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ID #SA1132511
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Art Deco 0.65 Carat Old Cut Diamond Engagement Ring, Circa 1915
Sold by Gatsby Jewellery Ltd
sold SA1132511
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 #SA1132511
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Art Deco 0.65 Carat Old Cut Diamond Engagement Ring, Circa 1915

1900 - 1920
Sold 13 December 2025 · Gatsby Jewellery Ltd
This “Art Deco 0.65 Carat Old Cut Diamond Engagement Ring, Circa 1915” 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

So unbelievably pretty. This antique engagement ring features an old mine cut diamond - graded by De Beers as I colour, SI2 clarity - presented in a fine 18k yellow gold setting. The stone is secured by four double claws, and features elegant geometric detailing in the gallery. The double notches at the shoulders adds further interest to an otherwise stripped-back and unfussy design.

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

Cut:? Old mine cut.

Colour:? I.

Clarity:? SI2.

Carat:? 0.65.

Circa:? 1915.

Size:? L 1/2 (UK) or 5 7/8 (US). Free sizing available.

Measurements:? The diamond is 5.86 x 5.37mm and sits 5.75mm from the finger.

Weight:? 2.00 grams.

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

Item # 119313S072

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

Gatsby Jewellery Ltd has dated this Antique Diamond Engagement Ring to the 1910s.

Reference Numbers
Sellingantiques Reference
SA1132511
Dealers Internal Reference
119313S072
Description
So unbelievably pretty.
“
This antique engagement ring features an old mine cut diamond - graded by De Beers as I colour, SI2 clarity - presented in a fine 18k yellow gold setting.
Gatsby Jewellery Ltd

The stone is secured by four double claws, and features elegant geometric detailing in the gallery. The double notches at the shoulders adds further interest to an otherwise stripped-back and unfussy design.

fig 1. An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire.
fig 1. Art Deco 0.65 Carat Old Cut Diamond Engagement Ring, Circa 1915

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

Cut:? Old mine cut.

Colour:? I.

Clarity:? SI2.

Carat:? 0.65.

Circa:? 1915.

fig 2. An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire.
fig 2. Art Deco 0.65 Carat Old Cut Diamond Engagement Ring, Circa 1915

Size:? L 1/2 (UK) or 5 7/8 (US). Free sizing available.

Measurements:? The diamond is 5.86 x 5.37mm and sits 5.75mm from the finger.

Weight:? 2.00 grams.

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

Item # 119313S072

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

Gatsby Jewellery Ltd has dated this Antique Diamond Engagement Ring to the 1910s.

Reference Numbers
Sellingantiques Ref
SA1132511
Dealers Internal Ref
119313S072
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 yellow gold engagement ring featuring a prominent old cut diamond solitaire. SOLD6+ MONTHS AGO
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Archive I An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire. SOLD6+ MONTHS AGO

Art Deco 0.65 Carat Old Cut Diamond Engagement Ring, Circa 1915

Archive II An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire. View II
Archive III An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire. View III
Archive IV An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire. View IV
Archive V An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire. View V
Archive VI An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire. View VI
Archive VII An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire. View VII
Archive VIII An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire. View VIII
Archive IX An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire. 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 yellow gold engagement ring featuring a prominent old cut diamond solitaire.
Art Deco 0.65 Carat Old Cut Diamond Engagement Ring, circa 1915
Ref: SA1132511
An antique yellow gold engagement ring featuring a prominent old cut diamond solitaire.
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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, Solitaire setting, Yellow gold band
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

FAQs

Rings from the early 20th century transition from the ornate floral motifs of the Edwardian era into the geometric precision of Art Deco, often featuring hand-crafted settings and distinctive diamond cuts.

Authentic pieces from this period were typically crafted from yellow gold, rose gold, or platinum, frequently housing hand-faceted diamonds secured in claw or bezel settings.

Authentication involves examining hallmarks for metal purity, checking for hand-cut stones such as old European or mine cuts, and identifying signs of hand-fabrication rather than modern mass production.

Pairing a historic ring with modern, minimalist bands creates a striking contrast that highlights the unique character and craftsmanship of the antique centre stone.

Regular professional inspection of the prongs is essential to ensure the stone remains secure, alongside gentle cleaning with warm soapy water and a soft brush, avoiding harsh ultrasonic cleaners.
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