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Art Deco 2.07 Carat Old Cut Diamond Engagement Ring, Circa 1930
Sold by Gatsby Jewellery Ltd
sold SA987888
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 #SA987888
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Art Deco 2.07 Carat Old Cut Diamond Engagement Ring, Circa 1930

1920 - 1940
Sold 16 December 2025 · Gatsby Jewellery Ltd
This “Art Deco 2.07 Carat Old Cut Diamond Engagement Ring, Circa 1930” 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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Classic Solitaire Ring Ask the dealer for something similar
Description

An absolutely fantastic old mine cut diamond solitaire ring. The square cushion shaped diamond in the centre – graded by HRD Antwerp as I colour, SI1 clarity – displays incredibly light and fire. The stone is secured by split platinum claws with angular detailing in the gallery, leading to a slender platinum shank.

Accompanied by a diamond grading report from HRD Antwerp (#190000156841).

Cut – Old mine cut.

Colour – I .

Clarity – SI1.

Carat – 2.07.

Circa – 1930.

Measurements – The centre stone is 7.38 x 7.00mm. Sits 8mm from the finger.

Size – M (UK) or 6 (US). Complimentary sizing is available, can go up or down.

Metal – Platinum. Tested.

Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/830591655?

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 1930s.

Reference Numbers
Sellingantiques Reference
SA987888
Dealers Internal Reference
94511S192
Description
An absolutely fantastic old mine cut diamond solitaire ring.
“
The square cushion shaped diamond in the centre – graded by HRD Antwerp as I colour, SI1 clarity – displays incredibly light and fire.
Gatsby Jewellery Ltd

The stone is secured by split platinum claws with angular detailing in the gallery, leading to a slender platinum shank.

fig 1. A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band.
fig 1. Art Deco 2.07 Carat Old Cut Diamond Engagement Ring, Circa 1930

Accompanied by a diamond grading report from HRD Antwerp (#190000156841).

Cut – Old mine cut.

Colour – I .

Clarity – SI1.

Carat – 2.07.

Circa – 1930.

Measurements – The centre stone is 7.38 x 7.00mm. Sits 8mm from the finger.

fig 2. A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band.
fig 2. Art Deco 2.07 Carat Old Cut Diamond Engagement Ring, Circa 1930

Size – M (UK) or 6 (US). Complimentary sizing is available, can go up or down.

Metal – Platinum. Tested.

Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/830591655?

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 1930s.

Reference Numbers
Sellingantiques Ref
SA987888
Dealers Internal Ref
94511S192
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 platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band. SOLD6+ MONTHS AGO
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Archive I A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band. SOLD6+ MONTHS AGO

Art Deco 2.07 Carat Old Cut Diamond Engagement Ring, Circa 1930

Archive II A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band. View II
Archive III A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band. View III
Archive IV A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band. View IV
Archive V A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band. View V
Archive VI A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band. View VI
Archive VII A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band. View VII
Archive VIII A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band. View VIII
Archive IX A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished 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
A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band.
Art Deco 2.07 Carat Old Cut Diamond Engagement Ring, circa 1930
Ref: SA987888
A platinum solitaire ring featuring a large old cut diamond set with multiple prongs on a polished band.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1920 - 1940
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsSolitaire setting, Prong setting, 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 1920s to the 1930s, is characterised by geometric precision, clean lines, stylised motifs, and a strong emphasis on platinum settings paired with diamonds.

Jewellery from this era predominantly utilised platinum for its strength and ability to hold fine millegrain details securely, frequently housing hand-faceted old European or cushion cut diamonds.

Authentic pieces exhibit period-appropriate hand-cut stones with larger facets and smaller tables, hand-forged or cast platinum settings, and natural signs of age such as gentle wear on the metal.

An antique diamond ring can be paired with contemporary minimalist bands for a mixed-era stacked look, or worn alone as a striking statement piece against modern attire.

Regular professional checks ensure the prongs holding old cut diamonds remain secure, and cleaning should be done gently using warm soapy water and a soft brush, avoiding harsh chemical ultrasonic cleaners.
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