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ID #SA591773
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Art Deco 1.44 Carat Old Mine Cut Diamond Engagement Ring, Circa 1915
Sold by Gatsby Jewellery Ltd
sold SA591773
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 #SA591773
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Art Deco 1.44 Carat Old Mine Cut Diamond Engagement Ring, Circa 1915

1900 - 1920
Sold 9 February 2026 · Gatsby Jewellery Ltd
This “Art Deco 1.44 Carat Old Mine 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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Old Mine Cut Engagement Ring Ask the dealer for something similar
Description

A truly exquisite antique diamond engagement ring. The cushion shaped old mine cut diamond in the centre is bright, internally clean and full of fire. The stone is rubover set in platinum, and crowns the most impressively detailed gallery; finely pierced and milgrained, and set with six small rose cut diamonds to a slim platinum shank. Gloriously crafted.

Accompanied by an independent jewellery report from IGR (#30307484).

Cut – Cushion shaped old mine cut (with rose cuts in the gallery).

Colour – J (H to I in the gallery).

Clarity – VS2 (VS2 to SI2 in the gallery).

Carat – The centre is approximately 1.44 carat (with a further approximate 0.03 carat in the gallery).

Circa – 1915.

Measurements – The diamond is approximately 6.35 x 7mm. Sits 5.8mm from the finger.

Size – K 1/2 (UK) or 5 3/8 (US). Complimentary sizing is available, can go up or down.

Metal – Platinum. Tested.

Video – To view a video of this ring recored in daylight, please copy / paste the following link into your browser: https://vimeo.com/834765315

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 1910s.

Reference Numbers
Sellingantiques Reference
SA591773
Dealers Internal Reference
94126S098
Description
A truly exquisite antique diamond engagement ring. The cushion shaped old mine cut diamond in the centre is bright, internally clean and full of fire.
“
The stone is rubover set in platinum, and crowns the most impressively detailed gallery; finely pierced and milgrained, and set with six small rose cut diamonds to a slim platinum shank.
Gatsby Jewellery Ltd

Gloriously crafted.

fig 1. An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details.
fig 1. Art Deco 1.44 Carat Old Mine Cut Diamond Engagement Ring, Circa 1915

Accompanied by an independent jewellery report from IGR (#30307484).

Cut – Cushion shaped old mine cut (with rose cuts in the gallery).

Colour – J (H to I in the gallery).

Clarity – VS2 (VS2 to SI2 in the gallery).

fig 2. An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details.
fig 2. Art Deco 1.44 Carat Old Mine Cut Diamond Engagement Ring, Circa 1915

Carat – The centre is approximately 1.44 carat (with a further approximate 0.03 carat in the gallery).

Circa – 1915.

Measurements – The diamond is approximately 6.35 x 7mm. Sits 5.8mm from the finger.

Size – K 1/2 (UK) or 5 3/8 (US). Complimentary sizing is available, can go up or down.

Metal – Platinum. Tested.

Video – To view a video of this ring recored in daylight, please copy / paste the following link into your browser: https://vimeo.com/834765315

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 1910s.

Reference Numbers
Sellingantiques Ref
SA591773
Dealers Internal Ref
94126S098
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 platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details. SOLD6+ MONTHS AGO
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Archive I An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details. SOLD6+ MONTHS AGO

Art Deco 1.44 Carat Old Mine Cut Diamond Engagement Ring, Circa 1915

Archive II An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details. View II
Archive III An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details. View III
Archive IV An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details. View IV
Archive V An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details. View V
Archive VI An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details. View VI
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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
An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details.
Art Deco 1.44 Carat Old Mine Cut Diamond Engagement Ring, circa 1915
Ref: SA591773
An antique platinum engagement ring featuring a large old mine cut diamond set within intricate filigree and millegrain shoulder details.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsMillegrain edges, Openwork filigree, Geometric shoulder settings, Hand-cut facets
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

FAQs

Art Deco jewellery emerged around 1915, characterised by geometric symmetry, stylised motifs, and the widespread adoption of platinum alongside diamonds to achieve a sleek, modern aesthetic.

Jewellery from this period predominantly utilised platinum for its strength and white lustre, often paired with hand-cut diamonds such as old mine cuts and single cuts, sometimes accented with calibre-cut gemstones.

Authentic pieces typically exhibit hand-cut gemstones with distinctive facets, handcrafted metalwork featuring delicate millegrain detailing, and natural signs of age such as minor surface wear on the metal.

An antique ring acts as a sophisticated statement piece that contrasts sharply with contemporary minimalist clothing, or it can be stacked with modern bands for an eclectic, textured look.

Preserve antique jewellery by storing pieces individually in soft pouches, avoiding harsh ultrasonic cleaners on fragile settings, and having the prongs professionally checked annually by a specialist.
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