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ID #SA1235143
FOR SALE
£2,700
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Vintage 0.86 Carat Old Cut Diamond Engagement Ring, Circa 1930
For sale by Gatsby Jewellery Ltd
for sale €3,159     $3,429
£2,700
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 #SA1235143
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Vintage 0.86 Carat Old Cut Diamond Engagement Ring, Circa 1930

1920 - 1940
Description

A charming and characterful Art Deco diamond ring, crafted in platinum. The ring is centred by a beautifully wonky old mine cut diamond which displays a soft, warm glow. The stone is secured by eight-claws above a scalloped back-plate, between intricately crafted shoulders set with a further six (three each side) eight-cut diamonds, to a D-shaped shank.

Accompanied by an independent jewellery report from WGI.

Cut:  Old mine cut in the centre and eight-cuts in the shoulders.

Colour:  The centre is N. The diamonds in the shoulders range between H and I.

Clarity:  The centre is VS1. The diamonds in the shoulders range between VS2 and SI1.

Carat:  The centre is 0.86 carat, with a further approximate 0.10 carat in the shoulders.

Circa:  1930.

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

Measurements:  The centre diamond is 5.20 x 5.12mm. Sits 6.2mm from the finger.

Weight:  3.66 grams.

Metal:  Stamped PLAT, indicating platinum, and tested with a Niton DXL Precious Metal Analyzer to confirm.

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/vintage-0-86-carat-old-cut-diamond-engagement-ring-circa-1930

Item # 83914S012

Date of Manufacture

Gatsby Jewellery Ltd has dated this 1930s Diamond Engagement Ring to the 1930s.

Independent Date Check ID 09646001
Dealer's Item Date1930s
Sellingantiques Date1930s
Sellingantiques agingItem 85-105 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to THE 1930s:
Old mine cut centre stone with a small table: hand faceting from an earlier date.
Geometric openwork pierced platinum gallery: metalwork of the 1930s.
Single-cut accent diamonds in the shoulders: early twentieth-century cutting style.
Soft rubbing across the pierced shoulder details: age and wear from handling.

This is an independent date report produced by Sellingantiques using its own proprietary system. The process uses the photographs shown on this page. The system is never told the date the dealer has declared. This report shows that the two dates corroborate.

Reference Numbers
Sellingantiques Reference
SA1235143
Dealers Internal Reference
83914S012
Description
A charming and characterful Art Deco diamond ring, crafted in platinum. The ring is centred by a beautifully wonky old mine cut diamond which displays a soft, warm glow.
“
The stone is secured by eight-claws above a scalloped back-plate, between intricately crafted shoulders set with a further six (three each side) eight-cut diamonds, to a D-shaped shank.
Gatsby Jewellery Ltd
fig 1. An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting.
fig 1. Vintage 0.86 Carat Old Cut Diamond Engagement Ring, Circa 1930

Accompanied by an independent jewellery report from WGI.

Cut:  Old mine cut in the centre and eight-cuts in the shoulders.

Colour:  The centre is N. The diamonds in the shoulders range between H and I.

Clarity:  The centre is VS1. The diamonds in the shoulders range between VS2 and SI1.

fig 2. An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting.
fig 2. Vintage 0.86 Carat Old Cut Diamond Engagement Ring, Circa 1930

Carat:  The centre is 0.86 carat, with a further approximate 0.10 carat in the shoulders.

Circa:  1930.

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

Measurements:  The centre diamond is 5.20 x 5.12mm. Sits 6.2mm from the finger.

fig 3. An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting.
fig 3. Vintage 0.86 Carat Old Cut Diamond Engagement Ring, Circa 1930

Weight:  3.66 grams.

Metal:  Stamped PLAT, indicating platinum, and tested with a Niton DXL Precious Metal Analyzer to confirm.

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/vintage-0-86-carat-old-cut-diamond-engagement-ring-circa-1930

Item # 83914S012

Date of Manufacture

Gatsby Jewellery Ltd has dated this 1930s Diamond Engagement Ring to the 1930s.

Independent Date Report ID 09646001
Dealer's Item Date1930s
Sellingantiques dating1930s
Sellingantiques agingItem 85-105 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to the 1930s:
Old mine cut centre stone with a small table: hand faceting from an earlier date.
Geometric openwork pierced platinum gallery: metalwork of the 1930s.
Single-cut accent diamonds in the shoulders: early twentieth-century cutting style.
Soft rubbing across the pierced shoulder details: age and wear from handling.

This is an independent date report produced by Sellingantiques using its own proprietary system. The process uses the photographs shown on this page. The system is never told the date the dealer has declared. This report shows that the two dates corroborate.

Reference Numbers
Sellingantiques Ref
SA1235143
Dealers Internal Ref
83914S012
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 Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting.
1 / 9
Archive I An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting.

Vintage 0.86 Carat Old Cut Diamond Engagement Ring, Circa 1930

Archive II An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting. View II
Archive III An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting. View III
Archive IV An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting. View IV
Archive V An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting. View V
Archive VI An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting. View VI
Archive VII An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting. View VII
Archive VIII An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting. View VIII
Archive IX An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting. View IX
Enlarged Archival View
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 2,981
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
2,981
An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting.
Vintage 0.86 Carat Old Cut Diamond Engagement Ring, circa 1930
Ref: SA1235143
An Art Deco style white metal ring featuring a central old European cut diamond set in an ornate pierced basket setting.
Detail View 1
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Detail View 5
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Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectEngagement Rings
  • Period1920 - 1940
  • StyleArt Deco
  • MaterialPlatinum, White Gold, Diamond
  • ColourSilver
  • MotifsOld European cut diamond, Pierced shoulders, Filigree basket setting, Claw setting

This 1930 Art Deco engagement ring consists of a platinum band set with diamonds. The central old mine cut diamond is secured in an eight-claw scalloped back-plate setting, accompanied by six smaller eight-cut diamonds set into the pierced shoulders, leading to a D-shaped shank. The metal exhibits a silver colour, while the central diamond displays a warm yellow tint. Appropriate for wear as an engagement ring, this piece fits a UK size L or US size 5 1/2. The central diamond measures 5.20 x 5.12 mm and the setting sits 6.2 mm from the finger, with a total weight of 3.66 grams.

FAQs

Art Deco rings from the 1930s feature geometric proportions, intricate filigree detail, and transitional or old European cut diamonds set in white precious metals.

Rings from this period were predominantly crafted from platinum, white gold, or iridium alloys, often featuring hand-pierced shoulders and claw-set central gemstones.

Authentic pieces display high crowns, small table facets, and open culets characteristic of old European cuts, paired with period-accurate hallmarks and hand-carved details.

Vintage diamond rings pair effectively with plain platinum or white gold wedding bands, or layered alongside minimalist modern rings to create a refined contrast.

Clean setting areas using warm water, mild soap, and a soft brush, ensuring periodic professional inspections of the claws to maintain stone security.
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