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ID #SA1168659
FOR SALE
£7,100
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Art Deco 1.45 Carat Old Cut Diamond Engagement Ring, Circa 1940
For sale by Gatsby Jewellery Ltd
for sale €8,307     $9,017
£7,100
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 261 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 #SA1168659
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Art Deco 1.45 Carat Old Cut Diamond Engagement Ring, Circa 1940

1920 - 1940
Description

A wonderful vintage engagement ring. The old European cut diamond in the centre - gauged at weighting just under one and a half carat - is bright, internally clean and full of fire. The stone is secured in an eight claw open collet, allowing maximum light to pass through the stone. The finely vented shoulders are set with six (three each side) rose cut diamonds, leading to a slim 18k white gold shank.

Accompanied by an independent jewellery report from WGI.

Cut: Old European cut in the centre, with rose cut diamonds in the shoulders.

Colour: The centre is J. The diamonds in the shoulders are I to J.

Clarity: The centre is VS2. The small diamonds in the shoulders range from SI1 to SI2.

Carat: The centre is approximately 1.45 carat, with a further approximate 0.05 carat in the shoulders.

Circa: 1940.

Size: O (UK) or 7 (US). Free sizing available.

Measurements: The centre diamond is approximately 6.2mm in diameter and sits 6.25mm from the finger.

Weight: 2.54 grams.

Metal: 18k white gold. 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-1-45-carat-old-cut-diamond-engagement-ring-circa-1940

Physical Dimensions
Height
30cm (11.81")
Width
25cm (9.84")
Depth
5cm (1.97")
Declaration

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

Reference Numbers
Sellingantiques Reference
SA1168659
Dealers Internal Reference
410913S034
Description
A wonderful vintage engagement ring.
“
The old European cut diamond in the centre - gauged at weighting just under one and a half carat - is bright, internally clean and full of fire.
Gatsby Jewellery Ltd

The stone is secured in an eight claw open collet, allowing maximum light to pass through the stone. The finely vented shoulders are set with six (three each side) rose cut diamonds, leading to a slim 18k white gold shank.

fig 1. An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders.
fig 1. Art Deco 1.45 Carat Old Cut Diamond Engagement Ring, Circa 1940

Accompanied by an independent jewellery report from WGI.

Cut: Old European cut in the centre, with rose cut diamonds in the shoulders.

Colour: The centre is J. The diamonds in the shoulders are I to J.

Clarity: The centre is VS2. The small diamonds in the shoulders range from SI1 to SI2.

fig 2. An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders.
fig 2. Art Deco 1.45 Carat Old Cut Diamond Engagement Ring, Circa 1940

Carat: The centre is approximately 1.45 carat, with a further approximate 0.05 carat in the shoulders.

Circa: 1940.

Size: O (UK) or 7 (US). Free sizing available.

Measurements: The centre diamond is approximately 6.2mm in diameter and sits 6.25mm from the finger.

fig 3. An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders.
fig 3. Art Deco 1.45 Carat Old Cut Diamond Engagement Ring, Circa 1940

Weight: 2.54 grams.

Metal: 18k white gold. 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-1-45-carat-old-cut-diamond-engagement-ring-circa-1940

Height
30cm (11.81")
Width
25cm (9.84")
Depth
5cm (1.97")
Date of Manufacture

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

Reference Numbers
Sellingantiques Ref
SA1168659
Dealers Internal Ref
410913S034
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 style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders.
1 / 9
Archive I An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders.

Art Deco 1.45 Carat Old Cut Diamond Engagement Ring, Circa 1940

Archive II An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders. View II
Archive III An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders. View III
Archive IV An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders. View IV
Archive V An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders. View V
Archive VI An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders. View VI
Archive VII An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders. View VII
Archive VIII An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders. View VIII
Archive IX An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders. View IX
Enlarged Archival View
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 261
Items Sold 2,966
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
261
Sold
2,966
An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders.
Art Deco 1.45 Carat Old Cut Diamond Engagement Ring, circa 1940
Ref: SA1168659
An Art Deco style white metal engagement ring featuring a central round old cut diamond flanked by smaller accent diamonds on sculpted shoulders.
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
  • ObjectEngagement Rings
  • Period1920 - 1940
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver, Clear
  • MotifsOld cut diamond, Geometric shoulders, Claw setting, Tapered band
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

This 1940 Art Deco engagement ring uses platinum and 18k white gold to create a silver-coloured band set with clear diamonds. The central round old European cut diamond sits in an eight claw open collet, surrounded by finely vented geometric shoulders set with six rose cut diamonds and a tapered band showing ribbed engraving near the setting. The centre stone weighs approximately 1.45 carat with a J colour and VS2 clarity, while the smaller accent diamonds total approximately 0.05 carat with I to J colour and SI1 to SI2 clarity. The ring measures 30 cm high, 25 cm wide, and 5 cm deep with a weight of 2.54 grams, and it comes with an independent jewellery report from WGI. It serves as a wearable piece of fine jewellery designed for personal adornment on the hand.

FAQs

Art Deco engagement rings from the 1920s to 1940s are defined by geometric symmetry, clean linear motifs, and refined metalwork. They frequently feature central old cut diamonds complemented by stylized, architectural shoulders cast in platinum or white gold.

Engagement rings from this period were primarily constructed using platinum, white gold, or yellow gold settings. Central gemstones were predominantly hand-cut diamonds, including old European cuts, secured with claw or bezel mountings.

Authentic period pieces exhibit hand-cut diamond characteristics, such as a smaller table, higher crown, open culet, and slightly irregular symmetry. Period hallmark stampings, hand-engraved details, and natural wear on the underside of the band also confirm provenance.

An Art Deco engagement ring pairs effectively with contemporary minimalist wedding bands or plain platinum rings. The geometric structure allows it to function as a focal piece when worn alongside understated modern wristwear and earrings.

Clean the ring gently using warm water, a mild liquid detergent, and a soft-bristled brush to remove dust from behind the setting. Avoid harsh chemical solutions, and schedule periodic professional checks to ensure the security of the claws.
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