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ID #SA1244691
FOR SALE
£2,300
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Vintage 0.63 Carat Mine Cut Diamond Engagement Ring, Circa 1930
For sale by Gatsby Jewellery Ltd
for sale €2,691     $2,921
£2,300
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 272 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 #SA1244691
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Vintage 0.63 Carat Mine Cut Diamond Engagement Ring, Circa 1930

1920 - 1940
Description

A distinctive old mine cut diamond engagement ring. The centre stone is glowingly white, internally very clean and alive with brilliance. The diamond is secured in a four claw collet with triangular detailing in the gallery. Wonderfully ornate shoulders lead to a slim, D-shaped shank.

Accompanied by an independent jewellery report from IGR.

Cut:  Old mine cut.

Colour:  I.

Clarity:  VVS2.

Carat:  0.63.

Circa:  1930.

Size:  P (UK) or 7½ (US). Free resizing available.

Measurements:  The diamond is 4.8 x 4.75mm. Sits 6.0mm from the finger.

Weight:  2.74 grams.

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

Video: To views 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/vintage-0-63-carat-mine-cut-diamond-engagement-ring-circa-1930

Item # 391114S345

Date of Manufacture

Gatsby Jewellery Ltd has dated this Mine Cut Diamond Ring to the 1930s.

Independent Date Check ID 09712837
Dealer's Item Date1930s
Sellingantiques Date1930s
Sellingantiques agingItem 85-105 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to THE 1930s:
Old mine cut diamond with high crown and open culet: hand-faceted stone cutting.
Pierced geometric gallery and ribbon shoulders: jewellery design of the 1930s.
Soft surface scuffing on the shank: years of wear.

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
SA1244691
Dealers Internal Reference
391114S345
Description
A distinctive old mine cut diamond engagement ring. The centre stone is glowingly white, internally very clean and alive with brilliance. The diamond is secured in a four claw collet with triangular detailing in the gallery. Wonderfully ornate shoulders lead to a slim, D-shaped shank.
fig 1. A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details.
fig 1. Vintage 0.63 Carat Mine Cut Diamond Engagement Ring, Circa 1930

Accompanied by an independent jewellery report from IGR.

Cut:  Old mine cut.

Colour:  I.

Clarity:  VVS2.

Carat:  0.63.

Circa:  1930.

Size:  P (UK) or 7½ (US). Free resizing available.

Measurements:  The diamond is 4.8 x 4.75mm. Sits 6.0mm from the finger.

fig 2. A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details.
fig 2. Vintage 0.63 Carat Mine Cut Diamond Engagement Ring, Circa 1930

Weight:  2.74 grams.

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

“
Video: To views 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/vintage-0-63-carat-mine-cut-diamond-engagement-ring-circa-1930

Item # 391114S345

Date of Manufacture

Gatsby Jewellery Ltd has dated this Mine Cut Diamond Ring to the 1930s.

Independent Date Report ID 09712837
Dealer's Item Date1930s
Sellingantiques dating1930s
Sellingantiques agingItem 85-105 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to the 1930s:
Old mine cut diamond with high crown and open culet: hand-faceted stone cutting.
Pierced geometric gallery and ribbon shoulders: jewellery design of the 1930s.
Soft surface scuffing on the shank: years of wear.

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
SA1244691
Dealers Internal Ref
391114S345
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 platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details.
1 / 7
Archive I A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details.

Vintage 0.63 Carat Mine Cut Diamond Engagement Ring, Circa 1930

Archive II A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details. View II
Archive III A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details. View III
Archive IV A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details. View IV
Archive V A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details. View V
Archive VI A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details. View VI
Archive VII A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details. View VII
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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 272
Items Sold 2,981
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
272
Sold
2,981
A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details.
Vintage 0.63 Carat Mine Cut Diamond Engagement Ring, circa 1930
Ref: SA1244691
A platinum diamond solitaire ring featuring an old mine cut central diamond held in a claw setting with carved shoulder details.
Detail View 1
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Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1920 - 1940
  • StyleArt Deco
  • MaterialDiamond, Platinum
  • ColourSilver, White
  • MotifsOld mine cut diamond, Four claw setting, Carved shoulders, Pierced gallery

An Art Deco diamond engagement ring from circa 1930, made in platinum with a silver and white colour scheme. The piece holds an old mine cut central diamond secured in a four-claw collet with triangular detailing in the gallery, alongside ornate carved shoulders and a slim, D-shaped shank. The visual details include polished metal surfaces, openwork wirework in the gallery, and distinct facet patterns across the stone. The diamond is 4.8 x 4.75 mm and sits 6.0 mm from the finger, with a total weight of 2.74 grams. This ring suits daily wear on a finger as an engagement or dress piece. It fits well into traditional or period jewellery collections and sits comfortably on the hand for social occasions or everyday use.

FAQs

Rings from the 1930s often bridge late Edwardian refinement and classic Art Deco geometry, featuring single hand-cut diamonds mounted in platinum or white gold settings with decorative shoulder detailing.

During this period, fine jewellery was predominantly crafted using platinum, 18-carat white gold, or yellow gold paired with hand-faceted diamonds such as old mine cuts and European cuts.

An old mine cut diamond typically features a cushion-shaped outline, a high crown, a small table facet, a deep pavilion, and a visible flat culet at the base.

A vintage solitaire ring can be worn alone as a focal piece or stacked alongside fine plain metal bands and modern diamond eternity rings.

Clean the ring using warm water, mild liquid detergent, and a soft-bristled brush, and schedule periodic inspections with a qualified jeweller to ensure the claws remain secure.
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