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Art Deco 18ct Gold Platinum Diamond Solitaire Engagement Ring
Sold by Catherines Antique Jewellery Box
sold SA1167514
Sorry, but this item has been sold.
Catherines Antique Jewellery Box

Catherines Antique Jewellery Box

Sellingantiques Verified Since Nov 2024
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    Antique jewellery finds of classic timeless quality and design
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Art Deco 18ct Gold Platinum Diamond Solitaire Engagement Ring

1920 - 1940
Sold 9 October 2025 · Catherines Antique Jewellery Box
This “Art Deco 18ct Gold Platinum Diamond Solitaire Engagement Ring” found a buyer.

It was listed by Catherines Antique Jewellery Box. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

Description

Pretty Art Deco Platinum Diamond Solitaire Engagement Ring 0.50ct total. This superb quality single stone ring has a very bright white old transitional cut diamond of 5.2mm x 5.2mm diamond of 0.50ct which is a really good white diamond estimated colour H-I, estimated clarity approx. SI2 - I1. There are six further small bright diamonds of 1 point each to the shoulders. The diamond sparkles so beautifully and is set into 18ct gold band. This ring is stamped for 18ct gold and the stones are set into platinum and dates to the art deco period 1930s /1940s. This ring would make a wonderful engagement ring with plenty of wow factor and a timeless feel of antique cuts. The stones are all set in a strong and protective platinum setting. The ring is in excellent condition for its age, the shank has been repolished. There are some inclusions and a few feather inclusions when seen through magnification but the stone is giving a good amount of light and sparkle. Size UK P.5 and U.S Size 7 3/4 the total weight is 2.4g.

Please Check Sizes And Weights As JEWELLERY IMAGES ARE ENLARGED. Dark areas are reflections on the gold.

BUY WITH CONFIDENCE: I try to accurately describe my items. I never knowingly mis-sell any item, so please read the description carefully. All items are checked by a professional Jeweller for authenticity; however no certificates are provided. If for any reason the item is found not to be genuine or as described a full refund will be given. So please buy with confidence.

Your jewellery will come in a modern gift box and not necessarily the one in the photograph.

Please also note that Antique and Vintage items will show some signs of wear commensurate with age.

Returns are accepted however buyer must pay return postage.

Finally - by purchasing a Used /Vintage/ Antique ring you are recycling a beautiful piece of jewellery and gemstone. In buying a ring which has been in circulation for this long is the most environmentally ethical way to purchase jewellery. Purchasing antique jewellery allows you to both support smaller local businesses and but encouraging the reuse of the vast amount of timeless jewels that are already in circulation and reduces the demand for further stripping of our planets resources.

Declaration

Catherines Antique Jewellery Box has dated this Art Deco Diamond Ring to the 1930s.

Reference Numbers
Sellingantiques Reference
SA1167514
Dealers Internal Reference
CT654
Description
Pretty Art Deco Platinum Diamond Solitaire Engagement Ring 0.50ct total. This superb quality single stone ring has a very bright white old transitional cut diamond of 5.2mm x 5.2mm diamond of 0.50ct which is a really good white diamond estimated colour H-I, estimated clarity approx. SI2 - I1. There are six further small bright diamonds of 1 point each to the shoulders. The diamond sparkles so beautifully and is set into 18ct gold band.
“
This ring is stamped for 18ct gold and the stones are set into platinum and dates to the art deco period 1930s /1940s.
Catherines Antique Jewellery Box

This ring would make a wonderful engagement ring with plenty of wow factor and a timeless feel of antique cuts. The stones are all set in a strong and protective platinum setting. The ring is in excellent condition for its age, the shank has been repolished. There are some inclusions and a few feather inclusions when seen through magnification but the stone is giving a good amount of light and sparkle. Size UK P.5 and U.S Size 7 3/4 the total weight is 2.4g.

fig 1. An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing.
fig 1. Art Deco 18ct Gold Platinum Diamond Solitaire Engagement Ring

Please Check Sizes And Weights As JEWELLERY IMAGES ARE ENLARGED. Dark areas are reflections on the gold.

BUY WITH CONFIDENCE: I try to accurately describe my items. I never knowingly mis-sell any item, so please read the description carefully. All items are checked by a professional Jeweller for authenticity; however no certificates are provided. If for any reason the item is found not to be genuine or as described a full refund will be given. So please buy with confidence.

fig 2. An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing.
fig 2. Art Deco 18ct Gold Platinum Diamond Solitaire Engagement Ring

Your jewellery will come in a modern gift box and not necessarily the one in the photograph.

Please also note that Antique and Vintage items will show some signs of wear commensurate with age.

Returns are accepted however buyer must pay return postage.

fig 3. An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing.
fig 3. Art Deco 18ct Gold Platinum Diamond Solitaire Engagement Ring

Finally - by purchasing a Used /Vintage/ Antique ring you are recycling a beautiful piece of jewellery and gemstone. In buying a ring which has been in circulation for this long is the most environmentally ethical way to purchase jewellery. Purchasing antique jewellery allows you to both support smaller local businesses and but encouraging the reuse of the vast amount of timeless jewels that are already in circulation and reduces the demand for further stripping of our planets resources.

Date of Manufacture

Catherines Antique Jewellery Box has dated this Art Deco Diamond Ring to the 1930s.

Reference Numbers
Sellingantiques Ref
SA1167514
Dealers Internal Ref
CT654
Catherines Antique Jewellery Box
Catherines Antique Jewellery Box
Sellingantiques verified Since Nov 2024

Antique jewellery finds of classic timeless quality and design

Dealer Profile

You can view the stock and full dealer information on the Catherines Antique Jewellery Box Profile Page

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An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. SOLD6+ MONTHS AGO
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Archive I An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. SOLD6+ MONTHS AGO

Art Deco 18ct Gold Platinum Diamond Solitaire Engagement Ring

Archive II An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. View II
Archive III An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. View III
Archive IV An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. View IV
Archive V An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. View V
Archive VI An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. View VI
Archive VII An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. View VII
Archive VIII An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. View VIII
Archive IX An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing. View IX
Enlarged Archival View
Telephone 07908 074712
Location
Somerset
United Kingdom
Dealer Profile Page sellingantiques.co.uk/sgolda
Verified Since Nov 2024
Items For Sale 41
Items Sold 261
Catherines Antique Jewellery Box
Catherines Antique Jewellery Box
Verified Since Nov 2024
View Dealer Info
Location: Somerset, United Kingdom
Verified
Nov 2024
For Sale
41
Sold
261
An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing.
Art Deco 18ct gold Platinum Diamond Solitaire Engagement Ring
Ref: SA1167514
An antique Art Deco diamond ring featuring a central stone set in platinum with gold accents and geometric detailing.
Detail View 1
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Archival Detail
Every single antique dealer on our platform is individually approved by our internal team. We verify their professional trade history, ethical standards, and photographic quality to ensure a secure, high-standard buying environment. Upon joining, every dealer agrees to a strict 9-point code of conduct. While issues can occasionally arise, our dealers typically resolve them swiftly and directly with the buyer. In fact, since our founding in 2002, Sellingantiques has only had to step in to help resolve an issue on roughly five occasions—a true testament to the quality of our dealers and their dedication to your happiness.
Our dealers are highly experienced in packing and shipping fragile, high-value antiques. Because you are in direct contact with the dealer, you will be able to easily go through all available shipping and insurance options together to ensure your item arrives safely.
Antiques are the ultimate green purchase. By choosing historical pieces over newly manufactured goods, you completely eliminate the carbon footprint of modern mass production while preserving exceptional, timeless craftsmanship.
Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectEngagement Rings
  • Period1920 - 1940
  • StyleArt Deco
  • Material18ct Gold, Platinum, Diamond
  • ColourSilver and Gold
  • MotifsGeometric setting, Millegrain edge, Old cut diamond, Shoulder accents

Art Deco jewellery, prominent from the 1920s to the 1930s, is characterised by geometric shapes, clean lines, stylised symmetry, and the prominent pairing of diamonds with platinum.

Jewellery from the Art Deco period frequently utilised platinum for its strength and ability to hold intricate settings, alongside yellow or white gold for bands.

Authentic pieces often feature hand-cut stones such as old European or transitional cuts, alongside period hallmark stamps, millegrain detailing, and artisan hand-fabrication marks.

An antique ring pairs effectively with contemporary minimalist bands or can serve as a striking standalone statement piece against modern fashion aesthetics.

Regular professional inspections of the settings are recommended to ensure stones remain secure, alongside gentle cleaning using warm soapy water and a soft brush, avoiding harsh ultrasonic cleaners on fragile settings.
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