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Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925
Sold by AC Silver
sold SA1145316
Sorry, but this item has been sold.
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
Browse dealers 449 items
  • 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 #SA1145316
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Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925

1900 - 1920
Sold by AC Silver
Sold 28 January 2026 · AC Silver
This “Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925” found a buyer.

It was listed by AC Silver. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

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Description

A stunning, fine and impressive antique Art Deco 0.91 carat diamond solitaire ring in platinum; part of our antique engagement ring collections.

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

The ring displays a stunning feature 0.73ct transitional modern brilliant round cut diamond, eight-claw set in subtle relief.

The elevated, pierced decorated shoulders are each ornamented with a collet set baguette cut diamond, blending seamlessly with the plain hallmarked ring shank.

The diamond ring is hallmarked to the interior of the shank with the platinum mark (PLAT).

This impressive Art Deco engagement 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 Art Deco diamond solitaire ring makes a remarkable gift for life's most memorable moments - from unique engagements and milestone anniversaries to significant birthdays or personal achievements.

Images do not always reflect the true colour and brilliance of diamonds. The video however provides a truer representation of the actual colour and showcases each stone in this fine example of Art Deco jewellery.

Condition

This stunning antique platinum solitaire ring is excellent quality, set with a stunning 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 of the shank.

Reflections in photographs may detract from the true representation of this Art Deco diamond ring in platinum.

Diamond Quality

Feature Diamond

Colour J

Clarity SI1

Cut Round Brilliant

Content 0.73 carat

Dimensions 5.79mm (average diameter) x 3.38mm (depth)

Supporting Diamonds

Colour (average grades) F

Clarity (average grades) VVS1

Cut Baguette

Content 0.18 carat

Total Diamond Content

0.91 carat

Number of Diamonds

3

Dimensions

Height of setting 4.9mm/0.19'

Ring Size

UK Size L

USA Size 5 1/2

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

Weight

2.33 grams

Date: Circa 1925

A video is available upon request.

Physical Dimensions
Height
0.5cm (0.20")
Declaration

AC Silver has dated this Platinum Diamond Solitaire Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1145316
Dealers Internal Reference
C9282
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 Art Deco 0.91 carat diamond solitaire ring in platinum; part of our antique engagement ring collections.
“
This stunning, fine and impressive antique Art Deco diamond solitaire ring has been crafted in platinum.
AC Silver
fig 1. An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders.
fig 1. Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925

The ring displays a stunning feature 0.73ct transitional modern brilliant round cut diamond, eight-claw set in subtle relief.

The elevated, pierced decorated shoulders are each ornamented with a collet set baguette cut diamond, blending seamlessly with the plain hallmarked ring shank.

fig 2. An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders.
fig 2. Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925

The diamond ring is hallmarked to the interior of the shank with the platinum mark (PLAT).

This impressive Art Deco engagement 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. An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders.
fig 3. Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925

This Art Deco diamond solitaire ring makes a remarkable gift for life's most memorable moments - from unique engagements and milestone anniversaries to significant birthdays or personal achievements.

Images do not always reflect the true colour and brilliance of diamonds. The video however provides a truer representation of the actual colour and showcases each stone in this fine example of Art Deco jewellery.

fig 4. An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders.
fig 4. Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925

Condition

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

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

fig 5. An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders.
fig 5. Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925

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

Reflections in photographs may detract from the true representation of this Art Deco diamond ring in platinum.

fig 6. An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders.
fig 6. Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925

Diamond Quality

Feature Diamond

Colour J

Clarity SI1

Cut Round Brilliant

Content 0.73 carat

Dimensions 5.79mm (average diameter) x 3.38mm (depth)

Supporting Diamonds

Colour (average grades) F

Clarity (average grades) VVS1

fig 7. An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders.
fig 7. Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925

Cut Baguette

Content 0.18 carat

Total Diamond Content

0.91 carat

Number of Diamonds

3

Dimensions

Height of setting 4.9mm/0.19'

Ring Size

UK Size L

USA Size 5 1/2

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

Weight

2.33 grams

Date: Circa 1925

A video is available upon request.

Height
0.5cm (0.20")
Date of Manufacture

AC Silver has dated this Platinum Diamond Solitaire Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1145316
Dealers Internal Ref
C9282
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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An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. SOLD6+ MONTHS AGO
1 / 14
Archive I An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. SOLD6+ MONTHS AGO

Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925

Archive II An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View II
Archive III An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View III
Archive IV An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View IV
Archive V An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View V
Archive VI An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View VI
Archive VII An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View VII
Archive VIII An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View VIII
Archive IX An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View IX
Archive X An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View X
Archive XI An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View XI
Archive XII An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View XII
Archive XIII An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View XIII
Archive XIV An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders. View XIV
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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 449
Items Sold 111
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
449
Sold
111
An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders.
Antique Art Deco 0.91ct Diamond and Platinum Solitaire Ring Circa 1925
Ref: SA1145316
An antique platinum Art Deco ring featuring a central round diamond flanked by baguette-cut diamonds on the shoulders.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsGeometric shoulders, Baguette accent stones, Prong setting
  • SizeH 0.5 cm (0 in)

FAQs

Art Deco jewellery, prominent during the 1920s and 1930s, is characterised by geometric precision, symmetrical lines, and a strong architectural influence, frequently utilising platinum paired with contrasting gemstones.

Platinum became the metal of choice during the Art Deco period due to its exceptional strength, allowing jewellers to create delicate yet secure settings for diamonds without obscuring the stones.

Authentic pieces typically exhibit hand-cut stones specific to the era, such as old European cuts or baguettes, hand-engraved details, and genuine period hallmarking or metal purity stamps.

An antique ring pairs seamlessly with contemporary minimalist attire to create a striking contrast, or it can be stacked with modern bands for an eclectic, curated look.

Maintain antique pieces by having settings professionally inspected annually, storing them individually in soft-lined boxes, and cleaning them gently with warm soapy water and a soft brush.
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