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Art Deco 1.23 Carat Old Cut Diamond Engagement Ring, Circa 1925
Sold by Gatsby Jewellery Ltd
sold SA953092
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 #SA953092
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Art Deco 1.23 Carat Old Cut Diamond Engagement Ring, Circa 1925

1900 - 1920
Sold 2 October 2025 · Gatsby Jewellery Ltd
This “Art Deco 1.23 Carat Old Cut Diamond Engagement Ring, Circa 1925” 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 magnificent vintage engagement ring. The old European cut diamond in the centre – graded by HRD Antwerp as I colour, SI1 clarity – is fizzing with fire and brilliance. The diamond is secured in a four claw collet with a pair of (approx.) 0.10 carat tapered baguette cut diamonds set in the shoulders, leading to a slim platinum shank.

Accompanied by a Natural Diamond Grading Report from HRD Antwerp (#210000182402).

Cut – Old European cut in the centre with tapered baguette cuts in the shoulders.

Colour – I in the centre (G to H in the shoulders).

Clarity – SI1. (VS1 to VS2 in the shoulders).

Carat – 1.23 (with an additional approximate 0.20 carat in the shoulders.)

Circa – 1925.

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

Measurements – The diamond is 6.70 x 6.86mm and sits 7.2mm from the finger.

Metal – Platinum. Tested. (Stamped internally 10% IRID.PLAT.)

Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/855298035

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 1920s.

Reference Numbers
Sellingantiques Reference
SA953092
Dealers Internal Reference
114111S250
Description
A magnificent vintage engagement ring.
“
The old European cut diamond in the centre – graded by HRD Antwerp as I colour, SI1 clarity – is fizzing with fire and brilliance.
Gatsby Jewellery Ltd

The diamond is secured in a four claw collet with a pair of (approx.) 0.10 carat tapered baguette cut diamonds set in the shoulders, leading to a slim platinum shank.

fig 1. An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones.
fig 1. Art Deco 1.23 Carat Old Cut Diamond Engagement Ring, Circa 1925

Accompanied by a Natural Diamond Grading Report from HRD Antwerp (#210000182402).

Cut – Old European cut in the centre with tapered baguette cuts in the shoulders.

Colour – I in the centre (G to H in the shoulders).

fig 2. An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones.
fig 2. Art Deco 1.23 Carat Old Cut Diamond Engagement Ring, Circa 1925

Clarity – SI1. (VS1 to VS2 in the shoulders).

Carat – 1.23 (with an additional approximate 0.20 carat in the shoulders.)

Circa – 1925.

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 tapered baguette side stones.
fig 3. Art Deco 1.23 Carat Old Cut Diamond Engagement Ring, Circa 1925

Measurements – The diamond is 6.70 x 6.86mm and sits 7.2mm from the finger.

Metal – Platinum. Tested. (Stamped internally 10% IRID.PLAT.)

Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/855298035

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 1920s.

Reference Numbers
Sellingantiques Ref
SA953092
Dealers Internal Ref
114111S250
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 tapered baguette side stones. SOLD6+ MONTHS AGO
1 / 8
Archive I An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones. SOLD6+ MONTHS AGO

Art Deco 1.23 Carat Old Cut Diamond Engagement Ring, Circa 1925

Archive II An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones. View II
Archive III An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones. View III
Archive IV An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones. View IV
Archive V An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones. View V
Archive VI An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones. View VI
Archive VII An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones. View VII
Archive VIII An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones. View VIII
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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 tapered baguette side stones.
Art Deco 1.23 Carat Old Cut Diamond Engagement Ring, circa 1925
Ref: SA953092
An Art Deco platinum engagement ring featuring a central old cut diamond flanked by tapered baguette side stones.
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Archival Detail
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Our dealers are highly experienced in packing and shipping fragile, high-value antiques. Because you are in direct contact with the dealer, you will be able to easily go through all available shipping and insurance options together to ensure your item arrives safely.
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Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsProng set central stone, Tapered baguette shoulders, Polished platinum band
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

Art Deco jewellery, prominent from the 1920s to the 1930s, is characterised by geometric lines, symmetry, minimalist metalwork, and a strong architectural influence.

Platinum became the metal of choice during the Art Deco era due to its strength and ability to hold fine millegrain detailing, frequently paired with diamonds and calibrated gemstones.

Authentic pieces often feature period-specific diamond cuts such as old European or old mine cuts, hand-carved platinum mountings, and signs of genuine age such as light wear on the metal.

An antique ring pairs well with a simple, unadorned platinum band or a low-profile matching vintage band to highlight the intricate geometric details of the central setting.

Antique rings should be cleaned professionally using ultrasonic cleaners with caution, stored separately in soft-lined boxes, and checked annually by a jeweller to ensure stone security.
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