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sellingantiques.co.uk
ID #SA621664
FOR SALE
£2,625
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Mid Century 0.86 Carat Transitional Cut Diamond Engagement Ring, Circa 1950
Gatsby Jewellery Ltd
for sale €3,071     $3,334
£2,625
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
View Dealers Stock Page
  • 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 #SA621664
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Mid Century 0.86 Carat Transitional Cut Diamond Engagement Ring, Circa 1950

1940 - 1960
Description

A wondrous vintage diamond solitaire ring. The round transitional cut diamond in the centre is eye-poppingly white and bright with plenty of life and fire. The stone is a secured in an eight-claw open collet above a scalloped back-plate, with stylised leaf detailing in the platinum shoulders which leads to a slim, 18k yellow gold shank.

Accompanied by an independent jewellery report from IGR (#30307851).

Cut – Transitional cut diamond in the centre with eight-cuts in the shoulders.

Colour – F in the centre. The diamonds in the shoulders are H to I.

Clarity – The centre stone is SI2. The diamonds in the shoulders are VS2 to SI1. All the stones are clear to the naked eye.

Carat – Approximately 0.86 carat in the centre with a further approximate 0.09 carat in the shoulders.

Circa – 1950.

Size – L (UK) or 5.5 (US). Complimentary sizing is available, can be sized up or down.

Measurements – The diamond is approximately 6.2mm in diameter. The ring is 10.1mm at the widest point and sits 7.6mm from the finger.

Metal – 18k yellow gold (stamped 18CT). The top of the ring is platinum (tested).

Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/583313916

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

Gatsby Jewellery Ltd has dated this Transitional Cut Diamond Ring to the 1950s.

Reference Numbers
Sellingantiques Reference
SA621664
Dealers Internal Reference
1657S037
Description
A wondrous vintage diamond solitaire ring.
“
The round transitional cut diamond in the centre is eye-poppingly white and bright with plenty of life and fire.
Gatsby Jewellery Ltd

The stone is a secured in an eight-claw open collet above a scalloped back-plate, with stylised leaf detailing in the platinum shoulders which leads to a slim, 18k yellow gold shank.

fig 1. A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band.
fig 1. Mid Century 0.86 Carat Transitional Cut Diamond Engagement Ring, Circa 1950

Accompanied by an independent jewellery report from IGR (#30307851).

Cut – Transitional cut diamond in the centre with eight-cuts in the shoulders.

Colour – F in the centre. The diamonds in the shoulders are H to I.

fig 2. A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band.
fig 2. Mid Century 0.86 Carat Transitional Cut Diamond Engagement Ring, Circa 1950

Clarity – The centre stone is SI2. The diamonds in the shoulders are VS2 to SI1. All the stones are clear to the naked eye.

Carat – Approximately 0.86 carat in the centre with a further approximate 0.09 carat in the shoulders.

fig 3. A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band.
fig 3. Mid Century 0.86 Carat Transitional Cut Diamond Engagement Ring, Circa 1950

Circa – 1950.

Size – L (UK) or 5.5 (US). Complimentary sizing is available, can be sized up or down.

Measurements – The diamond is approximately 6.2mm in diameter. The ring is 10.1mm at the widest point and sits 7.6mm from the finger.

fig 4. A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band.
fig 4. Mid Century 0.86 Carat Transitional Cut Diamond Engagement Ring, Circa 1950

Metal – 18k yellow gold (stamped 18CT). The top of the ring is platinum (tested).

Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/583313916

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

Gatsby Jewellery Ltd has dated this Transitional Cut Diamond Ring to the 1950s.

Reference Numbers
Sellingantiques Ref
SA621664
Dealers Internal Ref
1657S037
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

Relevant Links
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A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band.
1 / 6
Archive I A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band.

Mid Century 0.86 Carat Transitional Cut Diamond Engagement Ring, Circa 1950

Archive II A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band. View II
Archive III A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band. View III
Archive IV A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band. View IV
Archive V A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band. View V
Archive VI A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band. View VI
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 2,936
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
2,936
A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band.
Mid Century 0.86 Carat Transitional Cut Diamond Engagement Ring, circa 1950
Ref: SA621664
A mid-century engagement ring featuring a transitional cut diamond set in a white metal head with carved shoulder accents on an 18ct yellow gold band.
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Archival Detail

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FAQs

A transitional cut diamond engagement ring features a gemstone produced during the evolution between the hand-cut Old European cut and the modern round brilliant cut, typical of the 1930s to 1950s. These cuts offer a balance of lower crown height, larger table, and refined facet patterns that reflect light differently than modern machine-cut stones.

Mid-century engagement rings frequently featured 18ct yellow gold shanks paired with platinum or white gold head settings to enhance the brightness of the centre diamond. Detailed piercework, coronet claws, and delicate shoulder accents were popular construction techniques of the era.

Authentic mid-century rings can be identified by hallmark stamps on the interior band, transitional or early brilliant cut diamonds with open or tiny culets, and distinctive illusion or basket settings. The precise hand craftsmanship often shows subtle variations not found in modern cast reproductions.

A mid-century engagement ring pairs well with simple contemporary bands in matching yellow gold or platinum to create a mixed-metal look. Its classic proportion allows it to serve as a standalone statement piece or blend seamlessly into a modern stacked ring arrangement.

Clean the ring using warm water, mild soap, and a soft-bristled brush to remove dust from behind the setting. Avoid harsh chemicals or ultrasonic cleaners if the setting features delicate accent stones or intricate filigree, and have claws inspected regularly by a jeweller.
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