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sellingantiques.co.uk
ID #SA1095735
FOR SALE
£475
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Mid Century 0.25 Carat Old Cut Diamond Trilogy Ring, Circa 1950
Gatsby Jewellery Ltd
for sale €556     $603
£475
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
View Dealers Stock Page
  • About Us
    Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
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Id #SA1095735
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Mid Century 0.25 Carat Old Cut Diamond Trilogy Ring, Circa 1950

1940 - 1960
Description

A charming vintage diamond three stone ring. The trio of well matched transitional cut diamonds are set in platinum coronet settings, with platinum polished shoulders to a 18k yellow gold shank. A perfectly proportioned and elegant ring.

Cut: Transitional cuts.

Colour: H to I.

Clarity: SI1.

Carat: The centre is approximately 0.10 carat, with a total approximate diamond weight of 0.25 carat.

Circa: 1950.

Size: J or US size 4 5/8. Free sizing available.

Measurements: From the edge of one outer diamond to the other is 10.5mm. The ring is 3.7mm at the widest point and sit 4.8mm from the finger.

Weight: 2.43 grams.

Metal: Stamped PLAT 18CT indicating platinum and 18k yellow gold, and tested to confirm.

Physical Dimensions
Height
30cm (11.81")
Width
25cm (9.84")
Depth
5cm (1.97")
Declaration

Gatsby Jewellery Ltd has dated this Diamond Trilogy Engagement Ring to the 1950s.

Reference Numbers
Sellingantiques Reference
SA1095735
Dealers Internal Reference
510912S321
Description
A charming vintage diamond three stone ring.
“
The trio of well matched transitional cut diamonds are set in platinum coronet settings, with platinum polished shoulders to a 18k yellow gold shank.
Gatsby Jewellery Ltd

A perfectly proportioned and elegant ring.

fig 1. A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings.
fig 1. Mid Century 0.25 Carat Old Cut Diamond Trilogy Ring, Circa 1950

Cut: Transitional cuts.

Colour: H to I.

Clarity: SI1.

Carat: The centre is approximately 0.10 carat, with a total approximate diamond weight of 0.25 carat.

Circa: 1950.

Size: J or US size 4 5/8. Free sizing available.

fig 2. A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings.
fig 2. Mid Century 0.25 Carat Old Cut Diamond Trilogy Ring, Circa 1950

Measurements: From the edge of one outer diamond to the other is 10.5mm. The ring is 3.7mm at the widest point and sit 4.8mm from the finger.

Weight: 2.43 grams.

Metal: Stamped PLAT 18CT indicating platinum and 18k yellow gold, and tested to confirm.

Height
30cm (11.81")
Width
25cm (9.84")
Depth
5cm (1.97")
Date of Manufacture

Gatsby Jewellery Ltd has dated this Diamond Trilogy Engagement Ring to the 1950s.

Reference Numbers
Sellingantiques Ref
SA1095735
Dealers Internal Ref
510912S321
Gatsby Jewellery Ltd
Gatsby Jewellery Ltd
Sellingantiques verified Since May 2014

Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.

Dealer Profile

You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page

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A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings.
1 / 9
Archive I A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings.

Mid Century 0.25 Carat Old Cut Diamond Trilogy Ring, circa 1950

Archive II A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings. View II
Archive III A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings. View III
Archive IV A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings. View IV
Archive V A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings. View V
Archive VI A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings. View VI
Archive VII A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings. View VII
Archive VIII A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings. View VIII
Archive IX A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings. View IX
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Gatsby Jewellery Ltd

Gatsby Jewellery Ltd
Telephone 01992 842 123
Location
Gatsby Jewellery Ltd
3 Coppice Row
Theydon Bois
Essex
CM16 7ES
United Kingdom
Dealer Profile Page sellingantiques.co.uk/gatsby
Verified Since May 2014
Items For Sale 264
Items Sold 2,933
Gatsby Jewellery Ltd
Gatsby Jewellery Ltd
Verified Since May 2014
View Dealer Info
Location: Gatsby Jewellery Ltd, 3 Coppice Row, Theydon Bois, Essex, CM16 7ES, United Kingdom
Profile: sellingantiques.co.uk/gatsby
Verified
May 2014
For Sale
264
Sold
2,933
A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings.
Mid Century 0.25 Carat Old Cut Diamond Trilogy Ring, circa 1950
Ref: SA1095735
A mid-century three-stone diamond ring crafted with an 18ct yellow gold shank and platinum settings.
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FAQs

A trilogy ring features three gemstones arranged horizontally in a row, traditionally representing a couples past, present, and future. Popularised across various historical eras, three-stone settings remain a classic design choice in fine jewellery.

Mid-century trilogy rings frequently combine an 18ct yellow gold band with platinum claw settings to securely hold the gemstones. Platinum was favoured for setting colourless diamonds as it enhances the stones brightness and visual appeal.

Authentic 1950s rings often feature hallmarks or metal purity stamps inside the shank, such as 18CT and PLAT. The settings commonly utilise claw mounts or geometric shoulder details typical of mid-century jewellery manufacturing techniques.

A mid-century trilogy ring can be worn individually as a focal piece or paired alongside slim modern metal bands. Combining mixed metals, such as pairing yellow gold with white gold or platinum, creates a balanced contemporary look.

Clean the ring periodically using warm water, mild soap, and a soft-bristled brush to remove debris behind the settings. Store the ring in a soft pouch separate from other items to prevent surface scratches.
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