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sellingantiques.co.uk
ID #SA1149627
FOR SALE
£6,650
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Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece
The Chelsea Bijouterie Ltd
for sale €7,781     $8,446
£6,650

The Chelsea Bijouterie Ltd

Sellingantiques Verified Since Nov 2018
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Id #SA1149627
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Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

1900 - 1920
Description

A masterpiece of 1920s glamour, this magnificent Art Deco diamond ring captures the essence of the era’s refined elegance and geometric sophistication.

Meticulously handcrafted in luxurious platinum, this original antique ring showcases superb craftsmanship and timeless style, making it a perfect choice for the connoisseur of fine vintage jewellery.

At its heart lie three exceptional old brilliant-cut diamonds, each expertly collet set and glowing with a captivating fire and brilliance unique to antique stones. These are complemented by a halo of twelve old-cut diamonds, creating a striking plaque-style design so characteristic of the Art Deco period.

Delicate millegrain edging adds to the ring’s intricate detail, while the pierced octagonal setting embodies the architectural finesse of early 20th-century design. This is a ring of unmistakable presence, elegance, and charm – a true statement piece for the sophisticated wearer.

Diamond Details:

Central old-cut diamond: approx. 6mm diameter

Flanking old-cut diamonds: approx. 5mm each

Twelve accent old-cut diamonds: approx. 2mm each

Total diamond weight: approx. 2.5 carats

Colour: H | Clarity: VS1

Specifications:

Dimensions of head: 21mm x 12.5mm

Height above finger: 4.5mm

Total weight: 4.3 grams

Hallmarked & tested platinum

Ring size: UK T (currently fitted with sizing beads, can be expertly resized to suit)

This antique ring remains in superb original condition. The shank is slightly slimmed due to age but may be restored during resizing, with the option to remove the sizing beads if desired.

Whether worn as a showpiece or cherished as a family heirloom, this rare and radiant Art Deco ring is certain to enchant.

Ref: 22213

Please visit our website to view our full collection:

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

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 Plaque Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1149627
Dealers Internal Reference
22213
Description
A masterpiece of 1920s glamour, this magnificent Art Deco diamond ring captures the essence of the era’s refined elegance and geometric sophistication.
“
Meticulously handcrafted in luxurious platinum, this original antique ring showcases superb craftsmanship and timeless style, making it a perfect choice for the connoisseur of fine vintage jewellery.
The Chelsea Bijouterie Ltd
fig 1. An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
fig 1. Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

At its heart lie three exceptional old brilliant-cut diamonds, each expertly collet set and glowing with a captivating fire and brilliance unique to antique stones. These are complemented by a halo of twelve old-cut diamonds, creating a striking plaque-style design so characteristic of the Art Deco period.

fig 2. An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
fig 2. Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

Delicate millegrain edging adds to the ring’s intricate detail, while the pierced octagonal setting embodies the architectural finesse of early 20th-century design. This is a ring of unmistakable presence, elegance, and charm – a true statement piece for the sophisticated wearer.

fig 3. An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
fig 3. Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

Diamond Details:

Central old-cut diamond: approx. 6mm diameter

Flanking old-cut diamonds: approx. 5mm each

Twelve accent old-cut diamonds: approx. 2mm each

Total diamond weight: approx. 2.5 carats

Colour: H | Clarity: VS1

fig 4. An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
fig 4. Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

Specifications:

Dimensions of head: 21mm x 12.5mm

Height above finger: 4.5mm

Total weight: 4.3 grams

Hallmarked & tested platinum

Ring size: UK T (currently fitted with sizing beads, can be expertly resized to suit)

fig 5. An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
fig 5. Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

This antique ring remains in superb original condition. The shank is slightly slimmed due to age but may be restored during resizing, with the option to remove the sizing beads if desired.

Whether worn as a showpiece or cherished as a family heirloom, this rare and radiant Art Deco ring is certain to enchant.

fig 6. An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
fig 6. Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

Ref: 22213

Please visit our website to view our full collection:

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

Shipping:

We post worldwide free of charge

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

Terms of Sale:

fig 7. An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
fig 7. Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

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 8. An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
fig 8. Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

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 Plaque Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1149627
Dealers Internal Ref
22213
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

Relevant Links
PDF SHARE
SAVE
An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
1 / 17
Archive I An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.

Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece

Archive II An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View II
Archive III An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View III
Archive IV An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View IV
Archive V An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View V
Archive VI An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View VI
Archive VII An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View VII
Archive VIII An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View VIII
Archive IX An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View IX
Archive X An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View X
Archive XI An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View XI
Archive XII An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View XII
Archive XIII An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View XIII
Archive XIV An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View XIV
Archive XV An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View XV
Archive XVI An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View XVI
Archive XVII An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds. View XVII
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The Chelsea Bijouterie Ltd
Telephone 07949 058 591
Location
85 Great Portland Street
London
W1W 7LT
United Kingdom
Dealer Profile Page sellingantiques.co.uk/thechelseabijouterie
Verified Since Nov 2018
Items For Sale 174
Items Sold 873
The Chelsea Bijouterie Ltd
Verified Since Nov 2018
View Dealer Info
Location: 85 Great Portland Street, London, W1W 7LT, United Kingdom
Profile: sellingantiques.co.uk/thechelseabijouterie
Verified
Nov 2018
For Sale
174
Sold
873
An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
Exquisite Art Deco 2.5ct Diamond Platinum Plaque Ring 1920s Old Cut Diamond Ring – A True Collector’s Piece
Ref: SA1149627
An Art Deco platinum plaque ring featuring three central old European cut diamonds framed by geometric milgrain borders and accent diamonds.
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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.

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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.

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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.

FAQs

An Art Deco plaque ring is characterized by a flattened, elongated geometric setting designed to cover a significant portion of the finger. Originating in the 1920s and 1930s, these rings feature symmetrical designs, openwork filigree, milgrain borders, and multiple flush-set diamonds or gemstones.

Art Deco plaque rings were predominantly crafted in platinum or white gold to achieve a crisp, monochromatic appearance. Settings were decorated with diamonds, sapphires, emeralds, or onyx, often using old European cut diamonds and intricate milgrain surface detailing.

Authentic 1920s pieces usually feature hand-finished milgrain work, geometric lattice geometry, die-struck or hand-pierced metal construction, and antique diamond cuts such as old European or single cuts. Period metal hallmarks and makers marks on the inner band also assist in identification.

A vintage diamond plaque ring serves as a statement piece that contrasts well against minimalist modern tailoring, neutral evening wear, or contemporary everyday outfits. Its low profile makes it practical for daily wear while providing a distinct historical accent.

Clean platinum diamond rings using warm water, mild soap, and a soft-bristled brush to clear dust behind settings. Avoid harsh chemicals or abrasive cleaners, and store the ring in a fabric-lined box to prevent diamond facets from scratching other items.
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