CARTIER, A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of 0.50 carats, inscribed 0.50, signed Cartier and numbered, stamped PT950, partial British hallmarks, size K / 5.25, 6.6g.

Estimate £1,000 - £1,500

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING set with a cushion cut emerald of approximately 8.75 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 3.3-3.5 carats, stamped 14K585, size O / 7.25, 8.0g. Accompanied by a fa

Estimate £4,000 - £6,000

A GEMSET RING set with an articulated cabochon blue topaz, pink tourmaline and peridot, stamped 750, size F1/2 / 3, 16.2g. 

Estimate £600 - £800

A LILAC CHALCEDONY AND DIAMOND RING set with an oval cabochon lilac chalcedony in a border of round cut diamonds, the bifurcated band set with further round cut diamonds, the diamonds all totalling 1.14 carats, stamped 18K, size L1/2 / 6, 22.4g. 

Estimate £2,000 - £3,000

POMELLATO, A MOONSTONE AND WHITE TOPAZ STARFISH RING designed as a starfish, set throughout with round cabochon moonstones and round cut white topaz, signed Pomellato, stamped 750, size M / 6.25, 31.7g. 

Estimate £2,000 - £3,000

AN UNHEATED PURPLE SAPPHIRE AND DIAMOND THREE STONE RING set with an oval cut sapphire of approximately 2.25 carats, accented on each side by a round brilliant cut diamond, stamped 14K585, size N / 6.75, 4.3g. Accompanied by a gemmological report sta

Estimate £1,500 - £2,500

A BLUE AND PINK SAPPHIRE GYPSY RING set with an oval cut blue sapphire accented on each side by a round cut pink sapphire, the sapphires all totalling 4.75 carats, stamped 18K, size Q / 8.25, 17.4g. 

Estimate £3,000 - £5,000

A BLUE TOPAZ AND DIAMOND RING set with a fancy cut blue topaz of 37.60 carats, the shoulders set with round cut diamonds, stamped 18K, size O1/2 / 7.5, 13.6g. 

Estimate £1,200 - £1,600

A PINK TOURMALINE AND DIAMOND RING set with a cushion cut pink tourmaline of 5.03 carats in a border of round cut diamonds, the shoulders set with further round cut diamonds, stamped 18K, size M / 6.25, 4.7g. 

Estimate £1,200 - £1,600

A PINK TOURMALINE AND DIAMOND RING set with an oval cut pink tourmaline of 3.19 carats in a border of round cut diamonds, the shoulders set with further round cut diamonds, stamped 18K, size L1/2 / 6, 4.2g. 

Estimate £1,000 - £1,500

A BLUE TOPAZ, EMERALD AND DIAMOND BOMBE RING set with a cushion cut blue topaz in a border of round brilliant cut diamonds, the hammered mount set with step cut emeralds and accented by further diamonds, no assay marks, size F / 2.75, 19.4g. 

Estimate £600 - £800

A FIRE OPAL AND DIAMOND DRESS RING set with a pear cut fire opal of 3.24 carats accented by round cut diamonds, the diamonds all totalling 0.81 carats, on a bifurcated band, stamped 18K, size Q / 8.25, 6.8g. 

Estimate £1,500 - £2,500

A TURQUOISE ETERNITY RING set all around with a row of oval cabochon turquoise, stamped 18K, size O / 7.25, 4.0g. 

Estimate £500 - £700

A BURMA NO HEAT RUBY RING set with a fancy cut ruby of 2.61 carats, stamped 22K916, size M / 6.25, 2.2g. Accompanied by a gemmological report stating the ruby is of Burmese (Myanmar) origin with no indication of heat treatment. 

Estimate £2,000 - £3,000

AN OPAL AND DIAMOND RING in 18ct white gold, set with an oval cabochon opal, the shoulders set with marquise, round brilliant and baguette cut diamonds, inscribed 3.53 d0.36, partial British hallmarks, size L1/2 / 6, 4.5g.

Estimate £1,500 - £2,500

A SAPPHIRE FULL ETERNITY RING set all around with a row of oval cut sapphires, the sapphires all totalling 5.64 carats, no assay marks, size L1/2 / 6, 3.9g. 

Estimate £600 - £800

A MOTHER OF PEARL AND DIAMOND STAR RING designed as a star set with mother of pearl, in a border of round cut diamonds, stamped 14K, size M1/2 / 6.5, 5.0g. 

Estimate £400 - £600

A RUBY, EMERALD, SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, in checkerboard design set with oval cut rubies, emeralds and sapphires and round brilliant cut diamonds, full British hallmarks, size N1/2 / 7, 3.8g.

Estimate £400 - £600

TIFFANY & CO., A VINTAGE LAPIS LAZULI RING in 18ct yellow gold, comprising a square piece of lapis lazuli, the corners encased by gold, signed Tiffany France, stamped 18KT, size J1/2 / 5, 11.5g.

Estimate £3,000 - £5,000

A FINE COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 3.32 carats, accented by pave set round brilliant cut diamonds, the diamonds all totalling 1.6-2.0 carats, stamped 750, size N / 6.75, 11.7g. Accompanie

Estimate £8,000 - £12,000

A CEYLON NO HEAT YELLOW SAPPHIRE AND DIAMOND THREE STONE RING set with a fancy cut yellow sapphire of approximately 7.70 carats, accented on each side by a round brilliant cut diamond, stamped 14K585, size N / 6.75, 4.4g. Accompanied by a gemmologica

Estimate £4,000 - £6,000

HARRY WINSTON, A PAIR OF DIAMOND ETERNITY RINGS each in identical design, channel set all around with trillion and inverted trillion cut diamonds, with the diamonds all totalling 8.0-10.0 carats, HW maker's mark, stamped PT950, stamped 750, size M /

Estimate £10,000 - £15,000

A 4.02 CARAT DIAMOND RING in platinum, set with a round brilliant cut diamond of 4.02 carats in a border of round brilliant and princess cut diamonds, further round brilliant cut diamonds accenting the shoulders, full British hallmarks, size L1/2 / 6

Estimate £8,000 - £12,000

NO RESERVE - A PINK PASTE RING in 15ct yellow gold, set with an oval shaped pink paste stone, full British hallmarks, size O / 7.25, 4.4g. 

Estimate £100 - £150

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three oval cabochon opals accented by trios of old cut diamonds, AH maker's mark, stamped 18CT, size P1/2 / 8, 4.6g. 

Estimate £700 - £900

A DIAMOND AND ENAMEL PANSY RING set all around with pansy motifs relieved variously in pink, yellow, blue and purple enamel and set to the centre with a round cut diamond, accented by rope work, no assay marks, size J1/2 / 5, 8.6g. 

Estimate £1,800 - £2,200

NO RESERVE - A PEARL RING comprising a foliate band suspending a pearl, marked indistinctly, size F1/2 / 3, 4.1g. 

Estimate £80 - £120

AN ANTIQUE DIAMOD FIVE STONE RING in 18ct yellow gold, set with five old European cut diamonds, accented by rose cut diamonds, stamped 18CT, size Q / 8, 3.0g.

Estimate £600 - £800

A RETRO CITRINE AND DIAMOND RING in yellow gold and silver, set with an octagonal step cut citrine of approximately 3.72 carats, accented by rose cut diamonds, Egyptian assay marks, size L / 5.75, 6.1g. 

Estimate £100 - £150

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 7.37 carats, accented by rose cut diamonds, stamped 585, size P1/2 / 8, 5.4g. 

Estimate £600 - £800

A DIAMOND AND SAPPHIRE DRESS RING set with a round cut diamond of approximately 0.52 carats between two round cut sapphires, in a border of round cut diamonds, stamped Pt 950, size N1/2 / 7, 4.4g.

Estimate £2,000 - £3,000

A DIAMOND RING in platinum, the openwork ring set with two rows of round brilliant cut diamonds, accented by further round cut diamonds, the diamonds all totalling 1.3-1.4 carats, full British hallmarks, size L / 5.75, 16.6g. 

Estimate £1,200 - £1,600

A YELLOW DIAMOND DRESS RING set with three pear cut yellow diamonds in a border of round cut diamonds, the yellow diamonds all totalling 1.1-1.3 carats, no assay marks, size L1/2 / 6, 3.4g. 

Estimate £1,000 - £1,500

A SAPPHIRE, PINK SAPPHIRE AND DIAMOND RING in platinum, set with pear cut blue and pink sapphires in a border of round cut diamonds, the shoulders set with further round cut diamonds, the sapphires all totalling 4.5-4.7 carats, full British hallmarks

Estimate £1,200 - £1,600

NO RESERVE - A BAND RING comprising a plain band with engraved details to the sides, marked indistinctly, size I / 4.25, 3.0g. 

Estimate £80 - £120

A SAPPHIRE AND DIAMOND FLOWER RING in 18ct white gold, set with a round brilliant cut diamond in a cluster of pear cut sapphires, the shoulders set with round cut diamonds, the sapphires all totalling 3.0-3.2 carats, full British hallmarks, size M /

Estimate £600 - £800

A YELLOW SAPPHIRE AND DIAMOND RING set with an oval cut yellow sapphire accented by round cut diamonds, stamped 14K, size M / 6.25, 1.7g. 

Estimate £150 - £250

A PINK SAPPHIRE AND DIAMOND RING in platinum, set with a cushion cut pink sapphire of 1.03 carats and a cushion cut diamond of 0.52 carats, full British hallmarks, size M / 6.25, 4.0g.

Estimate £800 - £1,200

A DIAMOND BUTTERFLY RING designed as a butterfly set throughout with round cut diamonds, the diamonds all totalling 1.10 carats, stamped 14K, size M / 6.25, 5.1g. 

Estimate £500 - £700

A COLOMBIAN EMERALD AND DIAMOND RING set with a pear cut emerald of approximately 8.50 carats in a border of round brilliant cut diamonds, stamped 750, size N / 6.75, 8.8g. Accompanied by a gemmological report stating the emerald is of Colombian orig

Estimate £4,000 - £6,000

A FANCY COLOURED DIAMOND DRESS RING set with a cluster of round cut yellow, green and brown diamonds, accented by a trillion cut orange diamond and an old European cut white diamond, stamped 18ct, size O / 7.25, 4.8g.

Estimate £4,000 - £6,000

AN ORANGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut orange sapphire of 4.32 carats in a double cluster of round brilliant cut diamonds, the diamonds all totalling 1.58 carats, inscribed D1.58, full British hallmarks

Estimate £2,000 - £3,000

PIAGET, A DIAMOND POSSESSION RING set all around with four rows of round brilliant cut diamonds, one row articulated, the diamonds all totalling 4.0-4.2 carats, signed Piaget and numbered, stamped 750, size N1/2 / 7, 13.0g. 

Estimate £6,000 - £8,000

A DIAMOND DRESS RING in 9ct white gold, set with rows of baguette cut diamonds accented by round cut diamonds, inscribed 1.90, partial British hallmarks, size M / 6.25, 6.3g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND ETERNITY RING in 18ct white gold, set all around with a row of alternating French and step cut sapphires and round brilliant cut diamonds, the sapphires all totalling 2.2-2.4 carats, partial British hallmarks, size N1/2 / 7, 3.

Estimate £600 - £800

AN OPAL AND DIAMOND CLUSTER RING set with an oval cabochon opal in a cluster of round brilliant cut diamonds, no assay marks, size U / 10.25, 8.6g. 

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND HALF ETERNITY RING half set with a row of alternating rectangular step cut sapphires and baguette cut diamonds, the sapphires all totalling 1.2-1.4 carats, stamped 750, size N1/2 / 7, 3.3g.

Estimate £500 - £700

AN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald of approximately 1.37 carats in a cluster of round brilliant cut diamonds, stamped 14K585, size N1/2 / 7, 3.0g. 

Estimate £1,200 - £1,600

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut sapphire of approximately 1.86 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.8-2.0 carats, full British hallmarks, size M / 6.25, 5.6g

Estimate £1,000 - £1,500

A DIAMOND DRESS RING the openwork ring set with round brilliant and baguette cut diamonds, accented by two rows of further round brilliant cut diamonds, stamped 18K, size M / 6.25, 10.5g. 

Estimate £400 - £600

AN EMERALD AND DIAMOND HALF ETERNITY RING in 18ct white gold, half set with a row of oval cut emeralds in clusters of round cut diamonds, the emeralds all totalling 1.1-1.2 carats, full British hallmarks, size L1/2 / 6, 4.2g. 

Estimate £800 - £1,200

NO RESERVE - A SAPPHIRE ETERNITY RING set all around with a row of square step cut sapphires, no assay marks, size H / 3.75, 1.7g. 

Estimate £150 - £250

NO RESERVE - A RUSSIAN WEDDING BAND comprising three interlocking tricolour bands, stamped 9CT, size H / 3.75, 8.5g. 

Estimate £200 - £300

A DIAMOND AND SAPPHIRE CLUSTER RING in 18ct white gold, set to the centre with a round brilliant cut diamond of approximately 0.50 carats in a cluster of pear cut sapphires, accented by a double cluster of further diamonds, full British hallmarks, si

Estimate £2,000 - £3,000

NO RESERVE - A CITRINE RING set with an oval cut citrine, accented by rose cut diamonds, no assay marks, sizing beads, size I / 4.25, 15.2g. 

Estimate £200 - £300

AN AMETHYST AND DIAMOND DRESS RING set with a round cut amethyst of 31.34 carats in a border of round cut diamonds, further round cut diamonds set to the shoulders, stamped 14K, size L1/2 / 6, 13.1g.

Estimate £1,500 - £2,500

CARTIER, A TRICOLOUR GOLD BAND RING in 18ct yellow, rose and white gold, comprising three tricolour bands, inscribed '11.7.38 Viva el Rey! Viva Franco! Arriba Espana! 14.7.38', signed Cartier London, stamped 18ct, 8.6g.

Estimate £800 - £1,200

A TURQUOISE AND DIAMOND RING set with an oval cabochon turquoise in a border of round cut diamonds, the shoulders set with further round cut diamonds, stamped 18K, size M1/2 / 6.5, 5.6g. 

Estimate £800 - £1,200

A PINK TOURMALINE, SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with an oval cabochon pink tourmaline of approximately 4.23 carats, accented by marquise cut sapphires and round cut diamonds, full British hallmarks, size O / 7.25, 12.9g. 

Estimate £600 - £800

A DIAMOND AND RUBY TARGET RING set with an old cut diamond of 0.99 carats in a border of calibre cut rubies, the stepped shoulders set with round cut diamonds, engraved 0.99, no assay marks, size M / 6.25, 4.2g.

Estimate £2,500 - £3,500

AN EMERALD AND DIAMOND TANK RING set with an oval cut emerald accented on each side by a tapered baguette cut diamond, marked indistinctly, size H1/2 / 4, 22.2g. 

Estimate £1,500 - £2,500

A DIAMOND RING in platinum, set with a baguette cut diamond in a border of round brilliant cut diamonds, full British hallmarks, size I1/2 / 4.5, 3.9g. 

Estimate £300 - £500

A MOONSTONE AND DIAMOND RING set with a marquise shaped cabochon moonstone in a border of round cut diamonds, the bifurcated band set with further round cut diamonds, stamped 18K, size M / 6.25, 3.8g. 

Estimate £800 - £1,200

A STAR SAPPHIRE AND DIAMOND RING set with a round cabochon star sapphire of 6.16 carats in a border of round brilliant cut diamonds, stamped 18K, size M1/2 / 6.5, 5.7g. 

Estimate £1,000 - £1,500

NO RESERVE - A SAPPHIRE ETERNITY RING set all around with a row of French cut sapphires, no assay marks, size N1/2 / 7, 2.8g. 

Estimate £200 - £300

A WATERMELON TOURMALINE AND DIAMOND RING set with a cushion cut watermelon tourmaline of 2.07 carats in a border of round cut diamonds, the shoulders set with further round cut diamonds, stamped 14K, size M1/2 / 6.5, 3.3g. 

Estimate £150 - £250

A DIAMOND GYPSY RING set with a heart cut diamond of approximately 1.10 carats, no assay marks, size J1/2 / 5, 10.9g.

Estimate £1,500 - £2,500

A BLUE TOPAZ AND DIAMOND RING set with an hexagonal step cut blue topaz of 5.34 carats in a border of round cut diamonds, further round cut diamonds set to the bifurcated band, stamped 18K, size N / 6.75, 5.1g. 

Estimate £800 - £1,200

AN EMERALD AND DIAMOND RING / PENDANT set with a cluster of variously cut emeralds in a halo of round cut diamonds, the shoulders accented by further round cut diamonds, the ring face articulated for the ring to be used as a pendant, stamped 18K750,

Estimate £800 - £1,200

A PINK TOURMALINE AND SAPPHIRE RING in 18ct white gold, set with an oval cabochon pink tourmaline of approximately 3.33 carats, accented by pave set round cut sapphires, the sapphires all totalling 4.0-4.2 carats, full British hallmarks, size L1/2 /

Estimate £1,000 - £1,500

NO RESERVE - A RUBY ETERNITY RING set all around with a row of square step cut rubies, one stone not present, no assay marks, size O1/2 / 7.5, 1.7g. 

Estimate £150 - £250

AN EMERALD FULL ETERNITY RING set all around with a row of round cut emeralds, the emeralds all totalling 2.90 carats, no assay marks, size L / 5.75, 2.8g. 

Estimate £400 - £600

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 £1,200 - £1,600

A SAPPHIRE AND DIAMOND RING in 18ct white gold, set with pear cut sapphires accented by round cut diamonds, the sapphires all totalling 3.1-3.3 carats, full British hallmarks, size K1/2 / 5.5, 6.4g. 

Estimate £1,200 - £1,600

A BLUE TOPAZ AND GARNET RING set with a round cut blue topaz, accented on each side by a rectangular step cut garnet, no assay marks, size P1/2 / 8, 2.5g.

Estimate £250 - £350

NO RESERVE - A SET OF THREE SAPPHIRE, RUBY, EMERALD AND DIAMOND RINGS set with round cut sapphires, rubies, emeralds and diamonds, stamped 750, size M1/2 / 6.5, total weight 8.8g. 

Estimate £300 - £500

A SAPPHIRE AND DIAMOND RING in 18ct white gold, set with a row of alternating rectangular step cut sapphires and baguette cut diamonds, full British hallmarks, size N1/2 / 7, 2.9g. 

Estimate £300 - £500

A 4.03 CARAT BURMA NO HEAT RUBY AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a cushion ruby of 4.03 carats between two old cut diamonds, the diamonds all totalling 0.8-1.0 carat, full British hallmarks for London 1971, size M / 6.25, 4.

Estimate £4,000 - £6,000

AN AMETHYST AND DIAMOND DRESS RING set with an octagonal step cut amethyst of 19.14 carats in a border of round cut diamonds, further round cut diamonds set to the bifurcated band, the diamonds all totalling 1.19 carats, stamped 14K, size N1/2 / 7, 9

Estimate £1,200 - £1,600

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of approximately 2.57 carats in a cluster of round brilliant cut diamonds, stamped 14K585, size N1/2 / 7, 3.6g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND THREE STONE RING set with a cushion cut emerald of 1.77 carats accented on each side by an emerald cut diamond, stamped 18K, size N1/2 / 7, 3.1g. 

Estimate £1,800 - £2,200

NO RESERVE - A SAPPHIRE ETERNITY RING set all around with a row of square step cut sapphires, no assay marks, size O / 7.25, 1.8g. 

Estimate £150 - £250

A RUBELLITE TOURMALINE AND DIAMOND CLUSTER RING set with an oval cut rubellite tourmaline of 1.23 carats in a cluster of round brilliant cut diamonds, stamped 18K, size M1/2 / 6.5, 4.4g. 

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND BALLERINA RING set with an oval cut sapphire of approximately 2.40 carats in a double cluster of round brilliant cut diamonds, the diamonds all totalling 1.0-1.2 carats, stamped 18CT, size O1/2 / 7.5, 9.0g. 

Estimate £600 - £800

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine in a border of round brilliant and baguette cut diamonds, stamped PLAT, size P1/2 / 7.75, 3.4g.

Estimate £800 - £1,200

VAN CLEEF & ARPELS, A DIAMOND FULL ETERNITY RING set all around with princess cut diamonds all totalling 1.4-1.5 carats, signed VCA and numbered, stamped PT950, size L / 5.75, 3.8g. 

Estimate £3,000 - £5,000

A DIAMOND ENGAGEMENT RING set with a princess cut diamond of 0.72 carats in a border of round cut diamonds, the band set with further round cut diamonds, inscribed D0.997, stamped PT950, size L / 5.75, 3.4g. Accompanied by a gemmological report stati

Estimate £1,200 - £1,600

A RUBY AND DIAMOND THREE STONE RING set with an oval cut ruby of 2.74 carats, accented on each side by an oval cut diamond, the diamonds both totalling 0.77 carats, stamped 18K, size M / 6.25, 3.8g. 

Estimate £3,000 - £5,000

A TSAVORITE AND DIAMOND THREE STONE RING set with a cushion cut tsavorite garnet of 1.48 carats accented on each side by a princess cut diamond, stamped 18K, size M1/2 / 6.5, 4.2g. 

Estimate £1,500 - £2,500

A RUBY AND DIAMOND RING in platinum, set with a row of octagonal step cut rubies accented by pairs of round cut diamonds, the rubies all totalling 2.1-2.3 carats, full British hallmarks, size L1/2 / 6, 4.2g. 

Estimate £600 - £800

A DIAMOND CROSSOVER RING in platinum, set with two round brilliant cut diamonds accented by round cut diamonds, full British hallmarks, size M / 6.25, 5.0g. 

Estimate £600 - £800

AN AQUAMARINE AND DIAMOND THREE STONE RING set with an oval cut aquamarine between two round cut diamonds, stamped PLAT, size N1/2 / 7, 5.1g.

Estimate £600 - £800

A SAPPHIRE AND DIAMOND CLUSTER RING set with an octagonal step cut sapphire of approximately 2.80 carats in a cluster of round brilliant and marquise cut diamonds, stamped 18CT, size M / 6.25, 7.4g. 

Estimate £2,000 - £3,000

A RUBY AND DIAMOND CLUSTER RING set with a cushion cut ruby of 5.02 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds all totalling 1.30 carats, stamped 18K, size N / 6.75,

Estimate £7,000 - £9,000

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire accented by round cut diamonds, stamped 14K, size L1/2 / 6, 1.7g. 

Estimate £200 - £300

A DIAMOND AND EMERALD CLUSTER RING set with a round brilliant cut diamond in a cluster of marquise cut emeralds and further round brilliant cut diamonds, the diamonds all totalling 3.0-3.5 carats, stamped 18CT, size M / 6.25, 7.0g.

Estimate £2,000 - £3,000

A PINK SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut pink in a border of round brilliant and baguette cut diamonds, stamped PLAT, size O / 7.25, 3.6g.

Estimate £600 - £800

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 2.45 carats in a cluster of round brilliant cut diamonds, accented on each side by a tapered baguette cut diamond, the diamonds all totalling 1.5-1.7 carats, stamped 750, size

Estimate £1,500 - £2,500

A DIAMOND DRESS RING set with five round brilliant cut diamonds in a border of round brilliant cut diamonds, the diamonds all totalling 1.2-1.4 carats, no assay marks, size M1/2 / 6.5, 5.8g.

Estimate £1,500 - £2,500

A BURMA NO HEAT RUBY AND DIAMOND THREE STONE RING set with an oval cut ruby of 2.14 carats, accented on each side by a round brilliant cut diamond, stamped 14K585, size N / 6.75, 3.1g. Accompanied by a gemmological report stating the ruby is of Burme

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND RING in 18ct white gold, set with a row of alternating octagonal step cut sapphires and baguette cut diamonds, full British hallmarks, size N1/2 / 7, 2.8g.

Estimate £300 - £500

A GREEN SAPPHIRE AND DIAMOND RING set with an oval cut green sapphire accented by round cut diamonds, stamped 14K, size L1/2 / 6, 1.8g. 

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 £1,000 - £1,500

A PINK TOURMALINE AND DIAMOND DRESS RING set with a round cut pink tourmaline accented by round brilliant and princess cut diamonds, the diamonds all totalling 2.3-2.5 carats, stamped 585, size M / 6.25, 9.8g. 

Estimate £600 - £800