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ID #SA1243178
FOR SALE
£3,200
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Antique 0.94 Carat Old Cut Diamond Engagement Ring, Circa 1925
For sale by Gatsby Jewellery Ltd
for sale €3,744     $4,064
£3,200
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 267 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 #SA1243178
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Antique 0.94 Carat Old Cut Diamond Engagement Ring, Circa 1925

1900 - 1920
Description

A wonderful solitaire diamond ring centred with an old mine cut diamond. The slightly elongated diamond displays bright flashes of fire and is held in an eight-claw white gold coronet collet between gently tapering platinum shoulders.

Accompanied by an independent jewellery report from WGI.

Cut:  Old mine cut.

Colour:  K.

Clarity:  VS1.

Carat:  0.94.

Circa:  1925.

Size:  M½ (UK) or 6¼ (US). Free resizing available.

Measurements:  The diamond is 6.54 x 6.03mm. Sits 5.6mm from the finger.

Weight:  3.45 grams.

Metal:  18k white gold and platinum. A French hallmark for the platinum; the collet has been 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/antique-0-94-carat-old-cut-diamond-engagement-ring-circa-1925

Item # 3121014S275

Date of Manufacture

Gatsby Jewellery Ltd has dated this Art Deco Diamond Ring to the 1920s.

Independent Date Check ID 09702246
Dealer's Item Date1920s
Sellingantiques Date1920s
Sellingantiques agingItem 95-110 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to THE 1920s:
Old mine cut diamond with open culet: hand cutting before modern brilliant cuts.
Eight-claw coronet collet: setting work typical of the 1920s.
White gold setting paired with a platinum band: interwar metal combination.

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 Reference
SA1243178
Dealers Internal Reference
3121014S275
Description
A wonderful solitaire diamond ring centred with an old mine cut diamond.
“
The slightly elongated diamond displays bright flashes of fire and is held in an eight-claw white gold coronet collet between gently tapering platinum shoulders.
Gatsby Jewellery Ltd
fig 1. A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band.
fig 1. Antique 0.94 Carat Old Cut Diamond Engagement Ring, Circa 1925

Accompanied by an independent jewellery report from WGI.

Cut:  Old mine cut.

Colour:  K.

Clarity:  VS1.

Carat:  0.94.

Circa:  1925.

Size:  M½ (UK) or 6¼ (US). Free resizing available.

Measurements:  The diamond is 6.54 x 6.03mm. Sits 5.6mm from the finger.

fig 2. A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band.
fig 2. Antique 0.94 Carat Old Cut Diamond Engagement Ring, Circa 1925

Weight:  3.45 grams.

Metal:  18k white gold and platinum. A French hallmark for the platinum; the collet has been 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/antique-0-94-carat-old-cut-diamond-engagement-ring-circa-1925

Item # 3121014S275

Date of Manufacture

Gatsby Jewellery Ltd has dated this Art Deco Diamond Ring to the 1920s.

Independent Date Report ID 09702246
Dealer's Item Date1920s
Sellingantiques dating1920s
Sellingantiques agingItem 95-110 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to the 1920s:
Old mine cut diamond with open culet: hand cutting before modern brilliant cuts.
Eight-claw coronet collet: setting work typical of the 1920s.
White gold setting paired with a platinum band: interwar metal combination.

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
SA1243178
Dealers Internal Ref
3121014S275
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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A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band.
1 / 9
Archive I A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band.

Antique 0.94 Carat Old Cut Diamond Engagement Ring, Circa 1925

Archive II A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band. View II
Archive III A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band. View III
Archive IV A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band. View IV
Archive V A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band. View V
Archive VI A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band. View VI
Archive VII A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band. View VII
Archive VIII A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band. View VIII
Archive IX A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band. 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 267
Items Sold 2,978
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
267
Sold
2,978
A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band.
Antique 0.94 Carat Old Cut Diamond Engagement Ring, circa 1925
Ref: SA1243178
A solitaire ring featuring a 0.94-carat old-cut diamond mounted in a multi-claw setting on a polished silver-tone band.
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Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver, Clear
  • MotifsClaw setting, Old European cut, Slim band, Open gallery

An Art Deco solitaire engagement ring from 1920 comprises a central 0.94-carat old mine cut diamond held within an eight-claw white gold coronet collet. The piece is fashioned from 18k white gold and platinum with a silver-tone polished finish, featuring gently tapering platinum shoulders and an open gallery. Visible details include a multi-claw setting on a slim band. The diamond measures 6.54 x 6.03 mm and sits 5.6 mm from the finger, with a total weight of 3.45 grams. Intended for everyday wear as a fine jewellery accessory, the ring complements traditional attire and fits comfortably on the hand. It suits formal occasions and daily use alike, adding a subtle sparkle to standard wardrobes. The item pairs easily with other fine accessories or stands alone on the finger.

FAQs

Art Deco jewellery from the 1920s often featured platinum or white gold settings, geometric silhouettes, and hand-cut diamonds such as Old European or cushion cuts.

Platinum and white gold were the primary metals utilised during this era, typically set with hand-faceted diamonds valued for their high crowns and deep proportions.

Authentic period pieces feature hand-cut diamonds with visible culets, period hallmark stamps, delicate claw settings, and subtle geometric tooling along the band.

An antique diamond solitaire pairs directly with unadorned contemporary bands or textured stacking rings to create a balanced, modern combination.

Clean settings using warm water, mild soapy solution, and a soft brush, followed by regular professional checks to confirm setting security.
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