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sellingantiques.co.uk
ID #SA1072455
FOR SALE
£24,950
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Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950
AC Silver
for sale €29,192     $31,687
£24,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
View Dealers Stock Page
  • 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 #SA1072455
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Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950

1940 - 1960
For Sale by AC Silver
Description

A magnificent, stunning, fine and impressive vintage 3.40 carat diamond and platinum trilogy ring; part of our diverse vintage engagement rings collection.

This magnificent, fine and impressive vintage three stone ring has been crafted in platinum.

The pierced decorated setting is ornamented with a feature 1.87ct 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 0.77ct and a 0.76ct 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 three stone engagement ring is supplied with three European Diamond Report (EDR) certificates.

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 trilogy ring is exceptional quality, set with stunning high graded and evenly colour matched diamonds displaying a fine white colour, brilliance and presence.

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

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

Diamond Quality

Feature Diamond One

Colour F

Clarity VS2

Cut Round Brilliant

Content 1.87 carats

Dimensions 8.10mm (length) x 8.15mm (width) x 4.70mm (depth)

Feature Diamond Two

Colour F

Clarity VS1

Cut Round Brilliant

Content 0.77 carat

Dimensions 5.88mm (length) x 5.95mm (width) x 3.56mm (depth)

Feature Diamond Three

Colour F

Clarity VS1

Cut Round Brilliant

Content 0.76 carat

Dimensions 5.93mm (length) x 6.00mm (width) x 3.49mm (depth)

Total Diamond Content

3.40 carats

Number of Diamonds

3

Dimensions

Length of setting 2.08cm/0.82'

Width of setting 8.48mm/0.33'

Height of setting 6.02mm/0.24'

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

6.95 grams

Date: Circa 1950

A video is available upon request.

Physical Dimensions
Height
0.2cm (0.08")
Width
0.3cm (0.12")
Depth
0.8cm (0.31")
Declaration

AC Silver has dated this Diamond Platinum Trilogy Ring to the 1950s.

Reference Numbers
Sellingantiques Reference
SA1072455
Dealers Internal Reference
C8639
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 magnificent, stunning, fine and impressive vintage 3.40 carat diamond and platinum trilogy ring; part of our diverse vintage engagement rings collection.

This magnificent, fine and impressive vintage three stone ring has been crafted in platinum.

The pierced decorated setting is ornamented with a feature 1.

“
87ct 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 cut diamonds set in individual multi-claw settings along a polished platinum band.
fig 1. Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950

The central diamond is flanked on either side by a claw set 0.77ct and a 0.76ct 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 cut diamonds set in individual multi-claw settings along a polished platinum band.
fig 2. Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950

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

This vintage three stone engagement ring is supplied with three European Diamond Report (EDR) certificates.

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.

fig 3. A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band.
fig 3. Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950

Condition

This stunning trilogy ring is exceptional quality, set with stunning high graded and evenly colour matched diamonds displaying a fine white colour, brilliance and presence.

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

fig 4. A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band.
fig 4. Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950

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

Diamond Quality

Feature Diamond One

Colour F

Clarity VS2

Cut Round Brilliant

Content 1.87 carats

fig 5. A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band.
fig 5. Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950

Dimensions 8.10mm (length) x 8.15mm (width) x 4.70mm (depth)

Feature Diamond Two

Colour F

Clarity VS1

Cut Round Brilliant

Content 0.77 carat

Dimensions 5.88mm (length) x 5.95mm (width) x 3.56mm (depth)

Feature Diamond Three

fig 6. A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band.
fig 6. Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950

Colour F

Clarity VS1

Cut Round Brilliant

Content 0.76 carat

Dimensions 5.93mm (length) x 6.00mm (width) x 3.49mm (depth)

Total Diamond Content

3.40 carats

Number of Diamonds

3

Dimensions

Length of setting 2.08cm/0.82'

fig 7. A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band.
fig 7. Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950

Width of setting 8.48mm/0.33'

Height of setting 6.02mm/0.24'

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

6.95 grams

Date: Circa 1950

A video is available upon request.

Height
0.2cm (0.08")
Width
0.3cm (0.12")
Depth
0.8cm (0.31")
Date of Manufacture

AC Silver has dated this Diamond Platinum Trilogy Ring to the 1950s.

Reference Numbers
Sellingantiques Ref
SA1072455
Dealers Internal Ref
C8639
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
PDF SHARE
SAVE
A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band.
1 / 13
Archive I A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band.

Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950

Archive II A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View II
Archive III A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View III
Archive IV A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View IV
Archive V A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View V
Archive VI A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View VI
Archive VII A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View VII
Archive VIII A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View VIII
Archive IX A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View IX
Archive X A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View X
Archive XI A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View XI
Archive XII A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View XII
Archive XIII A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band. View XIII
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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
Sold
103
A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band.
Vintage 3.40ct Diamond and Platinum Trilogy Ring Circa 1950
Ref: SA1072455
A platinum trilogy ring featuring three round brilliant cut diamonds set in individual multi-claw settings along a polished platinum band.
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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.

The Sustainable Choice

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

A trilogy ring features three central gemstones arranged horizontally, traditionally representing the past, present, and future of a relationship. The design gained substantial popularity during the mid-20th century as both an engagement ring and a milestone anniversary piece.

Mid-century trilogy rings are commonly crafted from platinum or 18ct white gold, paired with round brilliant-cut or old-cut diamonds held securely in multi-claw settings to maximise light refraction.

Authentic pieces from this period typically display makers marks or fineness stamps such as PLAT or 950 inside the band, alongside period-appropriate brilliant cuts and hand-finished claw settings.

The understated architecture of a platinum three-stone ring pairs effortlessly with contemporary minimalist wardrobes, tailored tailoring, or stacked alongside modern slender bands for a layered look.

Clean diamond and platinum jewellery regularly using lukewarm water, mild detergent, and a soft-bristled brush. Store the ring in a velvet-lined box separately from other items to prevent stones from scratching adjacent metals.
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