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ID #SA1162216
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£5,950
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Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945
AC Silver
for sale €6,962     $7,557
£5,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
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    Welcome to ac silver antique silver and antique jewellery specialists since 1977
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Id #SA1162216
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Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945

1920 - 1940
For Sale by AC Silver
Description

A stunning, fine and impressive vintage 1.81 carat diamond and platinum trilogy ring; part of our diverse vintage engagement rings collection.

This stunning, fine and impressive vintage trilogy ring has been crafted in platinum.

The pierced decorated setting is ornamented with a feature 0.65ct transitional modern brilliant round cut diamond, claw set to the centre of the trilogy arrangement.

The central diamond is flanked on either side by a claw set 0.60ct and a 0.56ct transitional modern brilliant round cut diamond, completing the design.

The pierced decorated, elevated ring shoulders integrate with the main setting and blend seamlessly with the plain hallmarked ring shank.

This interior of the shank is hallmarked with the platinum mark (PLAT).

This vintage trilogy engagement ring is supplied with three IDGL diamond grading report certificates.

This round brilliant cut diamond trilogy ring symbolises the past, present, and future of a relationship - it is both deeply sentimental and timelessly sophisticated. An ideal choice for an engagement or anniversary, it also stands as a distinguished addition to any fine jewellery collection.

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.

Condition

This stunning diamond ring is excellent quality, set with impressive diamonds displaying a fine white colour, brilliance and presence; although one of the diamonds is clarity graded at P1, it shows no unsightly black inclusions.

The ring is an excellent gauge of platinum and is in excellent condition.

Reflections in photographs may detract from the true representation of this vintage three stone diamond ring.

Diamond Quality

Feature Diamond One

Colour H

Clarity SI2

Cut Round Brilliant

Content 0.65 carat

Dimensions 5.54mm (average diameter) x 3.39mm (depth)

Feature Diamond Two

Colour H

Clarity P1

Cut Round Brilliant

Content 0.60 carat

Dimensions 5.45mm (average diameter) x 3.32mm (depth)

Feature Diamond Three

Colour J

Clarity VS1

Cut Round Brilliant

Content 0.56 carat

Dimensions 5.29mm (average diameter) x 3.16mm (depth)

Total Diamond Content

1.81 carats

Number of Diamonds

3

Dimensions

Width of setting 6.04mm/0.24'

Height of setting 5.83mm/0.23'

Ring Size

UK Size N

USA Size 6 1/2

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

Weight

4.73 grams

Date: Circa 1945

A video is available upon request.

Physical Dimensions
Height
0.6cm (0.24")
Width
0.6cm (0.24")
Declaration

AC Silver has dated this Diamond Platinum Trilogy Ring to the 1940s.

Reference Numbers
Sellingantiques Reference
SA1162216
Dealers Internal Reference
C9410
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 vintage 1.81 carat diamond and platinum trilogy ring; part of our diverse vintage engagement rings collection.

This stunning, fine and impressive vintage trilogy ring has been crafted in platinum.

The pierced decorated setting is ornamented with a feature 0.

65ct transitional modern brilliant round cut diamond, claw set to the centre of the trilogy arrangement.
AC Silver
fig 1. A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
fig 1. Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945

The central diamond is flanked on either side by a claw set 0.60ct and a 0.56ct transitional modern brilliant round cut diamond, completing the design.

The pierced decorated, elevated ring shoulders integrate with the main setting and blend seamlessly with the plain hallmarked ring shank.

fig 2. A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
fig 2. Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945

This interior of the shank is hallmarked with the platinum mark (PLAT).

This vintage trilogy engagement ring is supplied with three IDGL diamond grading report certificates.

This round brilliant cut diamond trilogy ring symbolises the past, present, and future of a relationship - it is both deeply sentimental and timelessly sophisticated. An ideal choice for an engagement or anniversary, it also stands as a distinguished addition to any fine jewellery collection.

fig 3. A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
fig 3. Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945

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.

Condition

This stunning diamond ring is excellent quality, set with impressive diamonds displaying a fine white colour, brilliance and presence; although one of the diamonds is clarity graded at P1, it shows no unsightly black inclusions.

fig 4. A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
fig 4. Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945

The ring is an excellent gauge of platinum and is in excellent condition.

Reflections in photographs may detract from the true representation of this vintage three stone diamond ring.

Diamond Quality

Feature Diamond One

fig 5. A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
fig 5. Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945

Colour H

Clarity SI2

Cut Round Brilliant

Content 0.65 carat

Dimensions 5.54mm (average diameter) x 3.39mm (depth)

Feature Diamond Two

Colour H

Clarity P1

Cut Round Brilliant

Content 0.60 carat

Dimensions 5.45mm (average diameter) x 3.32mm (depth)

fig 6. A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
fig 6. Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945

Feature Diamond Three

Colour J

Clarity VS1

Cut Round Brilliant

Content 0.56 carat

Dimensions 5.29mm (average diameter) x 3.16mm (depth)

Total Diamond Content

1.81 carats

Number of Diamonds

3

Dimensions

Width of setting 6.04mm/0.24'

fig 7. A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
fig 7. Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945

Height of setting 5.83mm/0.23'

Ring Size

UK Size N

USA Size 6 1/2

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

Weight

4.73 grams

Date: Circa 1945

A video is available upon request.

Height
0.6cm (0.24")
Width
0.6cm (0.24")
Date of Manufacture

AC Silver has dated this Diamond Platinum Trilogy Ring to the 1940s.

Reference Numbers
Sellingantiques Ref
SA1162216
Dealers Internal Ref
C9410
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 trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
1 / 13
Archive I A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.

Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945

Archive II A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View II
Archive III A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View III
Archive IV A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View IV
Archive V A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View V
Archive VI A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View VI
Archive VII A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View VII
Archive VIII A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View VIII
Archive IX A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View IX
Archive X A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View X
Archive XI A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View XI
Archive XII A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. View XII
Archive XIII A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT. 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 460
Items Sold 102
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
460
Sold
102
A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
Vintage 1.81ct Diamond and Platinum Trilogy Ring Circa 1945
Ref: SA1162216
A platinum trilogy ring featuring three round brilliant diamonds set in individual claw mounts along a slender polished band stamped PLAT.
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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.

A trilogy ring features three gemstones set side by side in a single row, traditionally symbolising the past, present, and future of a relationship.

Rings from the 1940s commonly feature platinum or white gold settings paired with round brilliant or transitional cut diamonds held in multi-claw mounts.

Authentic pieces typically feature historical marks such as PLAT stamped inside the band alongside period-appropriate claw settings and hand-finished mounting details.

A platinum trilogy ring pairs easily with minimalist white gold or platinum wedding bands, and can be stacked with fine gem-set bands for a contemporary look.

Clean the ring using warm water, mild soap, and a soft brush, and have the setting periodically checked by a professional jeweller to ensure the claws remain secure.
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