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Antique 0.71 Carat Old Cut Diamond Engagement Ring, Circa 1920
Sold by Gatsby Jewellery Ltd
sold SA1185618
Sorry, but this item has been sold.
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 265 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 #SA1185618
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Antique 0.71 Carat Old Cut Diamond Engagement Ring, Circa 1920

1900 - 1920
Sold 29 December 2025 · Gatsby Jewellery Ltd
This “Antique 0.71 Carat Old Cut Diamond Engagement Ring, Circa 1920” 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.

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Description

An elegant Art Deco engagement ring. Crafted entirely in 18k yellow gold, this antique solitaire features a bright and lively old European cut diamond in the centre (graded by De Beers as I colour, SI1 clarity), secured in a six-claw collet with neat, angular detailing in the gallery. A total of six (three each side) eight-cut diamonds are set in the shoulders, leading to a slender and fluted shank.

Accompanied by a De Beers Institute of Diamonds grading report. A unique number has been inscribed on this diamond providing utmost security.

Cut:? Old European cut in the centre, with eight-cuts in the shoulders.

Colour:? The centre is I. The shoulder diamonds range H to I.

Clarity:? The centre is SI1. The shoulder diamonds range from VS1 to SI1.

Carat:? The centre is 0.71 carat, with a further 0.06 carat in the shoulders.

Circa:? 1920.

Size:? M 1/2 (UK) or 6 1/4 (US). Free sizing available.

Measurements:? The diamond is 5.68 x 5.66mm and sits 5.1mm from the finger.

Weight:? 1.94 grams.

Metal:? 18k 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/antique-0-71-carat-old-cut-diamond-engagement-ring-circa-1920

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

Gatsby Jewellery Ltd has dated this Antique Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1185618
Dealers Internal Reference
3912123S361
Description
An elegant Art Deco engagement ring. Crafted entirely in 18k yellow gold, this antique solitaire features a bright and lively old European cut diamond in the centre (graded by De Beers as I colour, SI1 clarity), secured in a six-claw collet with neat, angular detailing in the gallery.
“
A total of six (three each side) eight-cut diamonds are set in the shoulders, leading to a slender and fluted shank.
Gatsby Jewellery Ltd
fig 1. A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders.
fig 1. Antique 0.71 Carat Old Cut Diamond Engagement Ring, Circa 1920

Accompanied by a De Beers Institute of Diamonds grading report. A unique number has been inscribed on this diamond providing utmost security.

Cut:? Old European cut in the centre, with eight-cuts in the shoulders.

fig 2. A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders.
fig 2. Antique 0.71 Carat Old Cut Diamond Engagement Ring, Circa 1920

Colour:? The centre is I. The shoulder diamonds range H to I.

Clarity:? The centre is SI1. The shoulder diamonds range from VS1 to SI1.

Carat:? The centre is 0.71 carat, with a further 0.06 carat in the shoulders.

fig 3. A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders.
fig 3. Antique 0.71 Carat Old Cut Diamond Engagement Ring, Circa 1920

Circa:? 1920.

Size:? M 1/2 (UK) or 6 1/4 (US). Free sizing available.

Measurements:? The diamond is 5.68 x 5.66mm and sits 5.1mm from the finger.

Weight:? 1.94 grams.

Metal:? 18k gold. Tested with a Niton DXL Precious Metal Analyzer.

fig 4. A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders.
fig 4. Antique 0.71 Carat Old Cut Diamond Engagement Ring, Circa 1920

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/antique-0-71-carat-old-cut-diamond-engagement-ring-circa-1920

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

Gatsby Jewellery Ltd has dated this Antique Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1185618
Dealers Internal Ref
3912123S361
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 close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. SOLD6+ MONTHS AGO
1 / 9
Archive I A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. SOLD6+ MONTHS AGO

Antique 0.71 Carat Old Cut Diamond Engagement Ring, Circa 1920

Archive II A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. View II
Archive III A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. View III
Archive IV A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. View IV
Archive V A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. View V
Archive VI A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. View VI
Archive VII A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. View VII
Archive VIII A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. View VIII
Archive IX A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders. View IX
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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 265
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
Profile: sellingantiques.co.uk/gatsby
Verified
May 2014
For Sale
265
Sold
2,976
A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders.
Antique 0.71 Carat Old Cut Diamond Engagement Ring, circa 1920
Ref: SA1185618
A close-up photograph of an antique gold ring featuring a central old-cut diamond and smaller accent stones along the shoulders.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialGold, Diamond
  • ColourYellow Gold
  • MotifsOld cut diamond, Set shoulders, Prong setting
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

FAQs

Jewellery from this period often transitions from delicate Edwardian filigree to the geometric symmetry of early Art Deco design, frequently utilising platinum settings and traditional diamond cuts.

Authentic pieces from this era typically feature yellow gold, platinum or silver-topped gold settings, housing hand-cut diamonds shaped before modern laser-cutting techniques were developed.

Authentic pieces often show microscopic signs of hand craftsmanship, such as hand-cut facets on old European diamonds, authentic maker marks, and age-related wear on the metalwork.

These pieces pair effectively with contemporary minimalist stacking bands to create a deliberate contrast between historical craftsmanship and modern design lines.

Maintenance requires gentle cleaning with warm soapy water and a soft brush, avoiding harsh ultrasonic cleaners which can damage fragile antique settings and historic prongs.
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