A FINE CARVED TURQUOISE AND DIAMOND DRESS RING set with a diamond shaped turquoise cabochon, carved with a fluted design, accented by round brilliant cut diamonds, the diamonds all totalling 2.0-2.4 carats, no assay marks, size J1/2 / 5, 10.6g.

Estimate £2,500 - £3,500

A FINE UNHEATED PADPARADSCHA SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut padparadscha sapphire of 3.05 carats, accented by a cluster of round brilliant cut diamonds, inscribed 3.05 1.08, stamped Pt900, size K / 5.25, 7.6g. Accompanied by a

Estimate £6,000 - £8,000

CHANEL, A DIAMOND CAMÉLIA RING in 18ct white gold, designed as a camellia flower, set with round brilliant cut diamonds all totalling 5.5-6.0 carats, signed Chanel, French maker’s mark, French assay mark, stamped 750, size L1/2 / 6, 23.6g. Accompanie

Estimate £6,000 - £8,000

AN IMPORTANT COLOMBIAN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald of 3.68 carats in a cluster of round brilliant and tapered baguette cut diamonds totalling 3.8-4.4 carats, stamped 18K, size I1/2 / 4.5, 14.2g. Accompanied

Estimate £25,000 - £35,000

RIGOBERTO, A FINE BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING set with a round cut ruby of approximately 3.80 carats within a cluster of round brilliant cut diamonds totalling 3.5-4.0 carats, signed Rigoberto, ring face stamped PT, band stamped stamp

Estimate £12,000 - £18,000

A FINE ANTIQUE DIAMOND NAVETTE RING in yellow gold and silver, the navette face set throughout with old cut diamonds, the diamonds totalling 2.3-2.5 carats, stamped 18CT, size P1/2 / 8, 5.5g.  

Estimate £1,500 - £2,500

A CEYLON NO HEAT COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 7.99 carats in a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 7.7g. Accompanied by a facsimile GIA report stating that the sapph

Estimate £10,000 - £15,000

VAN CLEEF & ARPELS, A VINTAGE CHRYSOPRASE AND DIAMOND RING in 18ct yellow gold, the tapering band set with segments of polished chrysoprase, accented by round brilliant cut diamonds, signed VCA and numbered, no assay marks, size H1/2 / 4, 5.9g. 

Estimate £2,500 - £3,500

DAVID WEBB, A DIAMOND AND ENAMEL MOTIF RING the diamond shaped ring decorated with white enamel, accented by rows of round brilliant cut diamonds, signed David Webb and numbered, stamped 18K 900PT, size L1/2 / 6, 12.1g.

Estimate £2,000 - £3,000

CARTIER, AN EMERALD PANTHERE LAKARDA RING in 18ct yellow gold, designed as a coiled panther, the eyes set with pear cut emeralds, signed Cartier and numbered, French maker's mark, French assay marks, stamped 750, Cartier size 52, size N / 6.75, 21.6g

Estimate £4,000 - £6,000

BULGARI, A CERAMIC B.ZERO1 RING in 18ct rose gold, the band engraved BVLGARI BVLGARI to both sides, the centre comprising ceramic, signed Bvlgari, Italian assay marks, size K1/2 / 5.5, 9.4g. 

Estimate £600 - £800

KUTCHINSKY, A FINE AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 23.50 carats, accented by a border of round brilliant and baguette cut diamonds, the diamonds all totalling 1.8-2.0 carats, inscribed A23.5, sig

Estimate £4,000 - £6,000

A FINE UNTREATED NATURAL JADEITE JADE AND DIAMOND BALLERINA RING in platinum, set with an oval cabochon jadeite jade in a stylised border of round brilliant and tapered baguette cut diamonds, the diamonds totalling 2.83 carats, inscribed 14.03 D2.83,

Estimate £5,000 - £7,000

VAN CLEEF & ARPELS, A RARE VINTAGE ONYX, EMERALD AND DIAMOND SWAN RING in 18ct yellow gold, in crossover design, designed as two swan heads set with fluted onyx, accented by round cut emeralds and round brilliant cut diamonds, inscribed X14 0.83CT, s

Estimate £6,000 - £8,000

CARTIER, A FINE DIAMOND ENGAGEMENT RING comprising a three stone diamond engagement ring, set with a pear cut diamond of approximately 1.10 carats, accented on each side by a tapered baguette cut diamond, signed Cartier and numbered, no assay marks,

Estimate £8,000 - £12,000

A FINE BRAZILIAN ALEXANDRITE AND DIAMOND CLUSTER RING set with a cushion cut alexandrite of 1.03 carats within a cluster of round brilliant cut diamonds, further diamonds set to the shoulders, inscribed 1.037 0.56, stamped Pt950, size L1/2 / 6, 3.6g.

Estimate £8,000 - £12,000

A FINE 4.24 CARAT COLOMBIAN EMERALD AND DIAMOND THREE STONE  RING set with an octagonal step cut emerald of approximately 4.24 carats, the shoulders set with baguette cut diamonds, inscribed, E4.247 D0.446, stamped Pt900, size K1/2 / 5.5, 6.1g. Accom

Estimate £12,000 - £16,000

AN UNHEATED KASHMIR SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 1.16 carats, accented by round brilliant and tapered baguette cut diamonds, stamped 18K, size M1/2 / 6.5, 4.3g. Accompanied by a facsimile GIA report stating the sapphire

Estimate £5,000 - £7,000

BULGARI, A RUBY AND DIAMOND RING set with an octagonal step cut ruby of approximately 1.02 carats between two demilune brilliant cut diamonds, signed Bulgari, stamped 750, size N / 6.75, 8.1g. 

Estimate £8,000 - £12,000

MARINA B, A GEM SET INTERCHANGEABLE RING the plain gold band with interchangeable citrine and pink tourmaline, peridot and blue topaz, and pink tourmaline and blue topaz fittings, signed Marina B and numbered, Italian assay marks, stamped 750, size L

Estimate £1,800 - £2,200

A RUBY AND DIAMOND BALLERINA RING / PENDANT set with a cushion cut ruby of approximately 2.0 carats, within an undulating border of tapered baguette cut diamonds totalling 2.2-2.5 carats, stamped 18K, ring size O1/2 / 7.5, pendant 2.2cm, 8.2g. 

Estimate £5,000 - £7,000

BUCCELLATI, A DIAMOND FLOWER BAND RING the band comprising floral motifs set with round brilliant cut diamonds, signed Buccellati Italy and numbered, stamped 750, size M / 6.25, 8.9g. 

Estimate £2,500 - £3,500

CARTIER, A PAVED DIAMOND LOVE RING in 18ct gold, the band pave set throughout with round brilliant cut diamonds, punctuated by six screw motifs, signed Cartier and numbered, Swiss assay marks, stamped 750, size O1/2 / 7.5, 10.4g. Accompanied by a Car

Estimate £4,000 - £6,000

A FINE TSAVORITE GARNET AND DIAMOND DRESS RING set with a trillion cut tsavorite garnet of approximately 4.10 carats, the scrolling band set with round brilliant cut diamonds totalling 1.5-1.8 carats, stamped 750 18K, size N1/2 / 7, 13.7g. 

Estimate £7,000 - £9,000

AN AQUAMARINE AND DIAMOND CLUSTER RING set with an octagonal step cut aquamarine of approximately 5.85 carats in a cluster of round brilliant cut diamonds, the diamonds totalling 1.8-2.0 carats, stamped 750, size L1/2 / 6, 6.9g. 

Estimate £800 - £1,200

DE BEERS, A DIAMOND WILDFLOWER FLOWER RING in 18ct white gold, designed as a flower set with round brilliant cut diamonds, signed De Beers and numbered, partial British hallmarks, size M1/2 / 6.5, 4.3g. Accompanied by a De Beers jewellery box. 

Estimate £400 - £600

A SAPPHIRE AND DIAMOND DRESS RING set with an octagonal step cut sapphire of approximately 1.58 carats, accented by a row of baguette cut diamonds and pave set round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 8.6g.

Estimate £3,000 - £5,000

A FINE UNHEATED PINK SAPPHIRE AND DIAMOND RING set with an oval cut pink sapphire of approximately 2.36 carats accented by baguette cut diamonds, inscribed 2.364 D.046, size K / 5.25, 7.3g. Accompanied by a gemmological report stating the pink sapphi

Estimate £3,000 - £5,000

DAVID WEBB, A DIAMOND BASTILLE RING the hammered band terminating at each end with a gold stud, accented by borders of round brilliant cut diamonds, signed David Webb, stamped 18K, size K1/2 / 5.5, 10.3g. 

Estimate £2,000 - £3,000

A BURMA NO HEAT RUBY AND DIAMOND RING set with an oval cut ruby of 3.98 carats, accented on each side by an oval brilliant cut diamond, the band set with round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 5.5g. Accompanied by a facsimile

Estimate £15,000 - £20,000

A DEMANTOID GARNET AND DIAMOND RING set with an oval cut demantoid garnet of 0.45 carats in a cluster of round brilliant cut diamonds, the band accented by further diamonds, inscribed 0.453 D0.84, stamped pt900, size N / 6.75, 6.3g. 

Estimate £1,000 - £1,500

A COLOMBIAN EMERALD AND DIAMOND RING set with a pear cut emerald of approximately 8.17 carats, the border pave set with round brilliant cut diamonds all totalling 1.1-1.3 carats, stamped 750, size N / 6.75, 14.8g. Accompanied by a facsimile GIA repor

Estimate £10,000 - £15,000

A VINTAGE FRENCH RUBY, SAPPHIRE, EMERALD AND DIAMOND DRESS RING in 18ct yellow gold and platinum, the fluted band set with a spray of round cut rubies, sapphires and emeralds, accented by round brilliant cut diamonds, French assay marks, size K / 5.2

Estimate £1,500 - £2,500

SCHLUMBERGER FOR TIFFANY & CO., A DIAMOND BAND RING the wide band in ropework design, accented by X motifs set with round brilliant cut diamonds, signed Tiffany & Co., signed Schlumberger, stamped 750, size P1/2 / 8, 14.9g. 

Estimate £3,000 - £5,000

AN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald of approximately 1.16 carats, accented by a double cluster of round brilliant cut diamonds totalling 2.2-2.5 carats, no assay marks, size N1/2 / 7, 9.5g. 

Estimate £3,000 - £5,000

A COLOURED DIAMOND DRESS RING set with a marquise cut fancy intense orange-yellow diamond of 0.44 carats accented by alternating sections of round brilliant cut pink and white diamonds, inscribed 0.417 D0.44 0.416, stamped Pt950, size L / 5.75, 7.5g.

Estimate £2,500 - £3,500

A KUNZITE AND DIAMOND RING set with an octagonal step cut kunzite of 6.10 carats in a halo of round brilliant cut diamonds, inscribed 6.10ct d0.165ct, stamped Pt950, size N / 6.75, 7.3g. 

Estimate £800 - £1,200

BUCCELLATI, A DIAMOND ROMBI ETERNELLE RING the openwork ring set all around with round brilliant cut diamonds totalling 1.32 carats, signed Buccellati, stamped 750 18K, size P / 7.75, 5.0g. Current retail price: £20,500.00 GBP. 

Estimate £6,000 - £8,000

TIFFANY AND CO., A T1 WIDE DIAMOND RING in 18ct white gold, designed in a 'T' shape set with round brilliant cut diamonds, signed T & Co., stamped 750, size M / 6.25, 10.8g. Accompanied by Tiffany & Co. jewellery box, December 2024 purchase receipt a

Estimate £4,000 - £6,000

ALEXIS NY, A TITANIUM AND DIAMOND FLOWER RING designed as a flower accented by rows of round brilliant cut diamonds, inscribed 0.56ct, signed Alexis NY and numbered, stamped Ti, size L / 5.75, 5.3g. 

Estimate £1,500 - £2,500

TIFFANY & CO., A GOLD 1837 BAND RING, 1997 the concave band engraved T & CO. 1837, signed Tiffany & Co. 1997, stamped 750, size J1/2 / 5, 6.7g. 

Estimate £400 - £600

AN IMPORTANT BRAZILIAN ALEXANDRITE AND DIAMOND DRESS RING set with an oval cut alexandrite of 1.94 carats, the shoulders set with round brilliant and baguette cut diamonds totalling 1.17 carats, inscribed 1.94 D1.17, stamped Pt900, size L / 5.75, 14.

Estimate £20,000 - £30,000

A SAPPHIRE AND DIAMOND DRESS RING set with a pear cut sapphire of approximately 4.60 carats accented by a cluster of round brilliant cut diamonds, the shoulders set with pear cut diamonds accented by further round brilliant cut diamonds, no assay mar

Estimate £8,000 - £12,000

A FANCY DARK ORANGE-BROWN AND WHITE DIAMOND THREE STONE RING set with a rectangular step cut fancy dark orange-brown diamond of 1.33 carats, accented on each side by an emerald cut white diamond, the white diamonds both totalling 1.65-1.75 carats, st

Estimate £3,000 - £5,000

CARTIER, A DIAMOND HIMALIA RING in 18ct yellow gold, comprising five Himala motifs each set with ten round brilliant cut diamonds, totalling approximately 1.50 carats, signed Cartier and numbered, French assay mark, stamped 750, size O / 7.25, 8.6g.

Estimate £4,000 - £6,000

AN ORANGE SAPPHIRE AND DIAMOND RING set with an oval cut orange sapphire of approximately 3.29 carats, accented by round brilliant cut diamonds, signed Jupiter, stamped PT950, size L1/2 / 6, 8.7g. 

Estimate £1,500 - £2,500

ALETTO BROTHERS, A FINE CEYLON SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of approximately 7.25 carats, accented by a cluster of round brilliant cut diamonds totalling 0.7-0.8 carats, signed A. Aletto, stamped PT950, size M1/2

Estimate £10,000 - £15,000

AN IMPERIAL TOPAZ AND DIAMOND RING set with an oval cut Imperial topaz 1.77 carats accented by trios of round brilliant cut diamonds, stamped Pt900, size Q1/2 / 8.5, 4.7g. 

Estimate £400 - £600

A VINTAGE RUBY AND DIAMOND CLUSTER RING designed as a stylised leaf, set with a cluster of round cut rubies, round brilliant and marquise cut diamonds, the rubies totalling 1.7-1.9 carats, no assay marks, with sizing band, size K1/2 / 5.5, 11.6g. 

Estimate £1,500 - £2,500

BULGARI, A DIAMOND AND MOTHER OF PEARL DIVA'S DREAM RING in 18ct white gold, the cross over ring comprising two fan motifs, set with round brilliant cut diamonds and mother of pearl, signed Bulgari, stamped 750, ring size J1/2 / 5, 3.4g. 

Estimate £800 - £1,200

AN ALEXANDRITE AND DIAMOND RING set with an oval cut alexandrite of 0.37 carats, the stylised band accented by round brilliant and marquise cut diamonds, inscribed 0.37 d0.017, stamped Pt900, size L / 5.75, 6.4g. 

Estimate £1,500 - £2,500

AN AQUAMARINE AND DIAMOND CLUSTER RING set with a cushion cut aquamarine of approximately 6.09 carats, within a double cluster of round brilliant cut diamonds totalling 1.7-1.9 carats, stamped 18K, size J1/2 / 5, 8.2g. 

Estimate £1,500 - £2,500

BUCCELLATI, A JADEITE JADE AND DIAMOND DRESS RING the openwork band set with a marquise cabochon jadeite jade, accented by three rows of round brilliant cut diamonds, signed Buccellati, stamped 750, size J / 4.75, 8.0g. 

Estimate £6,000 - £8,000

DAVID WEBB, A GOLD DRESS RING the wide band in undulating design, with a hammered finish, signed WEBB, stamped 18K, size L / 5.75, 18.7g. 

Estimate £5,000 - £7,000

BUCCELLATI, A BRUNITO BAND RING designed as a row of foliate motifs, signed Buccellati and numbered, Italian assay marks, stamped 18K 750, size J / 4.74, 5.9g. 

Estimate £700 - £900

A VINTAGE FRENCH AMETHYST AND CITRINE RING in 18ct yellow gold, set with a pear cut amethyst and citrine, French assay marks, size K / 5.25, 12.5g. 

Estimate £800 - £1,200

AN ANTIQUE BANDED AGATE CAMEO RING, 19TH CENTURY AND LATER in yellow gold, set with an oval banded agate cameo carved to depict the bust of a classical woman, within a stylised grape vine frame accented by beadwork, on a later band, no assay marks, s

Estimate £1,200 - £1,600

AN ANTIQUE ART NOUVEAU DIAMOND AND PEARL FLOWER RING designed as a stylised flower set with old European and round cut diamonds accented by a pearl of 6.5mm, the principal diamonds weighing approximately 0.58 and 0.46 carats, stamped 585, size S / 9.

Estimate £3,000 - £5,000

A DIAMOND FALCON RING in 18ct yellow gold, the fluted ring depicting a falcon, set with a round brilliant cut diamond, British import marks, stamped 18K/.750, size X / 11.5, 14.8g. 

Estimate £500 - £700

AN OPAL, SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cabochon opal within a cluster of marquise cut sapphires and round brilliant cut diamonds, the sapphires totalling 3.5-4.0 carats, the diamonds totalling 2.7-3.0 carats, no assay marks, size

Estimate £1,800 - £2,200

OSCAR HEYMAN, A SAPPHIRE AND DIAMOND DRESS RING in checkerboard design, comprising three rows of alternating square step cut sapphires and octagonal step cut diamonds, Oscar Heyman maker's mark and numbered, stamped 18K PLAT, size K / 5.25, 9.2g. 

Estimate £2,000 - £3,000

A FINE STAR SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a round cabochon star sapphire of approximately 15.50 carats, accented on each side by a round brilliant cut diamond, stamped 18K, size R / 8.75, 20.3g.

Estimate £5,000 - £7,000

A ROSE QUARTZ AND DIAMOND FLOWER RING in 18ct rose gold, set with a rose quartz carved to depict a flower set with a round brilliant cut diamond, the shoulders set with further diamonds, Italian assay marks, stamped 750, size M / 6.25, 3.4g. 

Estimate £400 - £600

CARTIER, A DIAMOND JUST UN CLOU RING in 18ct rose gold, designed as a bent nail, accented by round brilliant cut diamonds, signed Cartier and numbered, French assay marks, stamped AU750, Cartier size 59, size R1/2 / 8.75, 7.8g. Accompanied by a Carti

Estimate £1,000 - £1,500

A FANCY INTENSE ORANGE YELLOW DIAMOND DRESS RING set with a marquise cut yellow diamond of approximately 3.39 carats in a border of round brilliant cut diamonds, the band set with further diamonds, PT950 18K, size L / 5.75, 10.2g. Accompanied by a fa

Estimate £18,000 - £22,000

AN ART DECO SAPPHIRE AND DIAMOND TARGET RING set with a round cut sapphire of approximately 0.80 carats within a border of old cut diamonds and calibre cut sapphires, no assay marks, size K1/2 / 5.5, 2.3g. 

Estimate £600 - £800

OSCAR HEYMAN, A SAPPHIRE AND DIAMOND DRESS RING set with two interlocking rows of round cut sapphires and tapered baguette cut diamonds, Oscar Heyman maker's mark and numbered, stamped IRID.PLAT., size K1/2 / 5.5, 7.4g.

Estimate £2,500 - £3,500

AN AQUAMARINE AND DIAMOND RING set with an oval cut aquamarine of 3.10 carats in a halo of round brilliant cut diamonds, inscribed 3.108ct d0.299ct, stamped Pt950, size N / 6.76, 5.2g. 

Estimate £600 - £800

BULGARI, A DIAMOND ASTRALE FIREWORKS RING designed as an articulated spray of rectangular links accented by gold beads, set with round brilliant cut diamonds, signed Bulgari, Italian assay marks, stamped 750, size J1/2 / 5, 7.0g. 

Estimate £2,000 - £3,000

CARTIER, A DIAMOND LANIERES RING in 18ct white gold, set with a row of round brilliant cut diamonds, signed Cartier and numbered, stamped 750, Cartier size 52, size L / 5.75, 4.6g. Accompanied by a Cartier travel pouch 

Estimate £1,500 - £2,500

A DEMANTOID GARNET AND DIAMOND THREE STONE RING set with an oval cut demantoid garnet of 1.73 carats, accented on each side by a round brilliant cut diamond, inscribed 1.73 0.21, stamped K18WG, size O1/2 / 7.5, 4.1g. 

Estimate £1,800 - £2,200

A VINTAGE TURQUOISE DRESS RING in yellow gold, set with an oval cabochon turquoise in a cannetille border, no assay marks, size J / 4.75, 7.8g. 

Estimate £800 - £1,200

A GREEN TOURMALINE AND DIAMOND RING set with an oval cut green tourmaline of 5.84 carats in a stylised border set with round cut diamonds, inscribed 5.84 D0.25, stamped Pt900 K18, size L / 5.75, 12.3g. 

Estimate £1,500 - £2,500

A DIAMOND DRESS RING pave set with round brilliant cut diamonds totalling 2.1-2.3 carats, stamped 18K 750, size P / 7.75, 24.5g. 

Estimate £2,000 - £3,000

AN INDICOLITE TOURMALINE AND DIAMOND CLUSTER RING set with an oval cut tourmaline of 2.83 carats accented by a cluster of round brilliant cut diamonds, the shoulders set with further diamonds, inscribed 2.83 045, stamped Pt900, size L1/2 / 6, 5.9g. 

Estimate £800 - £1,200

A PEARL AND DIAMOND DRESS RING set with a white pearl of 11.3mm and a black pearl of 11.3mm, the shoulders set with round brilliant cut diamonds totalling 0.96 carats, inscribed D096, stamped K18, size K / 5.25, 15.0g. 

Estimate £600 - £800

A MULTICOLOUR SAPPHIRE FULL ETERNITY RING set all around with octagonal step cut blue green, yellow, orange and pink sapphires totalling 7.17 carats, inscribed S7.17, stamped 750, size N / 6.75, 5.0g. 

Estimate £2,500 - £3,500

AN AMETHYST AND DIAMOND DRESS RING set with an oval cut amethyst of approximately 9.62 carats, within a stylised border set with round brilliant cut diamonds, further diamonds set to the shoulders, stamped 18K, size N / 6.75, 15.2g. 

Estimate £1,500 - £2,000

A BLUE TOPAZ DRESS RING in 18ct white gold, set with an octagonal step cut blue topaz of approximately 11.09 carats, accented on each side by a further blue topaz, the blue topaz totalling 14.0-14.5 carats, PJ maker's mark, partial British hallmarks,

Estimate £600 - £800