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sellingantiques.co.uk
ID #SA1090204
FOR SALE
£6,950
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Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920
AC Silver
for sale €8,132     $8,827
£6,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
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  • About Us
    Welcome to ac silver antique silver and antique jewellery specialists since 1977
  • Trade Associations
    AC Silver is a registered member of LAPADA  CINOA
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Id #SA1090204
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Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920

1900 - 1920
For Sale by AC Silver
Description

A stunning, fine and impressive antique 1.55 carat diamond and platinum solitaire ring; part of our antique engagement ring collections.

This stunning, fine and impressive diamond solitaire ring has been crafted in platinum.

The pierced decorated setting is ornamented with an impressive principal 1.39ct Old European cut diamond, four claw set in relief.

The feature diamond setting is flanked with elevated ring shoulders, each embellished with a baguette cut and an Old European cut diamond, set in a horizontal linear formation.

The shoulders integrate with the main setting and blend at a subtle cuff design with the plain hallmarked platinum shank.

This antique ring is hallmarked to the interior shank with the platinum mark (PLATINUM).

This impressive 1920s ring is supplied with an IDGL diamond grading report certificate for the feature stone, in addition to an IDGL diamond grading report card for the supporting stones.

Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone of this colour J diamond solitaire ring.

Condition

This stunning antique diamond engagement ring is excellent quality, set with an impressive feature diamond displaying a fine white colour, brilliance and presence.

The impressive supporting diamonds display a fine white colour and brilliance.

The ring is an excellent gauge of platinum and in excellent condition, with a clear hallmark to the interior shank.

Reflections in photographs may detract from the true representation of this fine example of diamond jewellery.

Diamond Quality

Feature Diamond

Colour J

Clarity VS2

Cut Old European

Content 1.39 carats

Dimensions 7.10mm (length) x 6.90mm (width) x 4.60mm (depth)

Supporting Diamonds

Colour (average grades) G

Clarity (average grades) VS1

Cut Baguette/Old European

Content 0.16 carat

Total Diamond Content

1.55 carats

Number of Diamonds

5

Dimensions

Height of setting 6.55mm/0.26'

Ring Size

UK Size M 1/2

USA Size 6 1/4

The ring size may be professionally adjusted in size on request to meet your personal requirements.

Weight

3.38 grams

Date: Circa 1920

A video is available upon request.

Physical Dimensions
Height
0.7cm (0.28")
Declaration

AC Silver has dated this Art Deco Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1090204
Dealers Internal Reference
C8826
Dealers Notes

PLEASE NOTE: AC Silver takes pride in offering only quality items for sale.

This pride in quality includes the professional, efficient and personal service extended to all AC Silver customers.

All items purchased usually dispatched within 24 hours following cleared payment.

All items are professionally and securely packaged, sent FREE of charge and are FULLY INSURED during transit.

FREE worldwide international deliveries are via FedEx International Priority Service.

AC Silver is pleased to provide a 30-day money back guarantee.

Description
A stunning, fine and impressive antique 1.55 carat diamond and platinum solitaire ring; part of our antique engagement ring collections.

This stunning, fine and impressive diamond solitaire ring has been crafted in platinum.

fig 1. An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.
fig 1. Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920

The pierced decorated setting is ornamented with an impressive principal 1.39ct Old European cut diamond, four claw set in relief.

“
The feature diamond setting is flanked with elevated ring shoulders, each embellished with a baguette cut and an Old European cut diamond, set in a horizontal linear formation.
AC Silver
fig 2. An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.
fig 2. Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920

The shoulders integrate with the main setting and blend at a subtle cuff design with the plain hallmarked platinum shank.

This antique ring is hallmarked to the interior shank with the platinum mark (PLATINUM).

fig 3. An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.
fig 3. Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920

This impressive 1920s ring is supplied with an IDGL diamond grading report certificate for the feature stone, in addition to an IDGL diamond grading report card for the supporting stones.

Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone of this colour J diamond solitaire ring.

fig 4. An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.
fig 4. Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920

Condition

This stunning antique diamond engagement ring is excellent quality, set with an impressive feature diamond displaying a fine white colour, brilliance and presence.

The impressive supporting diamonds display a fine white colour and brilliance.

fig 5. An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.
fig 5. Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920

The ring is an excellent gauge of platinum and in excellent condition, with a clear hallmark to the interior shank.

Reflections in photographs may detract from the true representation of this fine example of diamond jewellery.

fig 6. An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.
fig 6. Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920

Diamond Quality

Feature Diamond

Colour J

Clarity VS2

Cut Old European

Content 1.39 carats

Dimensions 7.10mm (length) x 6.90mm (width) x 4.60mm (depth)

Supporting Diamonds

Colour (average grades) G

Clarity (average grades) VS1

fig 7. An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.
fig 7. Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920

Cut Baguette/Old European

Content 0.16 carat

Total Diamond Content

1.55 carats

Number of Diamonds

5

Dimensions

Height of setting 6.55mm/0.26'

Ring Size

UK Size M 1/2

USA Size 6 1/4

The ring size may be professionally adjusted in size on request to meet your personal requirements.

Weight

3.38 grams

Date: Circa 1920

A video is available upon request.

Height
0.7cm (0.28")
Date of Manufacture

AC Silver has dated this Art Deco Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1090204
Dealers Internal Ref
C8826
AC Silver
AC Silver
Sellingantiques verified Since Apr 2009

Welcome to ac silver antique silver and antique jewellery specialists since 1977

Dealer Profile

You can view the stock and full dealer information on the AC Silver Profile Page

Trade Associations

AC Silver is a registered member of LAPADA  CINOA

Relevant Links
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An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.
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Archive I An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.

Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920

Archive II An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View II
Archive III An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View III
Archive IV An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View IV
Archive V An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View V
Archive VI An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View VI
Archive VII An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View VII
Archive VIII An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View VIII
Archive IX An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View IX
Archive X An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View X
Archive XI An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View XI
Archive XII An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders. View XII
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AC Silver

AC Silver
Telephone 0191 240 2645
Location
35B St Georges Terrace
Jesmond
Newcastle Upon Tyne
Tyne and Wear
NE2 2SU
United Kingdom
Dealer Profile Page sellingantiques.co.uk/ac
Verified Since Apr 2009
Items For Sale 459
Items Sold 103
AC Silver
AC Silver
Verified Since Apr 2009
View Dealer Info
Location: 35B St Georges Terrace, Jesmond, Newcastle Upon Tyne, Tyne and Wear, NE2 2SU, United Kingdom
Profile: sellingantiques.co.uk/ac
Verified
Apr 2009
For Sale
459
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An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the shoulders.
Antique 1.55ct Diamond and Platinum Solitaire Ring Circa 1920
Ref: SA1090204
An Art Deco platinum ring displaying a central round diamond flanked by baguette and round cut diamonds set into the 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.

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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

Art Deco jewellery, prominent from 1920 through the 1930s, is characterised by geometric shapes, linear symmetry, and architectural influence. Designs frequently utilise platinum mounts, step-cut accent stones such as baguettes, and clean lines to contrast with the softer curves of earlier Edwardian pieces.

During the 1920s, platinum became the primary metal of choice due to its strength and ability to be crafted into delicate, light settings. Diamonds remained the predominant gemstone, often paired with geometric baguette cuts, calibre-cut accent stones, and millgrain edge detailing.

Authentic period pieces feature hand-cut diamonds such as old European cut or transitional cut stones, alongside period metal stamps like PLAT or historic hallmark symbols inside the band. Original settings display hand-finished details, geometric gallery work, and signs of genuine historic wear to the inner shank.

A classic solitaire ring pairs with clean, modern platinum or white gold bands for a stacked look. Its neutral white metal tone allows it to integrate alongside both minimalist contemporary pieces and period jewellery without conflict.

Clean platinum diamond rings using warm water, mild soap, and a soft-bristled brush to remove dust and oil build-up behind the setting. Professional jewelers should periodically inspect the prongs and channel settings to ensure gemstone security.
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