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ID #SA1190885
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£4,950
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Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920
AC Silver
for sale €5,792     $6,287
£4,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
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Id #SA1190885
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Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

1900 - 1920
For Sale by AC Silver
Description

A stunning, fine and impressive antique 1.04 carat diamond and platinum solitaire ring; part of our collection of diamond engagement rings.

This stunning, fine and impressive antique 1920s engagement ring has been crafted in platinum.

The pierced decorated setting displays a stunning feature four-claw set 0.75ct transitional modern brilliant round cut diamond.

The splayed ring shoulders are each embellished with four pavé set collet set eight cut diamonds, conjoining with a collet set marquise cut diamond, to a plain hallmarked ring shank.

The ring is hallmarked to the interior shank with the platinum mark (.900 PLATINUM 100 IRID).

This impressive 1920s diamond 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.

This 1920s platinum diamond engagement ring offers historic character and refined craftsmanship, making it an exceptional choice for proposals, anniversaries, or collectors who value heritage and individuality.

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 in this stunning example of 1920s diamond jewellery.

Condition

This stunning antique 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.

This 1920s diamond solitaire ring is an excellent gauge of platinum and is in excellent condition, with clear hallmarks to the interior of the shank.

The ring has a fine and delicate shank, which is often the case with original antique rings.

Reflections in photographs may detract from the true representation in this diamond engagement ring.

Diamond Quality

Feature Diamond

Colour G

Clarity VS2

Cut Round Brilliant

Content 0.75 carat

Dimensions 5.85mm (average diameter) x 3.40mm (depth)

Supporting Diamonds

Colour (average grades) G

Clarity (average grades) VS2

Cut Marquise/Eight

Content 0.29 carat

Total Diamond Content

1.04 carats

Number of Diamonds

11

Dimensions

Length of setting 1.8cm/0.71'

Width of setting 6.26mm/0.25'

Height of setting 5.22mm/0.21'

Ring Size

UK Size P 1/2

USA Size 7 3/4

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

Weight

3.79 grams

Date: Circa 1920

A video is available upon request.

Physical Dimensions
Height
0.5cm (0.20")
Width
0.6cm (0.24")
Depth
1.8cm (0.71")
Declaration

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

Reference Numbers
Sellingantiques Reference
SA1190885
Dealers Internal Reference
C9583
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 1.04 carat diamond and platinum solitaire ring; part of our collection of diamond engagement rings.

This stunning, fine and impressive antique 1920s engagement ring has been crafted in platinum.

fig 1. A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
fig 1. Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

The pierced decorated setting displays a stunning feature four-claw set 0.75ct transitional modern brilliant round cut diamond.

The splayed ring shoulders are each embellished with four pavé set collet set eight cut diamonds, conjoining with a collet set marquise cut diamond, to a plain hallmarked ring shank.
AC Silver
fig 2. A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
fig 2. Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

The ring is hallmarked to the interior shank with the platinum mark (.900 PLATINUM 100 IRID).

This impressive 1920s diamond 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.

fig 3. A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
fig 3. Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

This 1920s platinum diamond engagement ring offers historic character and refined craftsmanship, making it an exceptional choice for proposals, anniversaries, or collectors who value heritage and individuality.

fig 4. A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
fig 4. Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

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 in this stunning example of 1920s diamond jewellery.

fig 5. A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
fig 5. Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

Condition

This stunning antique 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 6. A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
fig 6. Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

This 1920s diamond solitaire ring is an excellent gauge of platinum and is in excellent condition, with clear hallmarks to the interior of the shank.

The ring has a fine and delicate shank, which is often the case with original antique rings.

fig 7. A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
fig 7. Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

Reflections in photographs may detract from the true representation in this diamond engagement ring.

Diamond Quality

Feature Diamond

Colour G

Clarity VS2

Cut Round Brilliant

Content 0.75 carat

Dimensions 5.85mm (average diameter) x 3.40mm (depth)

fig 8. A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
fig 8. Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

Supporting Diamonds

Colour (average grades) G

Clarity (average grades) VS2

Cut Marquise/Eight

Content 0.29 carat

Total Diamond Content

1.04 carats

Number of Diamonds

11

Dimensions

Length of setting 1.8cm/0.71'

Width of setting 6.26mm/0.25'

fig 9. A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
fig 9. Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

Height of setting 5.22mm/0.21'

Ring Size

UK Size P 1/2

USA Size 7 3/4

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

Weight

3.79 grams

Date: Circa 1920

A video is available upon request.

Height
0.5cm (0.20")
Width
0.6cm (0.24")
Depth
1.8cm (0.71")
Date of Manufacture

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

Reference Numbers
Sellingantiques Ref
SA1190885
Dealers Internal Ref
C9583
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

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A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
1 / 13
Archive I A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.

Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920

Archive II A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View II
Archive III A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View III
Archive IV A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View IV
Archive V A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View V
Archive VI A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View VI
Archive VII A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View VII
Archive VIII A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View VIII
Archive IX A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View IX
Archive X A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View X
Archive XI A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View XI
Archive XII A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View XII
Archive XIII A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders. View XIII
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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
Verified
Apr 2009
For Sale
459
Sold
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A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
Antique 1.04ct Diamond and Platinum Solitaire Ring Circa 1920
Ref: SA1190885
A platinum Art Deco solitaire ring featuring a central round diamond with geometric diamond-set shoulders.
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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.

Art Deco solitaire rings typically feature a central gemstone set within platinum, incorporating geometric shoulders, linear metalwork, and structured design elements characteristic of the 1920s movement.

Rings from this era were predominantly crafted from platinum or white gold to accentuate white diamonds, frequently utilising platinum-iridium alloys to provide strength for intricate filigree and carved details.

Authentic pieces from the era often display period-accurate stamps such as platinum alloy markers, die-struck mountings, hand-carved geometric accents, and diamond cuts typical of the early twentieth century.

An antique solitaire ring functions as a focal piece that pairs directly with clean, unadorned platinum or white gold bands to complement modern minimal jewellery.

Maintain the ring by cleaning with warm water, mild detergent, and a soft brush, alongside routine professional checks of the claws to secure the settings.
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