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ID #SA1243052
FOR SALE
£725
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Antique Art Deco Diamond 'Toi Et Moi' Two Stone Twist 18ct Gold Engagement Ring
For sale by Lancastrian Jewellers
for sale €848     $921
£725
Lancastrian Jewellers

Lancastrian Jewellers

Sellingantiques Verified Since Jun 2022
Browse dealers 215 items
  • About Us
    We are a third generation jewellers in the north of england, UK. Specialising in quality antique, vintage and fine jewellery
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Id #SA1243052
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Antique Art Deco Diamond 'Toi Et Moi' Two Stone Twist 18ct Gold Engagement Ring

1900 - 1920
Description

This stunning antique diamond ring features two sparkling diamonds at the centre, set into a 'toi-et-moi' design, and is modelled in 18carat yellow gold.

“Toi et Moi” means You and Me in French and refers to a ring that showcases two stones. These were common engagement rings during the early 20th century, symbolising two intertwined souls.

The two centre old European cut Diamonds each measure 0.15ct (0.30ct total approx) with SI2 clarity and feature further Diamonds set into the shoulders of the ring. The Diamonds are very bright and sparkly, and the ring remains in excellent condition.

This ring would make the perfect engagement ring or a great addition to any collection.

STONES

Diamond

Main stones - 0.30ct total approx, SI2 Clarity.

Small stones - 0.02ct each

METAL

18ct Yellow Gold

Platinum

RING SIZE

UK - J 1/2 / US - 5

MEASUREMENTS

Two stones together - 7mm across

Individual stones - 3mm x 3mm

Diamonds in shoulders measure 1/1.5mm

WEIGHT

2.26grams

HALLMARKS

B.K.T, 18CT

PLAT

CONDITION

This stunning Antique Diamond ring remains in excellent condition. The stones are secure within their settings, allowing you to wear this as an everyday piece. The diamonds are bright and show excellent sparkle as they catch the light. The band is thick, durable, and has kept in very good condition over the years, showing no signs of wear. This Antique Diamond ring would make the perfect engagement ring or a beautiful addition to anyones collection.

Item Number - 11880

Date of Manufacture

Lancastrian Jewellers has dated this Diamond Toi Et Moi Ring to the 1920s.

Independent Date Check ID 09701364
Dealer's Item Date1920s
Sellingantiques Date1920s
Sellingantiques agingItem 90-110 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to THE 1920s:
Stamped 18CT PLAT inside the band: standard British jewellery mark of the 1920s.
Old European cut centre stones in square collets: typical early twentieth-century diamond cutting.
Geometric shoulders edged with fine hand-applied milgrain: Art Deco design work.
Gentle softening to the outer milgrain borders: normal wear from many decades of use.

This is an independent date report produced by Sellingantiques using its own proprietary system. The process uses the photographs shown on this page. The system is never told the date the dealer has declared. This report shows that the two dates corroborate.

Reference Numbers
Sellingantiques Reference
SA1243052
Dealers Internal Reference
11880
Description
This stunning antique diamond ring features two sparkling diamonds at the centre, set into a 'toi-et-moi' design, and is modelled in 18carat yellow gold.

“Toi et Moi” means You and Me in French and refers to a ring that showcases two stones. These were common engagement rings during the early 20th century, symbolising two intertwined souls.

fig 1. An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders.
fig 1. Antique Art Deco Diamond 'Toi Et Moi' Two Stone Twist 18ct Gold Engagement Ring

The two centre old European cut Diamonds each measure 0.15ct (0.30ct total approx) with SI2 clarity and feature further Diamonds set into the shoulders of the ring. The Diamonds are very bright and sparkly, and the ring remains in excellent condition.

fig 2. An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders.
fig 2. Antique Art Deco Diamond 'Toi Et Moi' Two Stone Twist 18ct Gold Engagement Ring

This ring would make the perfect engagement ring or a great addition to any collection.

STONES

Diamond

Main stones - 0.30ct total approx, SI2 Clarity.

Small stones - 0.02ct each

METAL

18ct Yellow Gold

Platinum

fig 3. An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders.
fig 3. Antique Art Deco Diamond 'Toi Et Moi' Two Stone Twist 18ct Gold Engagement Ring

RING SIZE

UK - J 1/2 / US - 5

MEASUREMENTS

Two stones together - 7mm across

Individual stones - 3mm x 3mm

Diamonds in shoulders measure 1/1.5mm

WEIGHT

2.26grams

HALLMARKS

B.K.T, 18CT

PLAT

CONDITION

This stunning Antique Diamond ring remains in excellent condition. The stones are secure within their settings, allowing you to wear this as an everyday piece. The diamonds are bright and show excellent sparkle as they catch the light.

“
The band is thick, durable, and has kept in very good condition over the years, showing no signs of wear.
Lancastrian Jewellers

This Antique Diamond ring would make the perfect engagement ring or a beautiful addition to anyones collection.

Item Number - 11880

Date of Manufacture

Lancastrian Jewellers has dated this Diamond Toi Et Moi Ring to the 1920s.

Independent Date Report ID 09701364
Dealer's Item Date1920s
Sellingantiques dating1920s
Sellingantiques agingItem 90-110 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to the 1920s:
Stamped 18CT PLAT inside the band: standard British jewellery mark of the 1920s.
Old European cut centre stones in square collets: typical early twentieth-century diamond cutting.
Geometric shoulders edged with fine hand-applied milgrain: Art Deco design work.
Gentle softening to the outer milgrain borders: normal wear from many decades of use.

This is an independent date report produced by Sellingantiques using its own proprietary system. The process uses the photographs shown on this page. The system is never told the date the dealer has declared. This report shows that the two dates corroborate.

Reference Numbers
Sellingantiques Ref
SA1243052
Dealers Internal Ref
11880
Lancastrian Jewellers
Lancastrian Jewellers
Sellingantiques verified Since Jun 2022

We are a third generation jewellers in the north of england, UK. Specialising in quality antique, vintage and fine jewellery

Dealer Profile

You can view the stock and full dealer information on the Lancastrian Jewellers Profile Page

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An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders.
1 / 10
Archive I An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders.

Antique Art Deco Diamond 'Toi Et Moi' Two Stone Twist 18ct Gold Engagement Ring

Archive II An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders. View II
Archive III An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders. View III
Archive IV An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders. View IV
Archive V An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders. View V
Archive VI An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders. View VI
Archive VII An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders. View VII
Archive VIII An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders. View VIII
Archive IX An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders. View IX
Archive X An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders. View X
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Lancastrian Jewellers

Lancastrian Jewellers
Telephone 07527 577305
Location
Dalton House
9 Dalton Square
Lancaster
Lancashire
LA1 1WD
United Kingdom
Dealer Profile Page sellingantiques.co.uk/lancastrianjewellers
Verified Since Jun 2022
Items For Sale 215
Items Sold 177
Lancastrian Jewellers
Lancastrian Jewellers
Verified Since Jun 2022
View Dealer Info
Location: Dalton House, 9 Dalton Square, Lancaster, Lancashire, LA1 1WD, United Kingdom
Profile: sellingantiques.co.uk/lancastrianjewellers
Verified
Jun 2022
For Sale
215
Sold
177
An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders.
Antique Art Deco Diamond 'Toi Et Moi' Two Stone Twist 18ct Gold Engagement Ring
Ref: SA1243052
An Art Deco eighteen-carat gold and platinum twist ring featuring two round cut diamonds in a bypass setting with millegrain detailed shoulders.
Detail View 1
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Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • Material18ct Gold, Platinum, Diamond
  • ColourGold, Silver
  • MotifsBypass setting, Millegrain shoulders, Two-stone design, Geometric engravings

This Art Deco engagement ring adopts an 18ct yellow gold and platinum bypass setting in a traditional two-stone 'toi-et-moi' design. The mounting holds two central round old European cut diamonds alongside further small diamonds set into the shoulders, complemented by geometric engravings and millegrain detailing. The yellow gold band has a thick, durable profile and carries maker and metal hallmarks inside. Visually, the ring combines the warm tone of gold with the bright, silvery sparkle of platinum and white diamonds, positioned against a dark, textured background. In practical terms, the piece serves as an engagement ring or a collectible accessory, sized as UK J 1/2 or US 5. It suits daily wear for someone seeking historical jewellery from the 1920s period. The secure settings and solid band allow the ring to be worn regularly on the hand while retaining its structural integrity.

FAQs

Toi et Moi rings, meaning you and me in French, feature two gemstone centres symbolising the union of two people. Popularised in the late eighteenth century, the style evolved through the Victorian and Art Deco eras with geometric twist settings and diamond accents.

Art Deco twist rings often feature platinum or white gold settings paired with eighteen-carat yellow gold bands. Primary gemstones usually include diamonds or coloured precious stones secured in claw or bezel settings with intricate millegrain detail.

Authentic Art Deco diamond rings feature characteristic geometric symmetry, fine millegrain border details, platinum or mixed-metal mountings, and hand-cut diamonds such as old European or old single cuts. Hallmarks inside the band often confirm the era and gold purity.

An antique Toi et Moi ring functions well as an engagement ring or statement dress piece, styled alongside simple gold bands or minimalist modern stackables to highlight the crossover detail.

Clean vintage gold and diamond jewellery using warm water, mild dish soap, and a soft-bristled brush to clear dust behind settings. Avoid harsh chemicals or ultrasonic cleaners if the settings contain older, delicate metalwork or accent stones.
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