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Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920
The Chelsea Bijouterie Ltd
for sale €2,094     $2,273
£1,790

The Chelsea Bijouterie Ltd

Sellingantiques Verified Since Nov 2018
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Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920

1900 - 1920
Description

Stunning Art Deco diamond solitaire engagement ring

A beautiful and timeless Art Deco diamond solitaire ring, dating to the 1920s and designed with the elegant simplicity so characteristic of the period.

At its centre is a bright and exceptionally lively old brilliant cut diamond, estimated to weigh approximately 0.70 carat. The diamond displays excellent brilliance and immense sparkle, with an estimated H colour and VS1 clarity.

It is held in a wonderfully effective scalloped platinum illusion setting. The polished platinum surrounding the stone reflects its light and increases its apparent size, giving the diamond the visual presence of a stone approaching one carat.

The raised setting is complemented by bold yet minimalist tapered platinum shoulders. These meet a warm 18ct yellow gold shank, creating the classic two-colour combination frequently seen in fine early 20th-century engagement rings. The white platinum enhances the brightness of the diamond, while the yellow gold gives the ring warmth and character.

Viewed from the side, the open setting allows light to enter beneath the diamond and reveals the attractive hand-finished construction of the mount. The diamond stands approximately 5.6mm above the shank, giving it a graceful presence on the finger without appearing overly elaborate.

This is a charming and beautifully proportioned period solitaire. Its clean design allows the quality and sparkle of the diamond to take centre stage, making it an especially romantic choice as an engagement ring.

Period: Art Deco

Date: circa 1920s

Central stone: natural old brilliant cut diamond

Diamond diameter: approximately 5.4mm

Estimated diamond weight: approximately 0.70 carat

Estimated colour: H

Estimated clarity: VS1

Ring head: approximately 6.5mm across

Diamond height: approximately 5.6mm above the shank

Setting: scalloped platinum illusion setting

Shoulders: tapered platinum

Shank: 18ct yellow gold

Marks: marked for 18ct gold and platinum

Ring size: O UK / 7.75 US

Resizing: the ring should resize readily

Weight: 3.4 grams

Condition: in excellent overall condition

Please note: the shank is slightly thin at the base

It comes in the presentation box illustrated

Our reference: 2396

Please visit our website to view our full collection:

https://www.the-chelsea-bijouterie.com

Payment:

By Debit/ Credit Card, PayPal or Bank Transfer

Shipping:

We post worldwide free of charge

All items are sent fully insured, tracked and signed for.

Terms of Sale:

We are totally committed to customer satisfaction. We take great care to give accurate and detailed descriptions accompanied by high definition photos. If you are not entirely happy with your purchase we will gladly offer you a full refund. Please return within 14 days of receipt of your purchase.

About Us:

We have years of knowledge and experience in dealing in antiques and antique & designer jewellery. We are committed to giving exceptional customer service. The Chelsea Bijouterie aims to offer beautiful and interesting items at affordable prices.

Declaration

The Chelsea Bijouterie Ltd has dated this Art Deco Diamond Solitaire Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1224081
Dealers Internal Reference
2396
Description
Stunning Art Deco diamond solitaire engagement ring
A beautiful and timeless Art Deco diamond solitaire ring, dating to the 1920s and designed with the elegant simplicity so characteristic of the period.
The Chelsea Bijouterie Ltd
fig 1. An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
fig 1. Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920

At its centre is a bright and exceptionally lively old brilliant cut diamond, estimated to weigh approximately 0.70 carat. The diamond displays excellent brilliance and immense sparkle, with an estimated H colour and VS1 clarity.

fig 2. An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
fig 2. Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920

It is held in a wonderfully effective scalloped platinum illusion setting. The polished platinum surrounding the stone reflects its light and increases its apparent size, giving the diamond the visual presence of a stone approaching one carat.

fig 3. An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
fig 3. Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920

The raised setting is complemented by bold yet minimalist tapered platinum shoulders. These meet a warm 18ct yellow gold shank, creating the classic two-colour combination frequently seen in fine early 20th-century engagement rings. The white platinum enhances the brightness of the diamond, while the yellow gold gives the ring warmth and character.

fig 4. An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
fig 4. Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920

Viewed from the side, the open setting allows light to enter beneath the diamond and reveals the attractive hand-finished construction of the mount. The diamond stands approximately 5.6mm above the shank, giving it a graceful presence on the finger without appearing overly elaborate.

fig 5. An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
fig 5. Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920

This is a charming and beautifully proportioned period solitaire. Its clean design allows the quality and sparkle of the diamond to take centre stage, making it an especially romantic choice as an engagement ring.

fig 6. An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
fig 6. Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920

Period: Art Deco

Date: circa 1920s

Central stone: natural old brilliant cut diamond

Diamond diameter: approximately 5.4mm

Estimated diamond weight: approximately 0.70 carat

Estimated colour: H

Estimated clarity: VS1

fig 7. An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
fig 7. Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920

Ring head: approximately 6.5mm across

Diamond height: approximately 5.6mm above the shank

Setting: scalloped platinum illusion setting

Shoulders: tapered platinum

Shank: 18ct yellow gold

Marks: marked for 18ct gold and platinum

Ring size: O UK / 7.75 US

Resizing: the ring should resize readily

Weight: 3.4 grams

Condition: in excellent overall condition

Please note: the shank is slightly thin at the base

It comes in the presentation box illustrated

Our reference: 2396

Please visit our website to view our full collection:

https://www.the-chelsea-bijouterie.com

Payment:

By Debit/ Credit Card, PayPal or Bank Transfer

Shipping:

We post worldwide free of charge

All items are sent fully insured, tracked and signed for.

Terms of Sale:

We are totally committed to customer satisfaction. We take great care to give accurate and detailed descriptions accompanied by high definition photos. If you are not entirely happy with your purchase we will gladly offer you a full refund. Please return within 14 days of receipt of your purchase.

About Us:

We have years of knowledge and experience in dealing in antiques and antique & designer jewellery. We are committed to giving exceptional customer service. The Chelsea Bijouterie aims to offer beautiful and interesting items at affordable prices.

Date of Manufacture

The Chelsea Bijouterie Ltd has dated this Art Deco Diamond Solitaire Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1224081
Dealers Internal Ref
2396
The Chelsea Bijouterie Ltd
Sellingantiques verified Since Nov 2018
Dealer Profile

You can view the stock and full dealer information on the The Chelsea Bijouterie Ltd Profile Page

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An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
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Archive I An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.

Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, Circa 1920

Archive II An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band. View II
Archive III An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band. View III
Archive IV An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band. View IV
Archive V An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band. View V
Archive VI An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band. View VI
Archive VII An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band. View VII
Archive VIII An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band. View VIII
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Location
85 Great Portland Street
London
W1W 7LT
United Kingdom
Verified Since Nov 2018
Items For Sale 173
Items Sold 873
The Chelsea Bijouterie Ltd
Verified Since Nov 2018
View Dealer Info
Location: 85 Great Portland Street, London, W1W 7LT, United Kingdom
Verified
Nov 2018
For Sale
173
Sold
873
An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
Art Deco Diamond Solitaire Engagement Ring 18ct Gold and Platinum, circa 1920
Ref: SA1224081
An Art Deco diamond solitaire ring featuring a round central diamond held in a platinum setting on an 18ct yellow gold band.
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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.

Art Deco solitaire rings from the 1920s combine geometric simplicity with fine craftsmanship, typically featuring a single central diamond mounted in a platinum head paired with an 18ct yellow gold band.

During this era, jewellers frequently combined 18ct yellow gold for the shank with platinum for the setting head, as platinum enhanced the brightness and perceived whiteness of the central diamond.

Authentic pieces feature period hallmarks, platinum-faced shoulders or settings over gold bands, and period-appropriate diamond cuts such as old European or early round brilliant cuts.

A 1920s solitaire ring offers timeless versatility, functioning seamlessly as a classic engagement ring or stacked with modern fine gold bands for a contemporary mixed-metal aesthetic.

Clean the diamond using lukewarm water, mild detergent, and a soft brush, ensuring the claws are checked regularly by a professional jeweller to maintain secure gemstone setting.
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