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Duke's Auctions
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Fine Jewellery, Watches, Accessories, Wines and Spirits

Sale Days:
Wednesday 25 June 2025 10:30 - 17:30 BST Starts with Lot 1
Thursday 26 June 2025 10:30 - 17:30 BST Starts with Lot 500
MoreLess information

Last date for entries: 29th May 

Head of Jewellery | Henry Wikeley

Head of Watches | Julian Smith

Head of Wines and Spirits | Michael Roberts

Auction: 

Wednesday 25th & Thursday 26th June at 10.30am


Viewing: 

Monday 23rd June 9.30am - 7pm

Tuesday 24th June 9.30am - 5pm

From 9am the day of the Auctions


Bidding:

Live bidding will be available for this auction through this website, The-Saleroom and EasyLive Auction. Please ensure your registration is completed early to avoid disappointment. Commission bidding and Telephone bidding is also available. 

Unfortunately, Duke's are unable to offer a postal or delivery service. We are pleased to recommend reputable carriers and can advise on air-freight and other forms of dispatch.

For more information please contact Duke's on +44 (0)1305 265080 or email enquiries@dukes-auctions.com.

Find our full conditions of sale here

Page:

of 32

Lots per page:

Total lots: 752

A DIAMOND CLUSTER RING
Lot 120 Unsold
A DIAMOND CLUSTER RING
in 18ct gold, set with an oval cut diamond of c.0.80 carats, surrounded by a cluster of round cut diamonds, to diamond set shoulders, full British hallmarks, size N / 54, (c.2.6g)
Estimate: £600 - £800
25 June 2025
25 June 2025
VAN CLEEF & ARPELS: A VINTAGE DIAMOND SWIRL RING
Lot 121 Unsold
VAN CLEEF & ARPELS: A VINTAGE DIAMOND SWIRL RING
in 18ct white gold, in a stylised chamfered design, set with round brilliant cut diamonds totalling c.0.80 carats, signed 'VCA', serial numbered, French assay marks, stamped '750', size L1/2 / 52, (c.10.3g)
Estimate: £3,000 - £5,000
25 June 2025
25 June 2025
A DIAMOND HALF ETERNITY RING
Lot 122 Sold
A DIAMOND HALF ETERNITY RING
in platinum, set with baguette cut and princess cut diamonds totalling c.1.00 carats, stamped 'PT950', size V / 64, (c.7.0g)
Hammer price: £600
Estimate: £600 - £800
25 June 2025
25 June 2025
CARTIER: A SAPPHIRE AND DIAMOND CLUSTER RING
Lot 123 Sold
CARTIER: A SAPPHIRE AND DIAMOND CLUSTER RING
in platinum, set with a cushion cut sapphire of c.1.25 carats, surrounded by a cluster of pear cut and round brilliant cut diamonds totalling c.1.8-2.0 carats, signed 'Cartier' (obscured), serial numbered, size P / 56, (c.6.0g), displayed in a Cartier box
Hammer price: £6,000
Estimate: £6,000 - £8,000
25 June 2025
25 June 2025
A DIAMOND ENGAGEMENT RING
Lot 124 Unsold
A DIAMOND ENGAGEMENT RING
in 18ct gold, set with an emerald cut diamond of c.0.71 carats, flanked by tapered baguette cut diamonds, full British hallmarks, size L1/2 / 52, (c.3.3g)
Estimate: £1,000 - £1,500
25 June 2025
25 June 2025
A DIAMOND DRESS RING
Lot 125 Unsold
A DIAMOND DRESS RING
in 18ct white gold, in a stylised openwork design, set with round brilliant cut diamonds, and decorated with beaded detailing, stamped '18K 750', size N / 54, (c.7.6g)
Estimate: £800 - £1,200
25 June 2025
25 June 2025
AN AMETHYST AND DIAMOND CLUSTER RING
Lot 126 Sold
AN AMETHYST AND DIAMOND CLUSTER RING
in 9ct gold, set with a step cut amethyst of c.0.86 carats, surrounded by a cluster of round brilliant cut diamonds totalling c.0.60 carats, stamped '9K', size N / 54, (c.3.5g)
Hammer price: £576
Estimate: £600 - £800
25 June 2025
25 June 2025
AN AQUAMARINE AND DIAMOND THREE STONE RING
Lot 127 Unsold
AN AQUAMARINE AND DIAMOND THREE STONE RING
in platinum, set with three oval cut aquamarines totalling c.2.13 carats, each surrounded by a border of round brilliant cut diamonds totalling c.0.43 carats, stamped 'PLAT 950', size M1/2 / 53.5, (c.6.1g)
Estimate: £1,200 - £1,800
25 June 2025
25 June 2025
ASPREY & CO.: A RUBY AND DIAMOND THREE STONE RING
Lot 128 Unsold
ASPREY & CO.: A RUBY AND DIAMOND THREE STONE RING
in 18ct white gold, set with a round cut ruby of c.0.50 carats, flanked by round brilliant cut diamonds totalling c.0.80 carats, maker's mark 'A&Co', stamped '18CT GOLD', size M1/2 / 53, (c.3.0g), verbal assessment from GCS confirming the ruby has no indications of treatment
Estimate: £1,200 - £1,800
25 June 2025
25 June 2025
A PINK TOURMALINE AND DIAMOND CLUSTER RING
Lot 129 Unsold
A PINK TOURMALINE AND DIAMOND CLUSTER RING
in platinum, set with an oval cut tourmaline of c.6.05 carats surrounded by a cluster of round brilliant cut and baguette cut diamonds totalling c.1.00 carats, stamped 'Pt950', size J1/2 / 49.5, (c.12.1g)
Estimate: £800 - £1,200
25 June 2025
25 June 2025
A VINTAGE SAPPHIRE AND DIAMOND THREE STONE RING
Lot 130 Unsold
A VINTAGE SAPPHIRE AND DIAMOND THREE STONE RING
in platinum, set with a round cut sapphire of c.1.51 carats, flanked by round brilliant cut diamonds totalling c.1.2-1.4 carats, stamped 'PLATINUM', size J1/2 / 49, (c.4.0g)
Estimate: £3,000 - £5,000
25 June 2025
25 June 2025
AN AQUAMARINE AND DIAMOND THREE STONE RING
Lot 131 Sold
AN AQUAMARINE AND DIAMOND THREE STONE RING
in platinum, set with three graduating oval cut aquamarines totalling c.4.71 carats, surrounded by a border of round brilliant cut diamonds, stamped 'Pt950', size N1/2 / 54.5, (c.6.1g)
Hammer price: £600
Estimate: £600 - £800
25 June 2025
25 June 2025
AN EMERALD AND DIAMOND PLAQUE RING
Lot 132 Unsold
AN EMERALD AND DIAMOND PLAQUE RING
in platinum, set with an oval cut emerald, to a navette shaped openwork plaque set with baguette cut and round brilliant cut diamonds, stamped 'PLAT' (obscured), size O / 55, (c.4.4g)
Estimate: £600 - £800
25 June 2025
25 June 2025
A FINE COLOMBIAN EMERALD AND DIAMOND THREE STONE RING
Lot 133 Unsold
A FINE COLOMBIAN EMERALD AND DIAMOND THREE STONE RING
in 18ct white gold, set with a step cut emerald of c.1.30 carats, flanked by round brilliant cut diamonds of c.1.09 and 1.06 carats respectively, French assay marks, size L / 51, (c.6.0g), accompanied by a gemmological report stating the emerald is of Colombian origin with indications of minor clarity enhancement
Estimate: £8,000 - £12,000
25 June 2025
25 June 2025
A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING
Lot 134 Sold
A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING
in silver on 18ct gold, set with an oval cut sapphire of c.3.70 carats, surrounded by a cluster of old cut diamonds totalling c.0.70 carats, no assay marks, size P1/2 / 57, (c.3.7g), verbal assessment from GCS stating that the sapphire is of Burmese origin with no indications of treatment
Hammer price: £3,000
Estimate: £3,000 - £5,000
25 June 2025
25 June 2025
A PINK SAPPHIRE AND DIAMOND CLUSTER RING
Lot 135 Sold
A PINK SAPPHIRE AND DIAMOND CLUSTER RING
in 18ct gold, set with an oval cut pink sapphire of c.2.40 carats, surrounded by a cluster of round brilliant cut diamonds totalling c.1.20 carats, no assay marks, size O / 55, (c.4.7g)
Hammer price: £1,500
Estimate: £1,500 - £2,500
25 June 2025
25 June 2025
A DIAMOND SOLITAIRE RING
Lot 136 Unsold
A DIAMOND SOLITAIRE RING
in platinum, set with an emerald cut diamond of c.3.63 carats, flanked by tapered baguette cut diamonds, full British hallmarks, size M / 52.5, (c.7.5g)
Estimate: £30,000 - £50,000
25 June 2025
25 June 2025
A DIAMOND HALF ETERNITY RING
Lot 137 Unsold
A DIAMOND HALF ETERNITY RING
in 18ct white gold, set with baguette cut and princess cut diamonds totalling c.1.7-1.8 carats, stamped '18K', size N / 54, (c.10.1g)
Estimate: £1,000 - £1,500
25 June 2025
25 June 2025
A DIAMOND SOLITAIRE RING
Lot 138 Sold
A DIAMOND SOLITAIRE RING
in 22ct gold, set with a round brilliant cut diamond to stylised shoulders, stamped '22CT' (obscured), size M / 52.5, (c.2.2g)
Hammer price: £120
Estimate: £100 - £150
25 June 2025
25 June 2025
A DIAMOND HALF ETERNITY RING
Lot 139 Sold
A DIAMOND HALF ETERNITY RING
in 18ct white gold, pavé-set with round brilliant cut diamonds, European control marks, stamped '750', size K / 50, (c.4.7g)
Hammer price: £400
Estimate: £400 - £600
25 June 2025
25 June 2025
A DIAMOND DRESS RING
Lot 140 Sold
A DIAMOND DRESS RING
in 18ct gold, comprising three cushion-shaped bands, set with five round brilliant cut diamonds to the central band, flanked by bands set with further round brilliant cut diamonds, stamped '750', size L / 51, (c.8.2g)
Hammer price: £460
Estimate: £500 - £700
25 June 2025
25 June 2025
AN ART DECO DIAMOND RING
Lot 141 Sold
AN ART DECO DIAMOND RING
in platinum, set with an old cut diamond of c.1.20 carats, flanked by tapered baguette cut diamonds, stamped '10% IRID. PLAT', size O1/2 / 55.5, (c.5.1g)
Hammer price: £3,600
Estimate: £3,500 - £4,500
25 June 2025
25 June 2025
A 3.97 CARAT DIAMOND SOLITAIRE RING
Lot 142 Unsold
A 3.97 CARAT DIAMOND SOLITAIRE RING
in platinum, set with a round brilliant cut diamond of c.3.97 carats, partial British hallmarks, size Q / 57,5, (c.6.4g)
Estimate: £15,000 - £20,000
25 June 2025
25 June 2025
A SAPPHIRE AND DIAMOND THREE STONE RING
Lot 143 Unsold
A SAPPHIRE AND DIAMOND THREE STONE RING
in 18ct gold, set with three step cut sapphires totalling c.2.20 carats, each surrounded by a cluster of round brilliant cut diamonds, all totalling c.0.50 carats, partial British hallmarks, stamped '18K', size P / 56, (c.5.5g)
Estimate: £2,000 - £4,000
25 June 2025
25 June 2025

Total lots: 752

Page:

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