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ID #SA1133158
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Art Deco 1.20 Carat Old Mine Cut Diamond Solitaire Ring, Circa 1920
Sold by Gatsby Jewellery Ltd
sold SA1133158
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 #SA1133158
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Art Deco 1.20 Carat Old Mine Cut Diamond Solitaire Ring, Circa 1920

1900 - 1920
Sold 30 August 2025 · Gatsby Jewellery Ltd
This “Art Deco 1.20 Carat Old Mine Cut Diamond Solitaire 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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1.2 Carat Diamond RingArt Deco SolitaireOld Mine Cut Diamond Ring Ask the dealer for something similar
Description

A faultless vintage engagement ring. The oval shaped old mine cut diamond is of rare quality: high white, internally clean, full of fire - and will that wonderful chunkiness one only finds in antique diamonds. The stone is secured in a four claw collet with geometric detailing in the gallery, leading to a slim 18k yellow gold shank.

Accompanied by an independent jewellery report from IGR.

Cut:? Oval shaped old mine cut.

Colour:? H.

Clarity:? VS2.

Carat:? 1.20.

Circa:? 1920.

Size:? L (UK) or 5 1/2 (US). Free sizing available.

Measurements:? The diamond is approximately 7.0 x 5.8mm and sit 6.5mm from the finger.

Weight:? 2.93 grams.

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

Item # 410313S103

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
SA1133158
Dealers Internal Reference
410313S103
Description
A faultless vintage engagement ring.
“
The oval shaped old mine cut diamond is of rare quality: high white, internally clean, full of fire - and will that wonderful chunkiness one only finds in antique diamonds.
Gatsby Jewellery Ltd

The stone is secured in a four claw collet with geometric detailing in the gallery, leading to a slim 18k yellow gold shank.

fig 1. An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band.
fig 1. Art Deco 1.20 Carat Old Mine Cut Diamond Solitaire Ring, Circa 1920

Accompanied by an independent jewellery report from IGR.

Cut:? Oval shaped old mine cut.

Colour:? H.

Clarity:? VS2.

Carat:? 1.20.

Circa:? 1920.

Size:? L (UK) or 5 1/2 (US). Free sizing available.

Measurements:? The diamond is approximately 7.0 x 5.8mm and sit 6.5mm from the finger.

Weight:? 2.93 grams.

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

Item # 410313S103

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
SA1133158
Dealers Internal Ref
410313S103
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 antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. SOLD6+ MONTHS AGO
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Archive I An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. SOLD6+ MONTHS AGO

Art Deco 1.20 Carat Old Mine Cut Diamond Solitaire Ring, Circa 1920

Archive II An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. View II
Archive III An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. View III
Archive IV An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. View IV
Archive V An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. View V
Archive VI An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. View VI
Archive VII An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. View VII
Archive VIII An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. View VIII
Archive IX An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band. 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 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
Profile: sellingantiques.co.uk/gatsby
Verified
May 2014
For Sale
267
Sold
2,976
An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band.
Art Deco 1.20 Carat Old Mine Cut Diamond Solitaire Ring, circa 1920
Ref: SA1133158
An antique Art Deco solitaire ring featuring an old mine cut diamond set in a gold band.
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Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco Glamour
  • MaterialGold, Diamond
  • ColourGold
  • MotifsSolitaire setting, Old mine cut facets, Plain polished band
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

FAQs

Art Deco jewellery, prominent from the 1910s to the 1930s, is characterised by geometric precision, clean lines, stylised motifs, and a transition towards modernism influenced by industrialisation and global discoveries.

Jewellery from this era frequently utilised platinum, yellow gold, and white gold, often featuring hand-fabricated settings designed to securely hold old-cut diamonds with minimal metal obstruction.

Authentic pieces typically display hand-cut facets characteristic of old mine or old European cuts, hand-carved or pierced metalwork under magnification, and appropriate period hallmarks or makers marks.

An antique ring can be styled as a standalone statement piece or paired with contemporary minimalist bands to create a contrast between historical craftsmanship and modern design.

Maintain antique jewellery by storing pieces individually in soft pouches, avoiding harsh ultrasonic cleaners on older settings, and having the prongs inspected annually by a professional jeweller.
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