Lot 14

A DIAMOND ENGAGEMENT RING set with an old European ...

Lot 14

A DIAMOND ENGAGEMENT RING set with an old European ...

Estimate £500 - £700


Description

A DIAMOND ENGAGEMENT RING set with an old European cut diamond of approximately 0.61 carats, accented by old cut diamonds, stamped 100IRID.900PLAT, size K1/2 / 5.5, 4.2g. 

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Estimated Shipping Costs


General delivery information available from the auctioneer

We are pleased to offer a comprehensive shipping service, in which all items are sent insured to their full value. Our shipping costs are as follows:

(i) Domestic UK packages are charged according to the below pricing bands, dependent on the invoice amount:

Band A - £1 - £2,500. Cost is £20.00
Band A - £2,501 - £4,000. Cost is £30.00
Band B - £4,001 - £6,000 Cost is £40.00
Band C- £6,001 - £8,000 Cost is £50.00
Band D - £8,001 - £10,000 Cost is £60.00
Band E - £10,001 - £15,000 Cost is £70.00
Band F - £15,001 and above Cost is £80.00

International Packages are charged as follows:

i) Up to £250 in value charged at £30.00 per package;
ii) In excess of £250 in value charged at £40.00 per package plus insurance at a rate of 1% of the total purchase price.

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LOT 2

AN ANTIQUE SYNTHETIC RUBY AND DIAMOND GYPSY RING in 18ct yellow gold, set with a round cut synthetic ruby and two old cut diamonds within star shaped borders, stamped 18, size M1/2 / 6.5, 4.1g. 

AN ANTIQUE SYNTHETIC RUBY AND DIAMOND GYPSY RING in 18ct yellow gold, set with a round cut synthetic ruby and two old cut diamonds within star shaped borders, stamped 18, size M1/2 / 6.5, 4.1g. 

Estimate £250 - £350

LOT 4

AN ANTIQUE SOLITAIRE DIAMOND RING set with an old cut diamond of approximately 0.56 carats, the shoulders set with single cut diamonds, no assay marks, size I / 4.25, 2.4g. 

AN ANTIQUE SOLITAIRE DIAMOND RING set with an old cut diamond of approximately 0.56 carats, the shoulders set with single cut diamonds, no assay marks, size I / 4.25, 2.4g. 

Estimate £300 - £500

LOT 6

AN ANTIQUE DIAMOND NAVETTE RING in 18ct yellow gold, the navette shaped ring set with old cut diamonds, the diamonds totalling 1.3-1.5 carats, stamped 18, size N / 6.75, 6.0g. 

AN ANTIQUE DIAMOND NAVETTE RING in 18ct yellow gold, the navette shaped ring set with old cut diamonds, the diamonds totalling 1.3-1.5 carats, stamped 18, size N / 6.75, 6.0g. 

Estimate £600 - £800

LOT 10

AN ANTIQUE DIAMOND HORSESHOE RING in yellow gold, designed as a horseshoe set with old cut diamonds, no assay marks, size P1/2 / 8, 3.7g. 

AN ANTIQUE DIAMOND HORSESHOE RING in yellow gold, designed as a horseshoe set with old cut diamonds, no assay marks, size P1/2 / 8, 3.7g. 

Estimate £300 - £500

LOT 12

A RUBY AND DIAMOND BAND RING set with an oval cabochon ruby accented on each side by a round brilliant cut diamond, stamped 18K, size U / 10.25, 6.4g. 

A RUBY AND DIAMOND BAND RING set with an oval cabochon ruby accented on each side by a round brilliant cut diamond, stamped 18K, size U / 10.25, 6.4g. 

Estimate £300 - £500

LOT 16

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 1.31 carats in a border of round brilliant and baguette cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.4-0.5 carats, stamped 75

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 1.31 carats in a border of round brilliant and baguette cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.4-0.5 carats, stamped 75

Estimate £2,000 - £3,000

LOT 18

A DIAMOND HALF ETERNITY RING set with a row of baguette cut diamonds between rows of round brilliant cut diamonds, the diamonds totalling 1.07 carats, inscribed D1.07ct, stamped 18K 750, size K1/2 / 5.5, 4.7g. 

A DIAMOND HALF ETERNITY RING set with a row of baguette cut diamonds between rows of round brilliant cut diamonds, the diamonds totalling 1.07 carats, inscribed D1.07ct, stamped 18K 750, size K1/2 / 5.5, 4.7g. 

Estimate £1,000 - £1,500

LOT 22

AN ANTIQUE VICTORIAN RUBY RING in 22ct yellow gold, set with a round cut ruby in a star shaped border, full British hallmarks for Birmingham 1883, size Q / 8.25, 3.7g. 

AN ANTIQUE VICTORIAN RUBY RING in 22ct yellow gold, set with a round cut ruby in a star shaped border, full British hallmarks for Birmingham 1883, size Q / 8.25, 3.7g. 

Estimate £300 - £500

LOT 26

A RUBY, SAPPHIRE AND DIAMOND DRESS RING set with a row of square step cut rubies terminating in trios of round brilliant cut diamonds, accented by round cabochon sapphires, stamped 750, size L1/2 / 6, 4.3g.

A RUBY, SAPPHIRE AND DIAMOND DRESS RING set with a row of square step cut rubies terminating in trios of round brilliant cut diamonds, accented by round cabochon sapphires, stamped 750, size L1/2 / 6, 4.3g.

Estimate £300 - £500

LOT 31

A VINTAGE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a marquise shaped cabochon opal in a cluster of round brilliant cut diamonds, the diamonds totalling 0.9-1.0 carat, full British hallmarks for London 1977, size P / 7.75, 13.5g. 

A VINTAGE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a marquise shaped cabochon opal in a cluster of round brilliant cut diamonds, the diamonds totalling 0.9-1.0 carat, full British hallmarks for London 1977, size P / 7.75, 13.5g. 

Estimate £1,000 - £1,500

LOT 34

A DIAMOND HALF ETERNITY RING half set with a row of round brilliant cut diamonds, the diamonds totalling 1.3-1.4 carats, stamped 18CT, size P / 7.75, 5.1g. 

A DIAMOND HALF ETERNITY RING half set with a row of round brilliant cut diamonds, the diamonds totalling 1.3-1.4 carats, stamped 18CT, size P / 7.75, 5.1g. 

Estimate £400 - £600

LOT 37

A BLUE TOPAZ AND DIAMOND DRESS RING set with a square step cut blue topaz of approximately 16.61 carats accented by princess cut diamonds, the bifurcated band set with round brilliant cut diamonds, stamped 18K, size M / 6.25, 9.1g. 

A BLUE TOPAZ AND DIAMOND DRESS RING set with a square step cut blue topaz of approximately 16.61 carats accented by princess cut diamonds, the bifurcated band set with round brilliant cut diamonds, stamped 18K, size M / 6.25, 9.1g. 

Estimate £600 - £800

LOT 40

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 2.83 carats in a cluster of round brilliant and tapered baguette cut diamonds, stamped 750, size O / 7.25, 4.0g. 

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 2.83 carats in a cluster of round brilliant and tapered baguette cut diamonds, stamped 750, size O / 7.25, 4.0g. 

Estimate £2,000 - £3,000

LOT 47

A COLLECTION OF RINGS comprising a diamond cluster ring in yellow gold and silver, set with an old European cut diamond in a cluster of old and single cut diamonds, no assay marks, size L / 5.75 1.6g, a diamond gypsy ring in yellow gold, set with thr

A COLLECTION OF RINGS comprising a diamond cluster ring in yellow gold and silver, set with an old European cut diamond in a cluster of old and single cut diamonds, no assay marks, size L / 5.75 1.6g, a diamond gypsy ring in yellow gold, set with thr

Estimate £300 - £500

LOT 50

TWO ANTIQUE RINGS comprising a sardonyx cameo and pearl ring, the cameo carved to depict a woman wearing a diadem, no assay marks, size O1/2 / 7.5, 3.0g, a French sapphire and pearl ring in 18ct yellow gold, comprising three bands set with round cut

TWO ANTIQUE RINGS comprising a sardonyx cameo and pearl ring, the cameo carved to depict a woman wearing a diadem, no assay marks, size O1/2 / 7.5, 3.0g, a French sapphire and pearl ring in 18ct yellow gold, comprising three bands set with round cut

Estimate £250 - £350

LOT 53

NO RESERVE - A DIAMOND RING set with single and baguette cut diamonds, stamped 100IRID.900PLAT, size L1/2 / 6, 3.0g. 

NO RESERVE - A DIAMOND RING set with single and baguette cut diamonds, stamped 100IRID.900PLAT, size L1/2 / 6, 3.0g. 

Estimate £200 - £300

LOT 59

HANS HANSEN FOR GEORG JENSEN, A GOLD BAND RING in 18ct yellow and white gold, signed Georg Jensen, signed Hans Hansen, British import marks, stamped 750, size M1/2 / 6.5, 5.9g. Accompanied by a Georg Jensen jewellery box. 

HANS HANSEN FOR GEORG JENSEN, A GOLD BAND RING in 18ct yellow and white gold, signed Georg Jensen, signed Hans Hansen, British import marks, stamped 750, size M1/2 / 6.5, 5.9g. Accompanied by a Georg Jensen jewellery box. 

Estimate £300 - £500

LOT 61

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cabochon sapphire of approximately 11.24 carats in a cluster of round brilliant cut diamonds, the diamonds totalling 1.0-1.2 carats, partial British hallmarks, stamped 750, size

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cabochon sapphire of approximately 11.24 carats in a cluster of round brilliant cut diamonds, the diamonds totalling 1.0-1.2 carats, partial British hallmarks, stamped 750, size

Estimate £800 - £1,200

LOT 66

NO RESERVE - A MULTICOLOUR SAPPHIRE AND DIAMOND RING in scrolling design, set with oval cut blue, pink, orange and green sapphires accented by round brilliant cut diamonds, stamped K18 750, size J1/2 / 5, 2.7g. 

NO RESERVE - A MULTICOLOUR SAPPHIRE AND DIAMOND RING in scrolling design, set with oval cut blue, pink, orange and green sapphires accented by round brilliant cut diamonds, stamped K18 750, size J1/2 / 5, 2.7g. 

Estimate £200 - £300

LOT 70

AN AQUAMARINE AND DIAMOND RING in platinum, set with an octagonal step cut aquamarine of 3.20 carats in a border of trapezoid cut diamonds, the diamonds totalling 1.19 carats, inscribed 3.20ct/1.19ct, partial British hallmarks, stamped PT950, size N

AN AQUAMARINE AND DIAMOND RING in platinum, set with an octagonal step cut aquamarine of 3.20 carats in a border of trapezoid cut diamonds, the diamonds totalling 1.19 carats, inscribed 3.20ct/1.19ct, partial British hallmarks, stamped PT950, size N

Estimate £3,000 - £5,000

LOT 72

TASAKI, A PEARL AND DIAMOND DRESS RING set with a cluster of five pearls accented by round brilliant cut diamonds, Tasaki maker's mark, stamped Pt900, size P1/2 / 8, 10.4g. 

TASAKI, A PEARL AND DIAMOND DRESS RING set with a cluster of five pearls accented by round brilliant cut diamonds, Tasaki maker's mark, stamped Pt900, size P1/2 / 8, 10.4g. 

Estimate £400 - £600

LOT 76

AN EMERALD BAND RING set with an octagonal step cut emerald, stamped 18Kt, size R / 8.75, 5.8g.

AN EMERALD BAND RING set with an octagonal step cut emerald, stamped 18Kt, size R / 8.75, 5.8g.

Estimate £250 - £350

LOT 81

A GREEN TOURMALINE AND DIAMOND RING in platinum, set with an octagonal step cut green tourmaline of 1.27 carats in a cluster of round brilliant and baguette cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds total

A GREEN TOURMALINE AND DIAMOND RING in platinum, set with an octagonal step cut green tourmaline of 1.27 carats in a cluster of round brilliant and baguette cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds total

Estimate £800 - £1,200

LOT 83

AN EMERALD AND DIAMOND RING set with a cabochon emerald of 3.67 carats, the band set with round brilliant cut diamonds, stamped 18K, size N1/2 / 7, 4.5g. 

AN EMERALD AND DIAMOND RING set with a cabochon emerald of 3.67 carats, the band set with round brilliant cut diamonds, stamped 18K, size N1/2 / 7, 4.5g. 

Estimate £1,200 - £1,600

LOT 86

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

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

LOT 91

AN ANTIQUE DIAMOND THREE STONE RING in 18ct yellow gold, set with three old cut diamonds all totalling 0.6-0.7 carats, full British hallmarks for Birmingham 1908, size N / 6.75, 3.3g. 

AN ANTIQUE DIAMOND THREE STONE RING in 18ct yellow gold, set with three old cut diamonds all totalling 0.6-0.7 carats, full British hallmarks for Birmingham 1908, size N / 6.75, 3.3g. 

Estimate £200 - £300

LOT 94

A RETRO SYNTHETIC RUBY AND DIAMOND RING in yellow gold, set with three old cut diamonds, the shoulders set with rectangular step cut synthetic rubies, no assay marks, size P / 7.75, 9.4g. 

A RETRO SYNTHETIC RUBY AND DIAMOND RING in yellow gold, set with three old cut diamonds, the shoulders set with rectangular step cut synthetic rubies, no assay marks, size P / 7.75, 9.4g. 

Estimate £400 - £600

LOT 96

A FIVE STONE DIAMOND RING set with five round brilliant cut diamonds, stamped 18K, size S / 9.25, 3.4g.

A FIVE STONE DIAMOND RING set with five round brilliant cut diamonds, stamped 18K, size S / 9.25, 3.4g.

Estimate £250 - £350

LOT 99

AN ANTIQUE SAPPHIRE AND DIAMOND CROSS RING in 18ct yellow gold, set with a cushion cut sapphire accented by old cut diamonds, stamped 18, size G / 3.25, 2.2g. 

AN ANTIQUE SAPPHIRE AND DIAMOND CROSS RING in 18ct yellow gold, set with a cushion cut sapphire accented by old cut diamonds, stamped 18, size G / 3.25, 2.2g. 

Estimate £200 - £300

LOT 102

TWO ANTIQUE DIAMOND RINGS comprising a Victorian diamond ring in 18ct yellow gold, set with an old cut diamond, full British hallmarks for Chester 1889, size O1/2 / 7.5, 2.7g, a five stone diamond ring in yellow gold, set with rose cut diamonds, obsc

TWO ANTIQUE DIAMOND RINGS comprising a Victorian diamond ring in 18ct yellow gold, set with an old cut diamond, full British hallmarks for Chester 1889, size O1/2 / 7.5, 2.7g, a five stone diamond ring in yellow gold, set with rose cut diamonds, obsc

Estimate £300 - £500

LOT 103

AN ANTIQUE OPAL AND EMERALD RING in yellow gold, set with a round cabochon emerald in a cluster of round cabochon opals and round cut emeralds, one stone replaced with a paste, partially obscured British hallmarks, size I1/2 / 4.5, 1.3g. 

AN ANTIQUE OPAL AND EMERALD RING in yellow gold, set with a round cabochon emerald in a cluster of round cabochon opals and round cut emeralds, one stone replaced with a paste, partially obscured British hallmarks, size I1/2 / 4.5, 1.3g. 

Estimate £200 - £300

LOT 106

AN ANTIQUE DIAMOND RING in 18ct gold, set with two rows of old cut diamonds accented by rose cut diamonds, stamped 18, size O1/2 / 7.5, 4.8g. 

AN ANTIQUE DIAMOND RING in 18ct gold, set with two rows of old cut diamonds accented by rose cut diamonds, stamped 18, size O1/2 / 7.5, 4.8g. 

Estimate £800 - £1,200

LOT 109

MIKIMOTO, A PEARL AND DIAMOND RING set with three pearls accented by round brilliant cut diamonds, Mikimoto maker's mark, stamped Pt950, size M / 6.25, 5.0g.

MIKIMOTO, A PEARL AND DIAMOND RING set with three pearls accented by round brilliant cut diamonds, Mikimoto maker's mark, stamped Pt950, size M / 6.25, 5.0g.

Estimate £300 - £500

LOT 112

A MOTHER OF PEARL, RECONSTITUTED TURQUOISE, ONYX AND DIAMOND EVIL EYE RING the navette shaped ring comprising a mother of pearl set with onyx and reconstituted turquoise in a border of round cut diamonds, the band set with further diamonds, stamped 1

A MOTHER OF PEARL, RECONSTITUTED TURQUOISE, ONYX AND DIAMOND EVIL EYE RING the navette shaped ring comprising a mother of pearl set with onyx and reconstituted turquoise in a border of round cut diamonds, the band set with further diamonds, stamped 1

Estimate £200 - £300

LOT 115

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an oval cut sapphire of 2.92 carats, accented on each side by a round brilliant cut diamond of 0.70 and 0.71 carats respectively, inscribed 2.92 .70 .71, partial British hallmarks, size K1

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an oval cut sapphire of 2.92 carats, accented on each side by a round brilliant cut diamond of 0.70 and 0.71 carats respectively, inscribed 2.92 .70 .71, partial British hallmarks, size K1

Estimate £7,000 - £9,000

LOT 118

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with a marquise cut aquamarine of 1.07 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.60 carats, inscr

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with a marquise cut aquamarine of 1.07 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.60 carats, inscr

Estimate £700 - £900

LOT 121

AN AMETHYST DRESS RING the stylised ring set with an elongated rectangular step cut amethyst, stamped 950, size M / 6.25, 63.6g. 

AN AMETHYST DRESS RING the stylised ring set with an elongated rectangular step cut amethyst, stamped 950, size M / 6.25, 63.6g. 

Estimate £3,000 - £5,000

LOT 123

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. 

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 £700 - £900

LOT 124

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a cushion cut yellow sapphire of 1.64 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.55 carat

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a cushion cut yellow sapphire of 1.64 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.55 carat

Estimate £800 - £1,200

LOT 127

NO RESERVE - A PEARL AND DIAMOND RING set with a pearl of 8.3mm accented by two round cut diamonds, stamped Pt900, size M1/2 / 6.5, 5.8g. 

NO RESERVE - A PEARL AND DIAMOND RING set with a pearl of 8.3mm accented by two round cut diamonds, stamped Pt900, size M1/2 / 6.5, 5.8g. 

Estimate £100 - £150

LOT 130

A SWEDISH DIAMOND RING in 18ct yellow gold, set with a row of rose cut diamonds, Swedish assay marks, stamped 18K, size Q1/2 / 8.5, 2.8g. 

A SWEDISH DIAMOND RING in 18ct yellow gold, set with a row of rose cut diamonds, Swedish assay marks, stamped 18K, size Q1/2 / 8.5, 2.8g. 

Estimate £600 - £800

LOT 131

A PINK TOURMALINE AND DIAMOND RING set with a faceted pink tourmaline of 10.20 carats in a border of round cut diamonds, further round cut diamonds set to the shoulders, the diamonds totalling 0.74 carats, shank stamped 18K, size P / 7.75, 7.8g. 

A PINK TOURMALINE AND DIAMOND RING set with a faceted pink tourmaline of 10.20 carats in a border of round cut diamonds, further round cut diamonds set to the shoulders, the diamonds totalling 0.74 carats, shank stamped 18K, size P / 7.75, 7.8g. 

Estimate £250 - £350

LOT 134

A GREEN TOURMALINE AND DIAMOND RING set with an octagonal step cut green tourmaline, accented by pave set single cut diamonds, with sizing band, no assay marks, size N1/2 / 7, 9.0g. 

A GREEN TOURMALINE AND DIAMOND RING set with an octagonal step cut green tourmaline, accented by pave set single cut diamonds, with sizing band, no assay marks, size N1/2 / 7, 9.0g. 

Estimate £300 - £500

LOT 136

A CITRINE AND DIAMOND DRESS RING set with three hexagonal step cut citrines in borders of round brilliant cut diamonds, the citrines all totalling 5.76 carats, stamped 18K, size N / 6.75, 6.2g. 

A CITRINE AND DIAMOND DRESS RING set with three hexagonal step cut citrines in borders of round brilliant cut diamonds, the citrines all totalling 5.76 carats, stamped 18K, size N / 6.75, 6.2g. 

Estimate £1,000 - £1,500

LOT 138

AN EMERALD AND DIAMOND CLUSTER RING set with a round cabochon emerald of approximately 1.46 carats in a cluster of round brilliant cut diamonds, no assay marks, size K / 5.25, 6.7g. 

AN EMERALD AND DIAMOND CLUSTER RING set with a round cabochon emerald of approximately 1.46 carats in a cluster of round brilliant cut diamonds, no assay marks, size K / 5.25, 6.7g. 

Estimate £350 - £550

LOT 143

A MODERNIST EMERALD AND DIAMOND RING in 18ct yellow and white gold, set with a rectangular step cut emerald accented by trios of round brilliant cut diamonds, RH&B maker's mark, full British hallmarks for Birmingham 1976, size M / 6.25, 10.3g.

A MODERNIST EMERALD AND DIAMOND RING in 18ct yellow and white gold, set with a rectangular step cut emerald accented by trios of round brilliant cut diamonds, RH&B maker's mark, full British hallmarks for Birmingham 1976, size M / 6.25, 10.3g.

Estimate £450 - £550

LOT 147

TWO ANTIQUE RINGS comprising an opal and diamond gypsy ring in 18ct yellow gold, set with round cabochon opals and round cut diamonds in star shaped borders, full British hallmarks for Birmingham 1901, size K / 5.25, 2.4g, and a coral and pearl ring

TWO ANTIQUE RINGS comprising an opal and diamond gypsy ring in 18ct yellow gold, set with round cabochon opals and round cut diamonds in star shaped borders, full British hallmarks for Birmingham 1901, size K / 5.25, 2.4g, and a coral and pearl ring

Estimate £300 - £500

LOT 155

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut emerald of approximately 1.42 carats in a cluster of round cut diamonds, control marks, size Q / 8, 4.3g. 

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut emerald of approximately 1.42 carats in a cluster of round cut diamonds, control marks, size Q / 8, 4.3g. 

Estimate £500 - £700

LOT 157

A KUNZITE AND DIAMOND DRESS RING set with an octagonal step cut kunzite of 8.38 carats in a border of round brilliant cut diamonds, inscribed 8.38ct d0.371ct, stamped Au750, size N / 6.75, 6.0g. 

A KUNZITE AND DIAMOND DRESS RING set with an octagonal step cut kunzite of 8.38 carats in a border of round brilliant cut diamonds, inscribed 8.38ct d0.371ct, stamped Au750, size N / 6.75, 6.0g. 

Estimate £800 - £1,200

LOT 160

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 1.49 carats, the band set with round brilliant cut diamonds, stamped 18K, size M1/2 / 6.5, 2.8g. 

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 1.49 carats, the band set with round brilliant cut diamonds, stamped 18K, size M1/2 / 6.5, 2.8g. 

Estimate £700 - £900

LOT 162

A DIAMOND CLUSTER RING set with a cluster of round brilliant and baguette cut diamonds, further diamonds set to the shoulders, the diamonds totalling 1.85 carats, stamped 750, size O / 7.25, 5.6g. 

A DIAMOND CLUSTER RING set with a cluster of round brilliant and baguette cut diamonds, further diamonds set to the shoulders, the diamonds totalling 1.85 carats, stamped 750, size O / 7.25, 5.6g. 

Estimate £2,000 - £3,000

LOT 164

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal step cut emerald of 0.62 carats in a border of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, inscribed 0.62ct/0.26ct, partial British hallmark

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal step cut emerald of 0.62 carats in a border of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, inscribed 0.62ct/0.26ct, partial British hallmark

Estimate £1,200 - £1,600

LOT 166

A CAT'S EYE CHRYSOBERYL AND DIAMOND RING in yellow gold, set with a round cabochon cat's eye chrysoberyl accented on each side by an old European cut diamond, no assay marks, size O / 7.25, 10.1g. 

A CAT'S EYE CHRYSOBERYL AND DIAMOND RING in yellow gold, set with a round cabochon cat's eye chrysoberyl accented on each side by an old European cut diamond, no assay marks, size O / 7.25, 10.1g. 

Estimate £1,500 - £2,500

LOT 168

A SYNTHETIC COLOUR SAPPHIRE RING in yellow gold, set with a round mixed cut synthetic colour change sapphire, no assay marks, size S1/2 / 9.25, 10.1g. 

A SYNTHETIC COLOUR SAPPHIRE RING in yellow gold, set with a round mixed cut synthetic colour change sapphire, no assay marks, size S1/2 / 9.25, 10.1g. 

Estimate £400 - £600

LOT 172

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. 

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 £150 - £250

LOT 175

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with a cushion cut aquamarine of 2.20 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.49 carats, inscri

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with a cushion cut aquamarine of 2.20 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.49 carats, inscri

Estimate £1,000 - £1,500

LOT 177

A DIAMOND RING in 18ct white gold, set with a millenium cut diamond, accented on each side by trios of further millenium cut diamonds, the diamonds all totalling approximately 1.00 carat, inscribed 45/73, partial British hallmarks, size P1/2 / 8, 4.2

A DIAMOND RING in 18ct white gold, set with a millenium cut diamond, accented on each side by trios of further millenium cut diamonds, the diamonds all totalling approximately 1.00 carat, inscribed 45/73, partial British hallmarks, size P1/2 / 8, 4.2

Estimate £400 - £600

LOT 179

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a pear cut sapphire of 1.15 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, inscribed S-1.15 D-.23, partial British hallmarks,

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a pear cut sapphire of 1.15 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, inscribed S-1.15 D-.23, partial British hallmarks,

Estimate £1,000 - £1,500

LOT 185

A SOLITAIRE DIAMOND RING in platinum, set with a princess cut diamond of 0.50 carats, full British hallmarks, size I1/2 / 4.5, 3.1g. Accompanied by a facsimile GIA report stating the diamond is G colour and VVS1 clarity. 

A SOLITAIRE DIAMOND RING in platinum, set with a princess cut diamond of 0.50 carats, full British hallmarks, size I1/2 / 4.5, 3.1g. Accompanied by a facsimile GIA report stating the diamond is G colour and VVS1 clarity. 

Estimate £400 - £600

LOT 188

A PRASIOLITE RING in 9ct white gold, set with an oval cut prasiolite, partial British hallmarks, size I1/2 / 4.5, 6.0g. 

A PRASIOLITE RING in 9ct white gold, set with an oval cut prasiolite, partial British hallmarks, size I1/2 / 4.5, 6.0g. 

Estimate £150 - £250

LOT 191

A DIAMOND FULL ETERNITY RING set all around with a row of round cut diamonds, no assay marks, size M / 6.25, 3.7g. 

A DIAMOND FULL ETERNITY RING set all around with a row of round cut diamonds, no assay marks, size M / 6.25, 3.7g. 

Estimate £300 - £500

LOT 193

A TANZANITE AND DIAMOND CLUSTER RING in platinum, set with an oval cut tanzanite of 1.32 carats in a cluster of round brilliant and baguette cut diamonds, the diamonds totalling 0.47 carats, inscribed 132-47, full British hallmarks, stamped PT950, si

A TANZANITE AND DIAMOND CLUSTER RING in platinum, set with an oval cut tanzanite of 1.32 carats in a cluster of round brilliant and baguette cut diamonds, the diamonds totalling 0.47 carats, inscribed 132-47, full British hallmarks, stamped PT950, si

Estimate £1,200 - £1,600

LOT 197

AN ANTIQUE OPAL RING in yellow gold, set with an oval cabochon opal, no assay marks, size L1/2 / 6, 4.3g. 

AN ANTIQUE OPAL RING in yellow gold, set with an oval cabochon opal, no assay marks, size L1/2 / 6, 4.3g. 

Estimate £300 - £500

LOT 199

A VINTAGE TURQUOISE DRESS RING in 18ct yellow gold, set with a cabochon turquoise, stamped 18ct, size J / 4.75, 4.7g. 

A VINTAGE TURQUOISE DRESS RING in 18ct yellow gold, set with a cabochon turquoise, stamped 18ct, size J / 4.75, 4.7g. 

Estimate £200 - £300

LOT 201

A DIAMOND NAVETTE RING in 18ct yellow gold, the navette face set with round brilliant cut diamonds, 0.4-0.5 carats, partial British hallmarks, size L1/2 / 6, 6.5g.

A DIAMOND NAVETTE RING in 18ct yellow gold, the navette face set with round brilliant cut diamonds, 0.4-0.5 carats, partial British hallmarks, size L1/2 / 6, 6.5g.

Estimate £400 - £600

LOT 203

A DIAMOND HALF ETERNITY RING in platinum, half set with a row of round brilliant cut diamonds the diamonds totalling 0.50 carats, full British hallmarks, stamped PT950, size L / 5.75, 3.8g. 

A DIAMOND HALF ETERNITY RING in platinum, half set with a row of round brilliant cut diamonds the diamonds totalling 0.50 carats, full British hallmarks, stamped PT950, size L / 5.75, 3.8g. 

Estimate £500 - £700

LOT 205

A BLACK OPAL AND DIAMOND RING set with an oval cabochon black opal, the stepped shoulders set with baguette cut diamonds, no assay marks, size N / 6.75, 4.3g. 

A BLACK OPAL AND DIAMOND RING set with an oval cabochon black opal, the stepped shoulders set with baguette cut diamonds, no assay marks, size N / 6.75, 4.3g. 

Estimate £800 - £1,200

LOT 209

NO RESERVE - A GARNET AND PASTE CLUSTER RING in 22ct yellow gold, set with an oval cut garnet in a cluster of round cut white paste stones, the stylised shoulders set with further garnets and paste stones, partial British hallmarks, size Q / 8.25, 4.

NO RESERVE - A GARNET AND PASTE CLUSTER RING in 22ct yellow gold, set with an oval cut garnet in a cluster of round cut white paste stones, the stylised shoulders set with further garnets and paste stones, partial British hallmarks, size Q / 8.25, 4.

Estimate £250 - £350

LOT 213

AN ANTIQUE ENAMEL AND PEARL MOURNING RING in yellow gold, set with three pearls in star shaped borders, relieved in black enamel, worn British hallmarks, size L1/2 / 6, 4.1g. 

AN ANTIQUE ENAMEL AND PEARL MOURNING RING in yellow gold, set with three pearls in star shaped borders, relieved in black enamel, worn British hallmarks, size L1/2 / 6, 4.1g. 

Estimate £250 - £350

LOT 215

AN ANTIQUE DIAMOND RING set with two rows of old cut diamonds, no assay marks, size N1/2 / 7, 4.0g. 

AN ANTIQUE DIAMOND RING set with two rows of old cut diamonds, no assay marks, size N1/2 / 7, 4.0g. 

Estimate £200 - £300

LOT 217

A DIAMOND AND SAPPHIRE FLOWER RING designed as a stylised flower, set to the centre with an old European cut diamond of 0.41 carats, the petals set with old cut diamonds and round cut sapphires, the bifurcated band set with single cut diamonds, stamp

A DIAMOND AND SAPPHIRE FLOWER RING designed as a stylised flower, set to the centre with an old European cut diamond of 0.41 carats, the petals set with old cut diamonds and round cut sapphires, the bifurcated band set with single cut diamonds, stamp

Estimate £1,000 - £1,500

LOT 220

A BLACK DIAMOND RING pave set all around with round cut black diamonds, stamped 18K 750, size M / 6.25, 4.0g. 

A BLACK DIAMOND RING pave set all around with round cut black diamonds, stamped 18K 750, size M / 6.25, 4.0g. 

Estimate £400 - £600

LOT 223

AN OPAL AND DIAMOND CLUSTER RING set with a pear shaped cabochon opal of 9.75 carats in a cluster of round brilliant cut diamonds, on a trifurcated band, stamped 750, size N / 6.75, 10.0g. 

AN OPAL AND DIAMOND CLUSTER RING set with a pear shaped cabochon opal of 9.75 carats in a cluster of round brilliant cut diamonds, on a trifurcated band, stamped 750, size N / 6.75, 10.0g. 

Estimate £1,200 - £1,600

LOT 226

A GREEN TOURMALINE AND DIAMOND RING set with a faceted green tourmaline of 18.44 carats, within a stylised border set with round cut diamonds, the diamonds totalling 1.40 carats, shank stamped 18K, size Q1/2 / 8.5, 17.0g. 

A GREEN TOURMALINE AND DIAMOND RING set with a faceted green tourmaline of 18.44 carats, within a stylised border set with round cut diamonds, the diamonds totalling 1.40 carats, shank stamped 18K, size Q1/2 / 8.5, 17.0g. 

Estimate £450 - £550

LOT 227

AN AQUAMARINE AND DIAMOND THREE STONE RING set with an octagonal step cut aquamarine of approximately 1.95 carats, accented on each side by a round brilliant cut diamonds, no assay marks, size N1/2 / 7, 3.4g. 

AN AQUAMARINE AND DIAMOND THREE STONE RING set with an octagonal step cut aquamarine of approximately 1.95 carats, accented on each side by a round brilliant cut diamonds, no assay marks, size N1/2 / 7, 3.4g. 

Estimate £500 - £700

LOT 230

A DIAMOND DRESS RING in openwork geometric design, set throughout with old European, round brilliant and baguette cut diamonds, the diamonds totalling 1.72 carats, no assay marks, size M / 6.25, 6.8g. 

A DIAMOND DRESS RING in openwork geometric design, set throughout with old European, round brilliant and baguette cut diamonds, the diamonds totalling 1.72 carats, no assay marks, size M / 6.25, 6.8g. 

Estimate £1,200 - £1,600

LOT 232

A DIAMOND HALF ETERNITY RING in platinum, half set with a row of round brilliant cut diamonds, the diamonds totalling 0.50 carats, full British hallmarks, stamped PT950, size L / 5.75, 7.4g. 

A DIAMOND HALF ETERNITY RING in platinum, half set with a row of round brilliant cut diamonds, the diamonds totalling 0.50 carats, full British hallmarks, stamped PT950, size L / 5.75, 7.4g. 

Estimate £600 - £800

LOT 237

AN ANTIQUE DIAMOND RING set with two rows of old cut diamonds, no assay marks, size P1/2 / 8, 2.2g.

AN ANTIQUE DIAMOND RING set with two rows of old cut diamonds, no assay marks, size P1/2 / 8, 2.2g.

Estimate £200 - £300

LOT 240

NO RESERVE - A DIAMOND HALF ETERNITY RING in 18ct white gold, set with a row of round brilliant cut diamonds, full British hallmarks, size R1/2 / 8.75, 3.8g. 

NO RESERVE - A DIAMOND HALF ETERNITY RING in 18ct white gold, set with a row of round brilliant cut diamonds, full British hallmarks, size R1/2 / 8.75, 3.8g. 

Estimate £250 - £350

LOT 244

NO RESERVE - A DIAMOND BAND RING set with round brilliant cut diamonds, no assay marks, size J / 4.75, 4.2g. 

NO RESERVE - A DIAMOND BAND RING set with round brilliant cut diamonds, no assay marks, size J / 4.75, 4.2g. 

Estimate £300 - £500

LOT 246

A THREE STONE DIAMOND RING set with an oval cut diamond accented on each side by a pear cut diamond, stamped PLT950, size M / 6.25, 4.8g.

A THREE STONE DIAMOND RING set with an oval cut diamond accented on each side by a pear cut diamond, stamped PLT950, size M / 6.25, 4.8g.

Estimate £1,200 - £1,600

LOT 250

A 2.00 CARAT SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of 2.00 carats, the shoulders set with further diamonds, stamped 750, size M1/2 / 6.5, 3.1g. 

A 2.00 CARAT SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of 2.00 carats, the shoulders set with further diamonds, stamped 750, size M1/2 / 6.5, 3.1g. 

Estimate £7,000 - £9,000

LOT 252

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with an oval cut aquamarine of 1.31 carats in a cluster of round brilliant and baguette cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.76 car

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with an oval cut aquamarine of 1.31 carats in a cluster of round brilliant and baguette cut diamonds, the shoulders set with further round brilliant cut diamonds, the diamonds totalling 0.76 car

Estimate £1,000 - £1,500

LOT 254

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 2.36 carats, in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped 14K, size N1/2 / 7, 2.0g. 

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 2.36 carats, in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped 14K, size N1/2 / 7, 2.0g. 

Estimate £300 - £500

LOT 258

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with an oval cut emerald of 1.12 carats in a cluster of round brilliant cut diamonds, inscribed 1.12ct / 0.36ct, partial British hallmarks, stamped PT950, size L / 5.75, 5.4g. 

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with an oval cut emerald of 1.12 carats in a cluster of round brilliant cut diamonds, inscribed 1.12ct / 0.36ct, partial British hallmarks, stamped PT950, size L / 5.75, 5.4g. 

Estimate £1,500 - £2,500

LOT 261

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with an oval cut aquamarine of 2.34 carats in a cluster of round brilliant cut diamonds, the diamonds totalling 1.03 carats, inscribed 2.34ct/1.03ct, partial British hallmarks, stamped PT950, si

AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with an oval cut aquamarine of 2.34 carats in a cluster of round brilliant cut diamonds, the diamonds totalling 1.03 carats, inscribed 2.34ct/1.03ct, partial British hallmarks, stamped PT950, si

Estimate £2,000 - £3,000

LOT 263

AN EMERALD AND DIAMOND THREE STONE RING set with an oval cut emerald accented on each side by a round brilliant cut diamond, stamped 750, size N / 6.75, 3.7g. 

AN EMERALD AND DIAMOND THREE STONE RING set with an oval cut emerald accented on each side by a round brilliant cut diamond, stamped 750, size N / 6.75, 3.7g. 

Estimate £200 - £300

LOT 264

A SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of 1.60 carats in a cluster of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, British import marks, stamped PT950, size M / 6.25, 4.8g. 

A SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of 1.60 carats in a cluster of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, British import marks, stamped PT950, size M / 6.25, 4.8g. 

Estimate £1,200 - £1,600

LOT 269

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.

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

LOT 271

A GREEN TOURMALINE AND DIAMOND RING set with a faceted green tourmaline of 14.65 carats, within a stylised border set with round cut diamonds, the diamonds totalling 1.78 carats, shank stamped 18K, size P / 7.75, 11.3g. 

A GREEN TOURMALINE AND DIAMOND RING set with a faceted green tourmaline of 14.65 carats, within a stylised border set with round cut diamonds, the diamonds totalling 1.78 carats, shank stamped 18K, size P / 7.75, 11.3g. 

Estimate £500 - £700

LOT 274

NO RESERVE - A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 0.50 carats, stamped 14K, size L1/2 / 6, 2.1g. 

NO RESERVE - A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 0.50 carats, stamped 14K, size L1/2 / 6, 2.1g. 

Estimate £200 - £300

LOT 276

NO RESERVE - A DIAMOND DRESS RING in abstract design, set with two rows of round brilliant cut diamonds, no assay marks, size N1/2 / 7, 6.2g. 

NO RESERVE - A DIAMOND DRESS RING in abstract design, set with two rows of round brilliant cut diamonds, no assay marks, size N1/2 / 7, 6.2g. 

Estimate £150 - £250

LOT 277

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

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

Estimate £400 - £600

LOT 279

A DIAMOND HALF ETERNITY RING in platinum, half set with a row of round brilliant cut diamonds, inscribed 0.10, full British hallmarks, size N / 6.75, 7.6g. 

A DIAMOND HALF ETERNITY RING in platinum, half set with a row of round brilliant cut diamonds, inscribed 0.10, full British hallmarks, size N / 6.75, 7.6g. 

Estimate £300 - £500

LOT 280

NO RESERVE - A GLASS FILLED RUBY AND DIAMOND RING set with a round cut glass filled within a border of round cut diamonds, signed Benchmark, stamped 14K, size M / 6.25, 2.6g. 

NO RESERVE - A GLASS FILLED RUBY AND DIAMOND RING set with a round cut glass filled within a border of round cut diamonds, signed Benchmark, stamped 14K, size M / 6.25, 2.6g. 

Estimate £100 - £150

LOT 283

A DIAMOND HALF ETERNITY RING in platinum, half set with a row of round brilliant cut diamonds, partial British hallmarks, stamped PT950, size M / 6.25, 3.1g. 

A DIAMOND HALF ETERNITY RING in platinum, half set with a row of round brilliant cut diamonds, partial British hallmarks, stamped PT950, size M / 6.25, 3.1g. 

Estimate £300 - £500

LOT 284

AN AQUAMARINE AND DIAMOND THREE STONE RING set with an octagonal step cut aquamarine of 1.62 carats between two round brilliant cut diamonds, inscribed 1.62ct / 0.29ct, stamped PT950, size M / 6.25, 5.4g. 

AN AQUAMARINE AND DIAMOND THREE STONE RING set with an octagonal step cut aquamarine of 1.62 carats between two round brilliant cut diamonds, inscribed 1.62ct / 0.29ct, stamped PT950, size M / 6.25, 5.4g. 

Estimate £1,000 - £1,500

LOT 291

A DIAMOND ELEPHANT RING designed as an elephant set with round cut diamonds, the diamonds totalling 3.49 carats, no assay marks, size M1/2 / 6.5, 13.3g. 

A DIAMOND ELEPHANT RING designed as an elephant set with round cut diamonds, the diamonds totalling 3.49 carats, no assay marks, size M1/2 / 6.5, 13.3g. 

Estimate £300 - £500

LOT 293

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 1.61 carats, accented on each side by a round brilliant cut diamond, stamped 14K, size P1/2 / 8, 4.2g. 

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 1.61 carats, accented on each side by a round brilliant cut diamond, stamped 14K, size P1/2 / 8, 4.2g. 

Estimate £300 - £500

LOT 296

AN OPAL AND DIAMOND CLUSTER RING set with an oval cabochon opal in a cluster of old cut diamonds, H E S maker's mark, stamped 18CT & PT, size M1/2 / 6.5, 4.4g. 

AN OPAL AND DIAMOND CLUSTER RING set with an oval cabochon opal in a cluster of old cut diamonds, H E S maker's mark, stamped 18CT & PT, size M1/2 / 6.5, 4.4g. 

Estimate £500 - £700

LOT 297

A RUTILLATED QUARTZ AND DIAMOND FLOWER RING designed as a flower set with an oval cut rutillated quartz, the petals pave set with round cut diamonds, the diamonds totalling 1.40 carats, shank stamped 18K, size N / 6.75, 11.7g. 

A RUTILLATED QUARTZ AND DIAMOND FLOWER RING designed as a flower set with an oval cut rutillated quartz, the petals pave set with round cut diamonds, the diamonds totalling 1.40 carats, shank stamped 18K, size N / 6.75, 11.7g. 

Estimate £350 - £450

LOT 303

AN OPAL AND DIAMOND RING set with a pear shaped faceted opal of 1.69 carats in a border of round cut diamonds, further diamonds set to the shoulders, stamped 18K, size M1/2 / 6.5, 3.0g. 

AN OPAL AND DIAMOND RING set with a pear shaped faceted opal of 1.69 carats in a border of round cut diamonds, further diamonds set to the shoulders, stamped 18K, size M1/2 / 6.5, 3.0g. 

Estimate £400 - £600

LOT 306

A TURQUOISE AND DIAMOND RING set with an oval cabochon turquoise in a border of round brilliant cut diamonds, the diamonds totalling 0.72 carats, stamped 18K, size M1/2 / 6.5, 7.0g. 

A TURQUOISE AND DIAMOND RING set with an oval cabochon turquoise in a border of round brilliant cut diamonds, the diamonds totalling 0.72 carats, stamped 18K, size M1/2 / 6.5, 7.0g. 

Estimate £1,500 - £2,500