECO RUBY AND DIAMOND DRESS RING in yellow gold and platinum, the geometric face set with calibre cut rubies and rose cut diamonds, no assay marks, size N1/2 / 7, 3.0g.

Estimate £500 - £700

A DIAMOND DRESS RING in yellow gold and platinum, the openwork face set with old and rose cut diamonds, no assay marks, size O / 7.25, 3.0g. 

Estimate £400 - £600

AN ANTIQUE TURQUOISE, DIAMOND AND ENAMEL CLUSTER RING, 19TH CENTURY in yellow gold, set with a round cabochon turquoise in a cluster of old cut diamonds, accented by black and white enamel, with a locket compartment to the reverse, no assay marks, si

Estimate £1,200 - £1,800

A LAPIS LAZULI RING in 18ct yellow gold, set with a round polished lapis lazuli in a beaded border, stamped K18, size M1/2 / 6.5, 6.1g. 

Estimate £200 - £300

A DIAMOND DRESS RING in yellow gold, the geometric face set with a round brilliant cut diamond, accented by rose cut diamonds, no assay marks, size K1/2 / 5.5, 2.4g. 

Estimate £600 - £800

AN ANTIQUE CORAL AND DIAMOND RING, EARLY 20TH CENTURY in 14ct yellow gold, the oval face set with a cabochon coral and an old cut diamond accented by further old cut diamonds, partial British hallmarks, size N1/2 / 3.9g.

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND RING set with a round cut sapphire, the shoulders set with round brilliant cut diamonds, no assay marks, size O / 7.25, 2.1g. 

Estimate £250 - £350

A SMOKEY QUARTZ RING in 18ct yellow gold, set with a faceted smokey quartz of 8.08 carats in a twisted border, inscribed 8.08ct, stamped Au750, size N / 6.75, 5.7g. 

Estimate £400 - £600

A VINTAGE SAPPHIRE DRESS RING in yellow gold, the square face set with a cushion cut sapphire, accented by engraved foliate designs, no assay marks, size K / 5.25, 8.1g. 

Estimate £500 - £700

AN ANTIQUE AMETHYST AND DIAMOND RING in yellow gold, set with a cushion cut amethyst between two old cut diamonds, no assay marks, size O1/2 / 7.5, 3.7g. 

Estimate £400 - £600