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ID #SA1206983
FOR SALE
£2,900
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Art Deco 0.73 Carat Old Cut Diamond Ring, Circa 1940
For sale by Gatsby Jewellery Ltd
for sale €3,393     $3,683
£2,900
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 276 items
  • About Us
    Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
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Id #SA1206983
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Art Deco 0.73 Carat Old Cut Diamond Ring, Circa 1940

1920 - 1940
Description

An absolutely gorgeous vintage diamond ring. The old European cut diamond in the centre is rubover set in platinum, and 'floats' within the beautifully decorative bombé shaped surround, with venting, open work detailing, engraving, and dotted with a further 14 old European and eight-cut diamonds.

Accompanied by an independent jewellery report from WGI.

Cut:  Old European cut in the centre. The smaller diamond are a mix of old European cuts and eight-cuts.

Colour:  J in the centre. The smaller diamond range from H to I.

Clarity:  The centre is VS2. The smaller diamonds range from VS2 to SI1.

Carat:  The centre is approximately 0.73 carat, with further approximate 0.10 carat in the surround.

Circa:  1940.

Size:  O 1/2 (UK) or 7 1/4 (US). Free sizing available.

Measurements:  The diamond is approximately 5.35 x 5.37mm. The ring is 13.1mm at the widest point and sits 7.1mm from the finger.

Weight:  6.83 grams.

Metal:  Platinum. Tested with a Niton DXL Precious Metal Analyzer.

Video: To view videos of this ring recorded in daylight, please either contact us or copy / paste the following link into your browser: https://gatsbyjewellery.co.uk/products/art-deco-0-73-carat-old-cut-diamond-ring-circa-1940

Date of Manufacture

Gatsby Jewellery Ltd has dated this Art Deco Diamond Ring to the 1940s.

Independent Date Guide ID 09448881
Dealer's Item Date1940s
Sellingantiques Date1940s
Sellingantiques agingItem 75-105 years old
ResultsDates match
Why Sellingantiques dated this piece to THE 1940s:
Old European cut centre stone: faceted before modern round brilliant cutting became standard.
Bombé openwork setting: arched dome outline typical of later Art Deco jewellery.
Hand-engraved scrollwork on the shoulders: soft wear to the pattern from decades of use.
Rubover bezel around the principal diamond: characteristic early to mid-twentieth-century setting technique.

This Independent Date Guide was compiled by Sellingantiques using its own proprietary system. It works only from the photographs shown on this page and is never told the date the dealer has declared. It is a guide, not a guarantee of age, and occasional errors can occur.

Reference Numbers
Sellingantiques Reference
SA1206983
Dealers Internal Reference
213414S213
Description
An absolutely gorgeous vintage diamond ring. The old European cut diamond in the centre is rubover set in platinum, and 'floats' within the beautifully decorative bombé shaped surround, with venting, open work detailing, engraving, and dotted with a further 14 old European and eight-cut diamonds.
fig 1. An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds.
fig 1. Art Deco 0.73 Carat Old Cut Diamond Ring, Circa 1940

Accompanied by an independent jewellery report from WGI.

Cut:  Old European cut in the centre. The smaller diamond are a mix of old European cuts and eight-cuts.

Colour:  J in the centre. The smaller diamond range from H to I.

fig 2. An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds.
fig 2. Art Deco 0.73 Carat Old Cut Diamond Ring, Circa 1940

Clarity:  The centre is VS2. The smaller diamonds range from VS2 to SI1.

Carat:  The centre is approximately 0.73 carat, with further approximate 0.10 carat in the surround.

Circa:  1940.

Size:  O 1/2 (UK) or 7 1/4 (US). Free sizing available.

fig 3. An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds.
fig 3. Art Deco 0.73 Carat Old Cut Diamond Ring, Circa 1940

Measurements:  The diamond is approximately 5.35 x 5.37mm. The ring is 13.1mm at the widest point and sits 7.1mm from the finger.

Weight:  6.83 grams.

Metal:  Platinum. Tested with a Niton DXL Precious Metal Analyzer.

“
Video: To view videos of this ring recorded in daylight, please either contact us or copy / paste the following link into your browser: https://gatsbyjewellery.
Gatsby Jewellery Ltd

co.uk/products/art-deco-0-73-carat-old-cut-diamond-ring-circa-1940

Date of Manufacture

Gatsby Jewellery Ltd has dated this Art Deco Diamond Ring to the 1940s.

Independent Date Report ID 09448881
Dealer's Item Date1940s
Sellingantiques dating1940s
Sellingantiques agingItem 75-105 years old
ResultsDates match
Why Sellingantiques dated this piece to the 1940s:
Old European cut centre stone: faceted before modern round brilliant cutting became standard.
Bombé openwork setting: arched dome outline typical of later Art Deco jewellery.
Hand-engraved scrollwork on the shoulders: soft wear to the pattern from decades of use.
Rubover bezel around the principal diamond: characteristic early to mid-twentieth-century setting technique.

This is an independent date report produced by Sellingantiques using its own proprietary system. The process uses the photographs shown on this page. The system is never told the date the dealer has declared. This report shows that the two dates corroborate.

Reference Numbers
Sellingantiques Ref
SA1206983
Dealers Internal Ref
213414S213
Gatsby Jewellery Ltd
Gatsby Jewellery Ltd
Sellingantiques verified Since May 2014

Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.

Dealer Profile

You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page

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An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds.
1 / 9
Archive I An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds.

Art Deco 0.73 Carat Old Cut Diamond Ring, Circa 1940

Archive II An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds. View II
Archive III An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds. View III
Archive IV An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds. View IV
Archive V An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds. View V
Archive VI An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds. View VI
Archive VII An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds. View VII
Archive VIII An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds. View VIII
Archive IX An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds. View IX
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Gatsby Jewellery Ltd

Gatsby Jewellery Ltd
Telephone 01992 842 123
Location
Gatsby Jewellery Ltd
3 Coppice Row
Theydon Bois
Essex
CM16 7ES
United Kingdom
Dealer Profile Page sellingantiques.co.uk/gatsby
Verified Since May 2014
Items For Sale 276
Items Sold 2,983
Gatsby Jewellery Ltd
Gatsby Jewellery Ltd
Verified Since May 2014
View Dealer Info
Location: Gatsby Jewellery Ltd, 3 Coppice Row, Theydon Bois, Essex, CM16 7ES, United Kingdom
Profile: sellingantiques.co.uk/gatsby
Verified
May 2014
For Sale
276
Sold
2,983
An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds.
Art Deco 0.73 Carat Old Cut Diamond Ring, circa 1940
Ref: SA1206983
An Art Deco platinum ring featuring a central round old cut diamond in a bezel setting surrounded by pierced filigree scrollwork and small accent diamonds.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1920 - 1940
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsFiligree scrollwork, Bezel setting, Pierced openwork, Old cut diamond

This platinum ring dates to the Art Deco period of 1940 and has a silver colour. The design centres on a round old cut diamond in a bezel setting, surrounded by a decorative bombé shaped mount featuring pierced openwork, filigree scrollwork, engraving, and small accent diamonds. Additional details visible include milgrain borders, patterned shoulders, and fine open metalwork framing the central stone. The ring is 13.1mm at the widest point and sits 7.1mm from the finger. Suitable for daily wear on the hand, this piece functions as a dress or engagement ring. The construction utilises durable platinum metal with a polished finish throughout the band and setting. The intricate openwork creates a light, airy profile while maintaining structural integrity for everyday use. Wearers can pair this ring with a variety of formal and casual attire to bring a vintage touch to modern jewellery collections.

FAQs

Art Deco diamond rings are defined by geometric symmetry, architectural lines, and detailed metalwork such as filigree and milgrain. Produced primarily between the 1920s and 1940s, these pieces often feature central old cut diamonds set within platinum or white gold openwork mounts.

Jewellers during the Art Deco era predominantly utilised platinum and white gold to create durable, intricate settings. Central stones were typically old European cut or transit-cut diamonds, often accented by smaller pave-set diamonds or calibrated gemstones.

Authentic pieces feature period-correct hallmarks, hand-carved filigree, die-struck mountings, and hand-cut diamonds with distinct facets such as large culets and small table facets. Machine-made reproductions often lack the subtle variations and fine edge detailing found in genuine historical examples.

An Art Deco ring functions as a focal piece when paired with minimal, modern bands or classic platinum chains. Combining intricate period metalwork with modern polished metals creates a balanced, layered fine jewellery aesthetic.

Filigree settings should be cleaned gently using warm water, mild soap, and a soft-bristled brush to remove debris from pierced openings. Ultrasonic cleaners should be avoided if smaller accent stones are loosely set, and periodic inspection by a professional jeweller is recommended.
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