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ID #SA1238951
FOR SALE
£7,950
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Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925
For sale by AC Silver
for sale €9,302     $10,097
£7,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
Browse dealers 448 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
Id #SA1238951
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Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

1900 - 1920
For Sale by AC Silver
Description

A stunning, fine and impressive antique 1.35 carat diamond and platinum two stone ring; part of our diamond jewellery collection.

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

The pierced decorated setting displays a stunning feature 0.61ct and 0.60ct Old European round cut diamond, claw set in a vertical formation; the goldsmith has carefully selected very evenly matched, high-grade feature diamonds.

The finely detailed swept, bifurcating ring shoulders of this platinum diamond ring are each further embellished with eight pavé set eight cut diamonds, integrating with the main setting and blending at a collar design with the plain hallmarked ring shank.

The interior shank of this engagement ring is hallmarked with the platinum mark (PLAT) and has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

This impressive ring is supplied with two IDGL diamond grading report certificates for the feature stones, in addition to an IDGL diamond grading report card for the supporting stones.

A two-stone ring traditionally represents two lives joined together, making it an especially thoughtful choice for an engagement, milestone anniversary, vow renewal or other celebration of a lasting partnership. The naturally white appearance of platinum provides a refined setting for the gemstones while offering the durability and enduring appeal expected of fine jewellery. Its antique craftsmanship gives the ring a sense of history and individuality that distinguishes it from contemporary designs, while its meaningful two-stone composition creates a lasting reminder of connection and companionship.

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 platinum antique two stone ring is excellent quality, set with stunning high colour and clarity graded feature diamonds displaying a fine white colour, brilliance and presence.

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

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

Reflections in photographs may detract from the true representation of this Old European cut diamond engagement ring.

Diamond Quality

Feature Diamond One

Colour I

Clarity VS2

Cut Old European

Content 0.61 carat

Dimensions 5.45mm (length) x 5.43mm (width) x 3.26mm (depth)

Feature Diamond Two

Colour I

Clarity VS1

Cut Old European

Content 0.60 carat

Dimensions 5.44mm (length) x 5.42mm (width) x 3.25mm (depth)

Supporting Diamonds

Colour (average grades) H/I

Clarity (average grades) SI2

Cut Eight

Content 0.14 carat

Total Diamond Content

1.35 carats

Number of Diamonds

16

Dimensions

Width of setting 1.24cm/0.49'

Height of setting 4.67mm/0.18'

Ring Size

UK Size Q

USA Size 8

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

Weight

4.27 grams

Date: Circa 1925

SKU: C9963

Declaration

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

Reference Numbers
Sellingantiques Reference
SA1238951
Dealers Internal Reference
C9963
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 1.35 carat diamond and platinum two stone ring; part of our diamond jewellery collection.

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

The pierced decorated setting displays a stunning feature 0.61ct and 0.

“
60ct Old European round cut diamond, claw set in a vertical formation; the goldsmith has carefully selected very evenly matched, high-grade feature diamonds.
AC Silver
fig 1. An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
fig 1. Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

The finely detailed swept, bifurcating ring shoulders of this platinum diamond ring are each further embellished with eight pavé set eight cut diamonds, integrating with the main setting and blending at a collar design with the plain hallmarked ring shank.

fig 2. An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
fig 2. Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

The interior shank of this engagement ring is hallmarked with the platinum mark (PLAT) and has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

fig 3. An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
fig 3. Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

This impressive ring is supplied with two IDGL diamond grading report certificates for the feature stones, in addition to an IDGL diamond grading report card for the supporting stones.

A two-stone ring traditionally represents two lives joined together, making it an especially thoughtful choice for an engagement, milestone anniversary, vow renewal or other celebration of a lasting partnership. The naturally white appearance of platinum provides a refined setting for the gemstones while offering the durability and enduring appeal expected of fine jewellery. Its antique craftsmanship gives the ring a sense of history and individuality that distinguishes it from contemporary designs, while its meaningful two-stone composition creates a lasting reminder of connection and companionship.

fig 4. An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
fig 4. Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

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 platinum antique two stone ring is excellent quality, set with stunning high colour and clarity graded feature diamonds displaying a fine white colour, brilliance and presence.

fig 5. An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
fig 5. Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

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

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

fig 6. An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
fig 6. Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

Reflections in photographs may detract from the true representation of this Old European cut diamond engagement ring.

Diamond Quality

Feature Diamond One

Colour I

Clarity VS2

Cut Old European

Content 0.61 carat

fig 7. An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
fig 7. Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

Dimensions 5.45mm (length) x 5.43mm (width) x 3.26mm (depth)

Feature Diamond Two

Colour I

Clarity VS1

Cut Old European

Content 0.60 carat

Dimensions 5.44mm (length) x 5.42mm (width) x 3.25mm (depth)

Supporting Diamonds

fig 8. An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
fig 8. Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

Colour (average grades) H/I

Clarity (average grades) SI2

Cut Eight

Content 0.14 carat

Total Diamond Content

1.35 carats

Number of Diamonds

16

Dimensions

Width of setting 1.24cm/0.49'

Height of setting 4.67mm/0.18'

Ring Size

UK Size Q

USA Size 8

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

Weight

4.27 grams

Date: Circa 1925

SKU: C9963

Date of Manufacture

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

Reference Numbers
Sellingantiques Ref
SA1238951
Dealers Internal Ref
C9963
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 Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
1 / 15
Film
Film of Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925
Archive I An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.

Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925

Film
Archive II An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View II
Archive III An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View III
Archive IV An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View IV
Archive V An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View V
Archive VI An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View VI
Archive VII An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View VII
Archive VIII An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View VIII
Archive IX An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View IX
Archive X An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View X
Archive XI An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View XI
Archive XII An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View XII
Archive XIII An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View XIII
Archive XIV An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders. View XIV
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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 448
Items Sold 112
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
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An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
Antique 1.35ct Diamond and Platinum Two Stone Ring Circa 1925
Ref: SA1238951
An Art Deco platinum two stone ring featuring round diamonds arranged vertically within a crossover frame with diamond-set shoulders.
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Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsToi et moi setting, Milgrain borders, Diamond shoulders, Crossover design

This 1920s Art Deco two stone ring is made from platinum and features sixteen diamonds in a silver colour palette. The piece includes two vertically arranged Old European cut feature diamonds within a crossover frame, swept bifurcating shoulders embellished with pavé set eight cut diamonds, and a clear PLAT hallmark on the interior shank alongside milgrain borders. In the photograph, the metal exhibits a polished finish, the inner shank displays the stamped platinum mark, and individual facets are visible across the round brilliant stones. The ring is worn on the hand as a fine jewellery accessory, traditionally used for an engagement, milestone anniversary, vow renewal, or other celebration of a lasting partnership. The setting has a width of 1.24 cm and a height of 4.67 mm, designed for daily wear on a UK size Q or USA size 8 finger.

Art Deco two stone rings, often referred to as toi et moi rings, gained prominence in the 1920s, characteristically featuring geometric settings, platinum mountings, and accent diamonds set along curved shoulders.

Platinum became the primary metal of choice during the Art Deco era due to its strength and bright white finish, frequently set with hand-cut round diamonds featuring milgrain detailing along the edges.

Authentic pieces often feature hand-engraved details, fine milgrain borders, period markings such as platinum stamps, and hand-cut diamonds like Old European or transitional cuts displaying distinct proportions.

An antique two stone diamond ring functions as a standalone statement piece for daily wear or modern bridal wear, pairing easily alongside sleek platinum or white gold bands.

Clean gently using lukewarm water, mild soap, and a soft-bristled brush, avoiding harsh chemicals or ultrasonic baths if delicate grain settings are present, and store separately to prevent surface scratching.
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