A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut sapphire of approximately 1.36 carats in a cluster of round brilliant cut diamonds, full British hallmarks for London 1981, size L1/2 / 6, 4.0g.

Estimate £300 - £500

A DIAMOND FULL ETERNITY RING in 18ct white gold, set all around with a row of round brilliant cut diamonds, the diamonds all totalling 1.6-1.8 carats, partial British hallmarks, size M1/2/ 6.5, 3.6g. 

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. 

Estimate £400 - £600

A PINK SAPPHIRE AND DIAMOND RING set with an oval cut pink sapphire of approximately 1.63 carats, the band set with carre cut diamonds, no assay marks, size I / 4.25, 2.9g. 

Estimate £500 - £700

H. STERN, A DIAMOND DROPS RING in 18ct white gold, comprising four bands pave set with round brilliant cut diamonds, H. Stern maker's mark, Italian assay marks, stamped 18Kt, size O / 7.25, 11.0g. Please note that a diamond is missing. 

Estimate £500 - £700

BULGARI, A DIAMOND B.ZERO1 RING in 18ct white gold, the band set with three rows of round brilliant cut diamonds, with engraved lettering 'BVLGARI' to the sides, signed Bulgari, partial British hallmarks, stamped 750, size J / 4.75, 13.0g.

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of approximately 1.07 carats in a cluster of round brilliant cut diamonds, stamped 750, size K1/2 / 5.5, 4.5g. 

Estimate £300 - £500

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 £1,000 - £1,500

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 £800 - £1,200

NO RESERVE - A PINK TOURMALINE, RUBY AND DIAMOND NAVETTE RING set with a marquise cut pink tourmaline in concentric borders of rose cut diamonds and French cut rubies, the shoulders set with further diamonds, stamped 925 and 750, size N / 6.75, 4.2g.

Estimate £300 - £500

NO RESERVE - A PINK TOURMALINE AND DIAMOND RING set with an oval cut pink tourmaline between trios of old cut diamonds, no assay marks, size M1/2 / 6.5, 2.9g. 

Estimate £300 - £500

A GLASS-FILLED YELLOW SAPPHIRE AND DIAMOND RING set with a pear facetted yellow sapphire in a border of round cut diamonds, the shoulders accented by further diamonds, band stamped 14K, size N / 6.75, 14.3g. 

Estimate £500 - £700

ELSA PERETTI FOR TIFFANY & CO., A DIAMOND HOOP RING the crossover ring accented by two round brilliant cut diamonds, signed Elsa Peretti and T&Co., stamped Au750, size K / 5.25, 2.1g. Accompanied by a Tiffany & Co. ring box, outer box and ribbon. 

Estimate £600 - £800

NO RESERVE - A GREEN TOURMALINE AND DIAMOND RING set with a cushion cut green tourmaline of approximately 2.00 carats, accented by baguette and rose cut diamonds, stamped 925 and 750, size N / 6.75, 2.6g. 

Estimate £300 - £500

H. STERN, A ROCK CRYSTAL RING set with a facetted rock crystal, the band with a brushed finish, set with a baguette cut diamond, H. Stern maker's mark, stamped 750, size O / 7.25, 16.7g. 

Estimate £1,000 - £1,500

AN INDIAN DIAMOND AND ENAMEL RING set with a flat cut diamond in a border of blue and white enamel, accented by further rose cut diamonds, no assay marks, size M1/2 / 6.5, 5.8g. 

Estimate £180 - £220

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three oval cabochon opals accented by old cut diamonds, partially obscured hallmarks for Birmingham, size M1/2 / 6.5, 2.2g. 

Estimate £250 - £350

NO RESERVE - A SAPPHIRE AND DIAMOND RING set to the centre with an oval cut sapphire in concentric borders of rose cut diamonds and calibre cut sapphires, the shoulders set with further diamonds, stamped 925 and 585, size N / 6.75, 3.3g. 

Estimate £300 - £500

AN AQUAMARINE AND DIAMOND RING set with three oval cut aquamarines in a border of round brilliant cut diamonds, inscribed 6.43ct d0.186ct, stamped Pt950, size M1/2 / 6.5, 6.2g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND CLUSTER RING set with an oval cut emerald of approximately 1.99 carats in a cluster of round brilliant cut diamonds, inscribed D0.41, stamped 14K585, size N1/2 / 7, 3.3g. 

Estimate £300 - £500

A DIAMOND ETERNITY RING set all around with a row of round cut diamonds, stamped 18K, size M1/2 / 6.5, 2.4g. 

Estimate £250 - £350

A THREE STONE RUBY AND DIAMOND RING in 18ct white gold, set with an oval cut ruby of approximately 1.89 carats, accented on each side by a pear cut diamond, partial British hallmarks, stamped 750, size M1/2 / 6.5, 3.8g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND RING in platinum, set with a round cut sapphire of approximately 2.03 carats, the stepped shoulders set with baguette cut diamonds, partial British hallmarks, stamped PT950, size L1/2 / 6, 6.6g. 

Estimate £500 - £700

A SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with an Asscher cut diamond of approximately 3.19 carats between two tapered baguette cut diamonds, partial British hallmarks, size K1/2 / 5.5, 5.7g. Accompanied by a gemmological report stating th

Estimate £10,000 - £15,000

NO RESERVE - A PINK TOURMALINE, RUBY AND DIAMOND RING set with an oval cut pink tourmaline of approximately 1.40 carats in a border of rose cut diamonds and fancy cut rubies, stamped 925 and 750 size M1/2 / 6.5, 2.5g. 

Estimate £250 - £350

NO RESERVE - TWO GEMSET RINGS comprising an antique green garnet and diamond ring, full British hallmarks for Chester 1907, size M1/2 / 6.5, 2.8g, together with an emerald and diamond ring, full British hallmarks for Birmingham 2003, size O / 7.25, 3

Estimate £300 - £500

NO RESERVE - A DIAMOND DRESS RING in 18ct yellow gold, set with a cluster of round brilliant cut diamonds, Italian assay marks, stamped 750, size H1/2 / 4, 4.6g. 

Estimate £200 - £300

AN EMERALD AND DIAMOND RING set with an oval cut emerald of approximately 1.45 carats, accented on each side by pairs of round brilliant cut diamonds, stamped 14K585, size N / 6.75, 2.3g. 

Estimate £250 - £350

A DIAMOND FULL ETERNITY RING set throughout with clusters of round brilliant cut diamonds, punctuated by pairs of further diamonds, the diamonds all totalling 2.0-2.2 carats, no assay marks, size Q / 8.25, 10.3g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND CLUSTER RING set with a cluster of old cut diamonds, no assay marks, size M1/2 / 6.5, 3.5g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of approximately 1.20 carats in a cluster of old cut diamonds, the diamonds totalling 1.2-1.4 carats, stamped 18CT, size N1/2 / 7, 5.6g. 

Estimate £2,000 - £3,000

A RUBY AND DIAMOND OWL RING designed as the head of an owl set with single cut diamonds, the eyes set with round cut rubies, no assay marks, size N / 6.75, 4.3g. 

Estimate £400 - £600

A RUBY AND DIAMOND RING set with an oval cut ruby of approximately 1.13 carats in a cluster of round brilliant cut diamonds, further round brilliant cut diamonds set to the bifurcated band, inscribed D0.78, stamped 14K585, size N1/2 / 7, 4.5g. 

Estimate £300 - £500

A PERIDOT AND DIAMOND DRESS RING set with an octagonal step cut peridot of approximately 5.81 carats in a stylised border set with round brilliant cut diamonds, stamped 18K, size O / 7.25, 5.4g. 

Estimate £1,200 - £1,600

AN AQUAMARINE AND DIAMOND RING set with a cushion mixed cut aquamarine of approximately 1.09 carats, accented by graduating baguette cut diamonds between rows of round brilliant cut diamonds, stamped 18K, size M / 6.25, 4.7g.  

Estimate £1,500 - £2,500

NO RESERVE - A COLLECTION OF FIVE RINGS comprising a cabochon amethyst ring, full British hallmarks for 9ct gold, size P / 7.5, 2.6g, an iolite toi et moi ring, full British hallmarks for 9ct gold, size J1/2 / 5, 1.7g, a diopside seven stone ring, pa

Estimate £300 - £500

A DIAMOND DRESS RING stamped 18K, comprising three free moving round brilliant cut diamonds, accented by smaller round brilliant cut diamonds, the diamonds totalling 0.8-0.9 carats, stamped 18K, size N1/2 / 7, 6.9g. 

Estimate £600 - £800

AN EMERALD AND DIAMOND RING set with an oval cut emerald of approximately 1.98 carats, accented on each side by a trio of round brilliant cut diamonds, stamped 14K585, size N1/2 / 7, 2.7g. 

Estimate £250 - £350

A PINK TOURMALINE AND DIAMOND RING in 18ct white gold, set with an oval cut pink tourmaline of approximately 1.71 carats, accented on each side by trios of round brilliant cut diamonds, full British hallmarks, size M / 6.25, 4.8g. 

Estimate £400 - £600

AN OPAL AND DIAMOND FLOWER RING set with a round cabochon opal, the petals set with round cut diamonds, band stamped 18K, size O / 7.25, 10.6g. 

Estimate £400 - £600

AN INDIAN DIAMOND AND ENAMEL RING set with a flat cut diamond in a border of red and white enamel, accented by further rose cut diamonds, no assay marks, size M / 6.25, 5.8g. 

Estimate £180 - £220

A RUBY AND DIAMOND STAR RING designed as a star set with a central round cut ruby, accented by round brilliant cut diamonds, stamped 18K, size L / 5.75, 3.4g. 

Estimate £500 - £700

A DIAMOND HALO RING set with a pear cut diamond of 1.16 carats in a halo of round brilliant cut diamonds, inscribed 1/1.16, stamped indistinctly, size M1/2 / 6.5, 3.9g. 

Estimate £1,500 - £2,500

A DIAMOND FOUR STONE RING set with four round brilliant cut diamonds totalling 4.08 carats, inscribed 4/4.08, stamped 18K, size Q / 8.25, 6.1g. 

Estimate £4,500 - £5,500

A RUBY FIVE STONE RING set with five cushion cut rubies, accented by round cut diamonds, no assay marks, size O1/2 / 7.5, 4.0g. 

Estimate £300 - £500

A DIAMOND RING set with a fancy cut diamond of 1.59 carats, surrounded by a cluster of round cut diamonds, stamped 14K, size N / 6.75, 2.6g. 

Estimate £400 - £600

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire in a cluster of round cut diamonds, full British hallmarks, size N / 6.75, 4.6g. 

Estimate £300 - £500

A DIAMOND DRESS RING designed as two interlocking bicolour bands pave set with round brilliant cut diamonds totalling 0.8-1.0 carat, CB maker's mark, stamped 750, size K1/2 / 5.5, 10.6g. 

Estimate £1,500 - £2,500

A RUBELLITE TOURMALINE AND DIAMOND RING set with a facetted rubellite tourmaline of approximately 2.66 carats, the shoulders set with trios of round brilliant cut diamonds, stamped 750, size N1/2 / 7, 3.9g. 

Estimate £400 - £600

A DIAMOND BAND RING in openwork foliate design, set with round brilliant cut diamonds all totalling 1.13 carats, inscribed D1.13ct, stamped 750, size N / 6.75, 5.5g. 

Estimate £1,000 - £1,500

A PINK SAPPHIRE AND DIAMOND TOI ET MOI RING set with an oval cut pink sapphire of approximately 1.69 carats and an illusion-set cluster of diamonds, stamped 18K, size M1/2 / 6.5, 4.7g. 

Estimate £2,500 - £3,500

A SAPPHIRE AND DIAMOND DRESS RING set with an oval cut sapphire of approximately 1.04 carats in a border of round brilliant cut diamonds, no assay marks, size O1/2 / 7.5, 2.5g. 

Estimate £600 - £800

A BLACK OPAL AND DIAMOND RING set with an oval cabochon opal in a cluster of round brilliant and princess cut diamonds, inscribed 1.172ct D0.10ct d0.146ct, stamped Pt950, size N / 6.75, 4.6g.

Estimate £600 - £800

A BLUE TOPAZ AND DIAMOND RING in crossover design, set with an oval cut blue topaz of approximately 2.54 carats and a round brilliant cut diamond of approximately 0.50 carats, stamped 18ct, size M / 6.25, 4.4g. 

Estimate £400 - £600

AN OPAL, EMERALD AND DIAMOND DRESS RING set with an oval cabochon opal accented on each side by a round cut emerald, within a border of round brilliant cut diamonds, inscribed 2.60ct 0.503ct d0.517ct, stamped Pt950, size N / 6.76, 6.6g.

Estimate £800 - £1,200

A DIAMOND FIVE STONE RING set with five round brilliant cut diamonds, the diamonds totalling 2.4-2.6 carats, stamped 750, size N / 6.75, 6.7g. 

Estimate £2,500 - £3,500

A TANZANITE AND DIAMOND RING set with a cushion cut tanzanite of approximately 2.78 carats in a border of round brilliant cut diamonds, the band set with further diamonds, stamped 18K, size M1/2 / 6.5, 4.3g.

Estimate £800 - £1,200

AN OPAL, RUBY AND DIAMOND DRESS RING the stylised ring set to the centre with a cabochon opal of approximately 2.11 carats, set throughout with rose cut diamonds, accented on each side by a round cut ruby, band stamped 18K, size N / 6.75, 13.0g. 

Estimate £400 - £600

A TURQUOISE AND DIAMOND DRESS RING set to the centre with a cabochon turquoise in a double border of round brilliant cut diamonds, stamped 14K, N / 6.75, 3.5g. 

Estimate £600 - £800

A DIAMOND DRESS RING set with round brilliant and baguette cut diamonds, stamped 18K 750, size L1/2 / 6, 6.0g. 

Estimate £400 - £600

NO RESERVE - TWO EMERALD AND DIAMOND THREE STONE RINGS one ring set with a round cut emerald between two tapered baguette cut diamonds, full British hallmarks for 18ct gold, size N / 6.75, 2.5g, together with a ring set with an oval cut emerald betwe

Estimate £300 - £500

A SAPPHIRE AND DIAMOND HALO RING set with an oval cut sapphire of approximately 1.57 carats in a halo of round brilliant cut diamonds, the band set with further diamonds, stamped 18K, size O / 7.25, 2.5g. 

Estimate £800 - £1,200

NO RESERVE - A DIAMOND BOMBE RING the bombe face pave set with single cut diamonds, the diamonds totalling 4.0-4.5 carats, band stamped 18K, size O / 7.25, 13.0g.

Estimate £200 - £300

A SAPPHIRE AND DIAMOND DRESS RING set with a round brilliant cut diamond of approximately 0.33 carats, within a swirling border of further diamonds and round cut sapphires, the diamonds totalling 0.8-1.0 carat, stamped 18CT, sE AND DIAMOND SWIRL RING

Estimate £1,500 - £2,500

A COLLECTION OF RINGS comprising a diamond ring, stamped 14K, size L /5.75, 3.8g, together with a sapphire and diamond half eternity ring, stamped 14K, size L1/2 / 6, 2.0g. 

Estimate £300 - £500

A DIAMOND FULL ETERNITY RING set all around with a row of round cut diamonds, stamped 18K, size N1/2 / 7, 2.4g. 

Estimate £250 - £350

NO RESERVE - A CITRINE AND DIAMOND DRESS RING set with a facetted citrine in a cluster of rose cut diamonds and fancy cut citrines, the shoulders set with further diamonds, stamped 925 and 750, size N1/2 / 7, 4.3g. 

Estimate £250 - £350

A PERIDOT AND DIAMOND DRESS RING set with a cluster of pear and round brilliant cut diamonds, the bifurcated band set with further diamonds, stamped 750, size N / 6.75, 7.9g. 

Estimate £700 - £900

AN EMERALD AND DIAMOND CLUSTER RING set with an oval cut emerald of approximately 3.50 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.7-1.8 carats, stamped 750, size M1/2 / 6.5, 6.6g. 

Estimate £1,500 - £2,500

NO RESERVE - A DIAMOND DRESS RING the geometric ring set with old cut diamonds, no assay marks, size N1/2 / 7, 2.0g. 

Estimate £250 - £350

A DIAMOND CLUSTER RING set with a cluster of round brilliant cut diamonds, the diamonds all totalling 0.8-0.9 carats, partial British hallmarks, size O / 7.25, 4.4g. 

Estimate £300 - £500

A COLLECTION OF THREE RINGS comprising a solitaire diamond ring, stamped 18CT&PLAT, size M / 6.25, 2.6g, a diamond cluster ring in 9ct yellow gold, inscribed .25, partial British hallmarks, size O / 7.25, 1.8g, a sapphire and diamond ring in 9ct yell

Estimate £200 - £300

AN EMERALD AND DIAMOND RING set with a round cut emerald of approximately 0.76 carats, the band pave set with round brilliant cut diamonds, stamped 18K, size L / 5.75, 3.2g. 

Estimate £1,000 - £1,500

A DIAMOND AND SAPPHIRE RING set with a pear cut diamond of 1.00 carat, within a border of round brilliant cut diamonds and calibre cut sapphires, the shoulders set with further sapphires, inscribed D 1.006ct D 0.18ct, stamped 14K, size K1/2 / 5.5, 5.

Estimate £3,000 - £5,000

A GLASS-FILLED RUBY AND DIAMOND RING set with a facetted glass-filled ruby in a border of round cut diamonds, the shoulders set with further diamonds, band stamped 18K, size O / 7.25, 11.5g. 

Estimate £300 - £500

A SOLITAIRE DIAMOND ENGAGEMENT RING AND WEDDING BAND in 18ct white gold, the engagement ring set with a round brilliant cut diamond of approximately 0.35 carats, the trifurcated band set with further round brilliant cut diamonds, the fitted wedding b

Estimate £400 - £600

NO RESERVE - AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut emerald in a cluster of round brilliant cut diamonds, full British hallmarks, size M / 6.25, 4.0g. 

Estimate £300 - £500

TIFFANY & CO., A SAPPHIRE AND DIAMOND HALF ETERNITY RING set with a row of alternating round cut sapphires and round brilliant cut diamonds, signed Tiffany & Co., stamped 750, size K / 5.25, 3.2g. 

Estimate £400 - £500

TIFFANY & CO., AN EMERALD AND DIAMOND HALF ETERNITY RING set with a row of alternating round cut emeralds and round brilliant cut diamonds, signed Tiffany & Co., stamped 18k, size O1/2 / 7.5, 2.7g. 

Estimate £400 - £500

NO RESERVE - A CITRINE AND DIAMOND RING set with a cushion cut citrine, accented by rose cut diamonds, stamped 925 and 750, size N / 6.75, 5.6g. 

Estimate £100 - £150

A COLLECTION OF THREE RINGS comprising a diamond cluster ring, marked indistinctly, size M1/2 / 6.5, 3.7g, a vintage citrine ring in 9ct rose gold, full British hallmarks for Birmingham 1970, size M / 6.25, 7.0g, a three stone citrine ring in 9ct yel

Estimate £300 - £500

A DIAMOND HEART RING set with a heart cut diamond of approximately 0.57 carats in a halo of round brilliant cut diamonds, the band accented by further diamonds, stamped 750, size N1/2 / 7, 2.8g. 

Estimate £800 - £1,200

A SET OF THREE DIAMOND FULL ETERNITY STACKING RINGS each ring of identical design, set all around with a row of round cut diamonds, no assay marks, size R1/2 / 8.75, 5.3g. 

Estimate £120 - £160

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of approximately 1.38 carats in a border of round brilliant cut diamonds, the shoulders set with baguette and round brilliant cut diamonds, stamped 750, size O / 7.25, 3.1g. 

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of 0.34 carats, the shoulders set with further round brilliant cut diamonds, partial British hallmarks, stamped 750, size M1/2 / 6.5, 2.2g. 

Estimate £300 - £500

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of approximately 0.09 carats, full British hallmarks, stamped PT950, size H1/2 / 4, 3.9g. 

Estimate £60 - £80

NO RESERVE - A COLLECTION OF THREE RINGS comprising a pink synthetic sapphire ring, no assay marks, size K1/2 / 5.5, 8.2g, a diamond d / p initial ring, no assay marks, size N1/2 / 7, 0.5g, together with a prasiolite, diopside, pink sapphire and chry

Estimate £200 - £300