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Art Deco 1.10 Carat Old Cut Diamond Engagement Ring, Circa 1935
Sold by Gatsby Jewellery Ltd
sold SA325460
Sorry, but this item has been sold.
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 #SA325460
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Art Deco 1.10 Carat Old Cut Diamond Engagement Ring, Circa 1935

1920 - 1940
Sold 5 January 2026 · Gatsby Jewellery Ltd
This “Art Deco 1.10 Carat Old Cut Diamond Engagement Ring, Circa 1935 ” found a buyer.

It was listed by Gatsby Jewellery Ltd. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

Description

A superb late Art Deco engagement ring featuring a high white and very clean cushion shaped old mine cut diamond. Set with a scalloped back plate which reflects light back into the stone (as well as making diamond appear larger – never a bad thing!). The proud, ornate shoulders baguette and single cut diamonds which leads to a fine platinum band. Imposing and beautiful.

Accompanied by an independent jewellery report.

Cut – Cushion shaped 0ld mine cut in the centre with baguette and eight cuts in the shoulders.

Colour – J in the centre. The diamonds in the shoulders are G to H.

Clarity – SI1.

Carat – The centre diamond is 1.10. The remaining stones add up to a further estimated 0.15 carat.

Circa – 1935.

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

Measurements – The diamond is 6.3mm by 5.8mm and sits 6.7mm from the finger.

Metal – Stamped PLATINUM, and tests as such.

Video - To view a video of this ring in natural daylight please copy / paste the following link into your browser: https://vimeo.com/137056816

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 1930s.

Reference Numbers
Sellingantiques Reference
SA325460
Dealers Internal Reference
23S118
Description
A superb late Art Deco engagement ring featuring a high white and very clean cushion shaped old mine cut diamond.
“
Set with a scalloped back plate which reflects light back into the stone (as well as making diamond appear larger – never a bad thing!).
Gatsby Jewellery Ltd

The proud, ornate shoulders baguette and single cut diamonds which leads to a fine platinum band. Imposing and beautiful.

fig 1. An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders.
fig 1. Art Deco 1.10 Carat Old Cut Diamond Engagement Ring, Circa 1935

Accompanied by an independent jewellery report.

Cut – Cushion shaped 0ld mine cut in the centre with baguette and eight cuts in the shoulders.

Colour – J in the centre. The diamonds in the shoulders are G to H.

fig 2. An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders.
fig 2. Art Deco 1.10 Carat Old Cut Diamond Engagement Ring, Circa 1935

Clarity – SI1.

Carat – The centre diamond is 1.10. The remaining stones add up to a further estimated 0.15 carat.

Circa – 1935.

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

fig 3. An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders.
fig 3. Art Deco 1.10 Carat Old Cut Diamond Engagement Ring, Circa 1935

Measurements – The diamond is 6.3mm by 5.8mm and sits 6.7mm from the finger.

Metal – Stamped PLATINUM, and tests as such.

Video - To view a video of this ring in natural daylight please copy / paste the following link into your browser: https://vimeo.com/137056816

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 1930s.

Reference Numbers
Sellingantiques Ref
SA325460
Dealers Internal Ref
23S118
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 engagement ring featuring a central old cut diamond flanked by geometric shoulders. SOLD6+ MONTHS AGO
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Archive I An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders. SOLD6+ MONTHS AGO

Art Deco 1.10 Carat Old Cut Diamond Engagement Ring, Circa 1935

Archive II An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders. View II
Archive III An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders. View III
Archive IV An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders. View IV
Archive V An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders. View V
Archive VI An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders. View VI
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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 2,976
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
Verified
May 2014
For Sale
267
Sold
2,976
An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders.
Art Deco 1.10 Carat Old Cut Diamond Engagement Ring, circa 1935
Ref: SA325460
An Art Deco platinum engagement ring featuring a central old cut diamond flanked by geometric shoulders.
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Archival Detail
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Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1920 - 1940
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsGeometric shoulders, Milgrain detailing, Claw setting
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

Art Deco jewellery, prominent during the 1920s and 1930s, is characterised by geometric symmetry, stylised motifs, and a strong influence from modernist architecture and industrial design.

Jewellery from this era frequently utilised platinum for its strength and bright white finish, alongside white gold, paired with old European cut and baguette-cut diamonds.

Authentic pieces typically feature hand-cut stones specific to the period, such as old cut or transitional diamonds, traditional millgrain detailing, and period-appropriate metal hallmarks.

Combining antique rings with modern minimalist bands creates a striking contrast that highlights the intricate craftsmanship and historical character of the vintage piece.

Regular professional inspection of the settings ensures the prongs remain secure, while gentle cleaning with warm soapy water and a soft brush maintains the sparkle of the diamonds.
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