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ID #SA1078229
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£2,950
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Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920
AC Silver
for sale €3,452     $3,747
£2,950
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 #SA1078229
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Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920

1900 - 1920
For Sale by AC Silver
Description

A fine and impressive 1.14 carat diamond and 18 carat white gold, platinum set trilogy ring; part of our diverse antique 1920s diamond jewellery collections.

This fine and impressive antique trilogy ring has been crafted in 18ct white gold with a platinum setting.

The pierced decorated setting is ornamented with a central 0.55ct Old European cut diamond, flanked on either side by subtly smaller 0.30ct and 0.29ct Old European cut diamonds.

The elevated, pierced decorated ring shoulders blend seamlessly with the plain 18ct white gold ring shank.

This antique diamond ring is hallmarked to the interior of the shank with the 18ct fineness mark (18ct) and the platinum mark (PLAT).

This impressive diamond three stone ring is supplied with three IDGL diamond grading report certificates.

Condition

This impressive trilogy ring is excellent quality, set with impressive diamonds displaying a fine brilliance and presence.

The ring is an excellent gauge of gold 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 of this impressive 1920s 3 stone diamond ring in white gold and platinum.

Diamond Quality

Feature Diamond One

Colour I

Clarity SI1

Cut Old European

Content 0.55 carat

Dimensions 5.28mm (length) x 5.25mm (width) x 3.33mm (depth)

Feature Diamond Two

Colour J

Clarity SI1

Cut Old European

Content 0.30 carat

Dimensions 4.27mm (length) x 4.19mm (width) x 3.10mm (depth)

Feature Diamond Three

Colour H

Clarity VS1

Cut Old European

Content 0.29 carat

Dimensions 4.25mm (length) x 4.18mm (width) x 2.83mm (depth)

Total Diamond Content

1.14 carats

Number of Diamonds

3

Dimensions

Length of setting 1.08cm/0.43'

Width of setting 5.29mm/0.21'

Height of setting 5.03mm/0.2'

Ring Size

UK Size M

USA Size 6

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

Weight

2.21 grams

Date: Circa 1920

A video is available upon request.

Physical Dimensions
Height
0.5cm (0.20")
Width
0.5cm (0.20")
Depth
1.1cm (0.43")
Declaration

AC Silver has dated this Antique Diamond Trilogy Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1078229
Dealers Internal Reference
C8702
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 fine and impressive 1.
14 carat diamond and 18 carat white gold, platinum set trilogy ring; part of our diverse antique 1920s diamond jewellery collections.
AC Silver

This fine and impressive antique trilogy ring has been crafted in 18ct white gold with a platinum setting.

fig 1. An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
fig 1. Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920

The pierced decorated setting is ornamented with a central 0.55ct Old European cut diamond, flanked on either side by subtly smaller 0.30ct and 0.29ct Old European cut diamonds.

The elevated, pierced decorated ring shoulders blend seamlessly with the plain 18ct white gold ring shank.

fig 2. An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
fig 2. Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920

This antique diamond ring is hallmarked to the interior of the shank with the 18ct fineness mark (18ct) and the platinum mark (PLAT).

This impressive diamond three stone ring is supplied with three IDGL diamond grading report certificates.

fig 3. An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
fig 3. Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920

Condition

This impressive trilogy ring is excellent quality, set with impressive diamonds displaying a fine brilliance and presence.

The ring is an excellent gauge of gold and is in excellent condition, with clear hallmarks to the interior of the shank.

fig 4. An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
fig 4. Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920

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 of this impressive 1920s 3 stone diamond ring in white gold and platinum.

fig 5. An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
fig 5. Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920

Diamond Quality

Feature Diamond One

Colour I

Clarity SI1

Cut Old European

Content 0.55 carat

Dimensions 5.28mm (length) x 5.25mm (width) x 3.33mm (depth)

Feature Diamond Two

Colour J

Clarity SI1

Cut Old European

fig 6. An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
fig 6. Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920

Content 0.30 carat

Dimensions 4.27mm (length) x 4.19mm (width) x 3.10mm (depth)

Feature Diamond Three

Colour H

Clarity VS1

Cut Old European

Content 0.29 carat

Dimensions 4.25mm (length) x 4.18mm (width) x 2.83mm (depth)

fig 7. An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
fig 7. Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920

Total Diamond Content

1.14 carats

Number of Diamonds

3

Dimensions

Length of setting 1.08cm/0.43'

Width of setting 5.29mm/0.21'

Height of setting 5.03mm/0.2'

Ring Size

UK Size M

USA Size 6

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

Weight

2.21 grams

Date: Circa 1920

A video is available upon request.

Height
0.5cm (0.20")
Width
0.5cm (0.20")
Depth
1.1cm (0.43")
Date of Manufacture

AC Silver has dated this Antique Diamond Trilogy Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1078229
Dealers Internal Ref
C8702
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 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
1 / 15
Archive I An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.

Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920

Archive II An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View II
Archive III An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View III
Archive IV An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View IV
Archive V An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View V
Archive VI An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View VI
Archive VII An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View VII
Archive VIII An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View VIII
Archive IX An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View IX
Archive X An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View X
Archive XI An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View XI
Archive XII An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View XII
Archive XIII An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View XIII
Archive XIV An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View XIV
Archive XV An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting. View XV
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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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An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
Antique 1.14ct Diamond and 18ct White Gold Trilogy Ring Circa 1920
Ref: SA1078229
An antique 18ct white gold and platinum trilogy ring set with three prominent old cut diamonds in a claw setting.
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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.
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 arranged in a row, traditionally symbolising the past, present, and future of a relationship. Popularised during the Victorian era and refined throughout the Art Deco period of the 1920s, this design remains a classic choice for engagement and anniversary jewellery.

Rings from the 1920s era frequently feature old cut diamonds set in 18ct white gold or platinum to accentuate the whiteness of the stones. Metalwork from this period often incorporates hand-crafted claw settings and stamped metal fineness marks inside the band.

Authentic 1920s rings often feature hand-cut diamonds, such as old European or cushion cuts, characterised by larger facets and open culets. Hallmarks or stamps indicating PLAT or gold purity inside the band further assist in verifying origin and period construction.

An antique diamond trilogy ring can be worn as a standalone focal piece or stacked with a slender, modern metal wedding band. Combining mixed metals or wearing it alongside contemporary minimalist rings highlights the detailed vintage craft of the focal piece.

Clean the ring using warm water, mild liquid soap, and a soft-bristle toothbrush to remove build-up behind the gemstone settings. Avoid harsh chemicals or abrasive cleaners, and periodic inspection by a professional jeweller ensures the claws remain secure.
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