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ID #SA1134671
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Art Deco Edwardian Platinum 1.50ct Diamond Solitaire
Sold by Crispin Jewellery
sold SA1134671
Sorry, but this item has been sold.

Crispin Jewellery

Sellingantiques Verified Since Oct 2018
Browse dealers 251 items
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Id #SA1134671
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Art Deco Edwardian Platinum 1.50ct Diamond Solitaire

1900 - 1920
Sold 14 March 2026 · Crispin Jewellery
This “Art Deco Edwardian Platinum 1.50ct Diamond Solitaire” found a buyer.

It was listed by Crispin Jewellery. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

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Art Deco Solitaire Ask the dealer for something similar
Description

A stunning Art deco circa 1920s diamond ring set in Platinum, hallmarked Plat

The central diamond spreads 1.50ct, measuring just under 8mm. This has not been out and weight but diamond weight approximately 1.3-1.40ct.

This diamond is flawless to the naked eye and a stunning white colour, estimated in situ colour G/H and clarity Vs2-Si1

There are further old cut diamonds to the shoulders, ever 4 diamond at each claw head to the central diamond- a mark of superior quality.

The ring is a large size currently and GB U, this can however be resized to make smaller if required

Declaration

Crispin Jewellery has dated this Art Deco Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1134671
Description
A stunning Art deco circa 1920s diamond ring set in Platinum, hallmarked Plat

The central diamond spreads 1.50ct, measuring just under 8mm. This has not been out and weight but diamond weight approximately 1.3-1.40ct.

“
This diamond is flawless to the naked eye and a stunning white colour, estimated in situ colour G/H and clarity Vs2-Si1.
Crispin Jewellery
fig 1. An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band.
fig 1. Art Deco Edwardian Platinum 1.50ct Diamond Solitaire

There are further old cut diamonds to the shoulders, ever 4 diamond at each claw head to the central diamond- a mark of superior quality.

The ring is a large size currently and GB U, this can however be resized to make smaller if required

Date of Manufacture

Crispin Jewellery has dated this Art Deco Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1134671
Crispin Jewellery
Sellingantiques verified Since Oct 2018
Dealer Profile

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

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An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. SOLD6+ MONTHS AGO
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Archive I An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. SOLD6+ MONTHS AGO

Art Deco Edwardian Platinum 1.50ct Diamond Solitaire

Archive II An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. View II
Archive III An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. View III
Archive IV An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. View IV
Archive V An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. View V
Archive VI An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. View VI
Archive VII An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. View VII
Archive VIII An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. View VIII
Archive IX An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band. View IX
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Crispin Jewellery
Telephone 07790 416 633
Location
PO Box 1409
Hertfordshire
HP19NU
United Kingdom
Dealer Profile Page sellingantiques.co.uk/crispinjewellery
Verified Since Oct 2018
Items For Sale 251
Items Sold 472
Crispin Jewellery
Verified Since Oct 2018
View Dealer Info
Location: PO Box 1409, Hertfordshire, HP19NU, United Kingdom
Profile: sellingantiques.co.uk/crispinjewellery
Verified
Oct 2018
For Sale
251
Sold
472
An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band.
Art Deco Edwardian platinum 1.50ct diamond solitaire
Ref: SA1134671
An antique platinum ring featuring a central round diamond in a geometric setting with smaller accent stones along the band.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsGeometric setting, Millegrain edges, Solitaire diamond

FAQs

Art Deco jewellery, prominent from the 1920s to the 1930s, is characterised by geometric shapes, clean lines, stylised symmetry, and the frequent use of platinum paired with diamonds.

Plurailty of high-end pieces from this era utilised platinum due to its strength and malleability, which allowed for delicate, lace-like metalwork and secure prong settings for diamonds.

Authentic pieces typically feature hand-cut diamonds such as Old European or old mine cuts, hand-carved or milled metal details like millegrain edges, and proper hallmarks or purity stamps.

Due to the geometric settings of Art Deco pieces, pairing them with a simple platinum band or a custom-contoured wedding band protects the antique metalwork from friction damage.

Regular ultrasonic cleaning by a professional jeweller and periodic checks of the claw settings ensure the stones remain secure and the platinum retains its polished finish.
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