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Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915
The Chelsea Bijouterie Ltd
for sale €5,019     $5,448
£4,290

The Chelsea Bijouterie Ltd

Sellingantiques Verified Since Nov 2018
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Id #SA1154820
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Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915

1900 - 1920
Description

Antique 1.00ct Old Brilliant Cut Diamond Solitaire Ring – Edwardian Platinum Engagement Ring c.1915

A breathtaking expression of early 20th-century elegance, this antique platinum solitaire ring is the very embodiment of timeless romance.

Expertly hand crafted around 1915, the ring features a mesmerising old brilliant cut diamond, weighing approximately 1.00 carat. With its soft, rounded facets and gently domed top, the stone glows with a fire and charm unique to this antique cut.

The diamond is nestled in a finely pierced crown setting, its shoulders and gallery adorned with scrolling detail and milgrain edging—true to the refined artistry of the Edwardian to early Art Deco period. The platinum mount adds a cool, elegant contrast that flatters the stone’s bright clarity and warm H colour.

This exquisite ring would make a deeply romantic and meaningful engagement ring—an heirloom to be cherished for generations.

Details:

Old brilliant cut diamond: approx. 6.6mm across x 3.5mm Deep (circa 1.00 carat)

Diamond grade: H colour, SI1 clarity – bright and full of fire

Head diameter: 8.5mm, stands 7.3mm high

Size: P½ (UK) / 8 (USA) – easily resizable

Stamped 'Platinum' (partially worn)

Weight: 3.5 grams

Edwardian / early Art Deco, c.1915

In excellent antique condition (slightly thin shank at base, noted for accuracy)

Supplied in the presentation box illustrated

our ref: 1940

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.

Please visit our website to view our full collection:

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

Declaration

The Chelsea Bijouterie Ltd has dated this Edwardian Diamond Solitaire Ring to the Edwardian era.

Reference Numbers
Sellingantiques Reference
SA1154820
Dealers Internal Reference
1940
Description
Antique 1.00ct Old Brilliant Cut Diamond Solitaire Ring – Edwardian Platinum Engagement Ring c.1915
A breathtaking expression of early 20th-century elegance, this antique platinum solitaire ring is the very embodiment of timeless romance.
The Chelsea Bijouterie Ltd
fig 1. A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
fig 1. Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915

Expertly hand crafted around 1915, the ring features a mesmerising old brilliant cut diamond, weighing approximately 1.00 carat. With its soft, rounded facets and gently domed top, the stone glows with a fire and charm unique to this antique cut.

fig 2. A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
fig 2. Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915

The diamond is nestled in a finely pierced crown setting, its shoulders and gallery adorned with scrolling detail and milgrain edging—true to the refined artistry of the Edwardian to early Art Deco period. The platinum mount adds a cool, elegant contrast that flatters the stone’s bright clarity and warm H colour.

fig 3. A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
fig 3. Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915

This exquisite ring would make a deeply romantic and meaningful engagement ring—an heirloom to be cherished for generations.

Details:

Old brilliant cut diamond: approx. 6.6mm across x 3.5mm Deep (circa 1.00 carat)

fig 4. A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
fig 4. Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915

Diamond grade: H colour, SI1 clarity – bright and full of fire

Head diameter: 8.5mm, stands 7.3mm high

Size: P½ (UK) / 8 (USA) – easily resizable

Stamped 'Platinum' (partially worn)

Weight: 3.5 grams

Edwardian / early Art Deco, c.1915

fig 5. A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
fig 5. Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915

In excellent antique condition (slightly thin shank at base, noted for accuracy)

Supplied in the presentation box illustrated

our ref: 1940

Shipping:

We post worldwide free of charge

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

fig 6. A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
fig 6. Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915

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.

fig 7. A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
fig 7. Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915

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.

Please visit our website to view our full collection:

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

Date of Manufacture

The Chelsea Bijouterie Ltd has dated this Edwardian Diamond Solitaire Ring to the Edwardian era.

Reference Numbers
Sellingantiques Ref
SA1154820
Dealers Internal Ref
1940
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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A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
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Archive I A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.

Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire C1915

Archive II A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View II
Archive III A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View III
Archive IV A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View IV
Archive V A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View V
Archive VI A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View VI
Archive VII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View VII
Archive VIII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View VIII
Archive IX A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View IX
Archive X A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View X
Archive XI A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XI
Archive XII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XII
Archive XIII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XIII
Archive XIV A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XIV
Archive XV A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XV
Archive XVI A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XVI
Archive XVII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XVII
Archive XVIII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XVIII
Archive XIX A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XIX
Archive XX A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XX
Archive XXI A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XXI
Archive XXII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XXII
Archive XXIII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XXIII
Archive XXIV A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XXIV
Archive XXV A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XXV
Archive XXVI A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XXVI
Archive XXVII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XXVII
Archive XXVIII A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders. View XXVIII
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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
A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
Edwardian 1.00ct Old Brilliant Cut Diamond Ring – Antique Platinum Solitaire c1915
Ref: SA1154820
A top-down view of an Edwardian platinum solitaire ring featuring a central old cut diamond set in carved pierced shoulders.
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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.

Edwardian solitaire rings typically date from 1901 to 1915 and are characterised by delicate platinum metalwork, intricate engraving, and hand-cut diamonds such as old European cut stones.

These rings feature solid platinum settings, valued for strength and fine detailing, paired with hand-faceted diamonds with high crowns and small table facets.

Authentic pieces exhibit hand-carved detailing, milgrain borders, openwork shoulders, and hand-faceted diamonds typical of early twentieth-century lapidary work.

An antique solitaire serves as a distinct standalone engagement ring or statement piece, pairing effortlessly alongside plain platinum or white gold bands.

Clean gently using warm soapy water and a soft toothbrush, avoiding harsh chemicals, and have the claw settings inspected periodically by a jeweller.
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