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ID #SA949834
FOR SALE
£685
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18ct Gold & Platinum Art Deco Diamond Solitaire Ring
For sale by AgAu Jewellery
for sale €801     $870
£685
AgAu Jewellery

AgAu Jewellery

Sellingantiques Verified Since Apr 2011
Browse dealers 286 items
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Id #SA949834
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18ct Gold & Platinum Art Deco Diamond Solitaire Ring

1900 - 1920
For Sale by AgAu Jewellery
Description

A fine 18ct Gold & Platinum Art Deco Diamond Solitaire Ring. The diamond is set in platinum and is a bright, sparkly, round cut diamond of (0.20ct). The shank is marked 18ct/Plat for 18ct gold and a platinum setting and is C. 1920-30. The ring is UK size O and weighs 2.6g and is presented in excellent condition and would make a lovely engagement ring.

Cut: Round Cut

Colour: K-L

Clarity: SI1

Carat: 0.20ct

Metal: 18ct yellow gold.

Stone(s): 1 x diamonds (0.20ct)

Hallmark: Marked for 18ct/plat C. 1920-30

Size. UK Size O

Weight: 2.6g

Condition: Excellent condition

Physical Dimensions
Height
1cm (0.39")
Width
1cm (0.39")
Depth
2cm (0.79")
Declaration

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

Reference Numbers
Sellingantiques Reference
SA949834
Dealers Internal Reference
434070
Dealers Notes

To locate this item on our website use the 'Internal Ref' below on agaujewellery.com where you can also view and/upgrade your packaging, pay using Credit/Debit card, PayPal, American Express, GooglePay and ApplePay

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All items are shipped using our standard of 5 working days, for express shipping please order on our website. EUROPEAN & WORLDWIDE CUSTOMERS ONLY: Please add £32 at the Stripe shipping option for European and £45 if you live anywhere else in the world.

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We offer a 14 day return on all items as standard, by placing an order with Selling Antiques you accept our terms of sales & return policy agaujewellery.com/terms-and-conditions

Description
A fine 18ct Gold & Platinum Art Deco Diamond Solitaire Ring. The diamond is set in platinum and is a bright, sparkly, round cut diamond of (0.20ct). The shank is marked 18ct/Plat for 18ct gold and a platinum setting and is C. 1920-30. The ring is UK size O and weighs 2.6g and is presented in excellent condition and would make a lovely engagement ring.
fig 1. An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders.
fig 1. 18ct Gold & Platinum Art Deco Diamond Solitaire Ring

Cut: Round Cut

Colour: K-L

Clarity: SI1

Carat: 0.20ct

Metal: 18ct yellow gold.

Stone(s): 1 x diamonds (0.20ct)

Hallmark: Marked for 18ct/plat C. 1920-30

Size. UK Size O

Weight: 2.6g

Condition: Excellent condition

Height
1cm (0.39")
Width
1cm (0.39")
Depth
2cm (0.79")
Date of Manufacture

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

Reference Numbers
Sellingantiques Ref
SA949834
Dealers Internal Ref
434070
AgAu Jewellery
AgAu Jewellery
Sellingantiques verified Since Apr 2011

If you would prefer to pay via credit/debit card please get in touch via email or phone, thank you

Dealer Profile

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

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An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders.
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Archive I An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders.

18ct Gold & Platinum Art Deco Diamond Solitaire Ring

Archive II An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders. View II
Archive III An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders. View III
Archive IV An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders. View IV
Archive V An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders. View V
Archive VI An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders. View VI
Archive VII An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders. View VII
Archive VIII An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders. View VIII
Archive IX An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders. View IX
Archive X An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders. View X
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AgAu Jewellery

AgAu Jewellery
Telephone 01617 061316
Location
Stockport
Great Manchester
United Kingdom
Dealer Profile Page sellingantiques.co.uk/AgAu
Verified Since Apr 2011
Items For Sale 286
Items Sold 1,893
AgAu Jewellery
AgAu Jewellery
Verified Since Apr 2011
View Dealer Info
Location: Stockport, Great Manchester, United Kingdom
Profile: sellingantiques.co.uk/AgAu
Verified
Apr 2011
For Sale
286
Sold
1,893
An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders.
18ct Gold & Platinum Art Deco Diamond Solitaire Ring
Ref: SA949834
An Art Deco 18ct yellow gold and platinum solitaire ring set with a single round diamond and decorative engraved shoulders.
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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 and Silver
  • MotifsSolitaire setting, Engraved shoulders, Illusion setting, Slim shank
  • SizeH 1 cm (0 in) x W 1 cm (0 in) x D 2 cm (1 in)

This 1920 Art Deco ring is fashioned from 18ct yellow gold and platinum, presenting a combination of gold and silver tones. A single round cut diamond rests in a central illusion setting, flanked by shoulders with geometric engraved patterns leading to a slim shank. The interior of the band displays a hallmark stamped 18ct/Plat, while the outer surface shows gentle signs of historical wear across the precious metals. Measuring 1 cm high, 1 cm wide, and 2 cm deep, the ring is worn on the finger. Suitable for use today as an engagement or everyday dress ring, this piece brings period glamour to modern jewellery collections. The low-profile head and slender band allow it to sit comfortably alongside wedding bands or other stacked rings. The mixed-metal composition of yellow gold and platinum offers versatility for pairing with other accessories, while the secure claw and illusion settings protect the central stone during daily wear.

FAQs

Art Deco diamond rings, originating between 1920 and 1939, are characterised by geometric forms, fine filigree work, and precise metalwork. Artisans frequently paired white metals such as platinum with yellow gold to emphasize the central stone.

These rings typically feature 18ct yellow gold shanks with platinum or white metal settings designed to make diamonds appear brighter and larger. Solitaire stones from this era are commonly old European cut, single cut, or early brilliant cut diamonds.

Authentic pieces generally display period hallmarks, hand-carved shoulders, and milgrain or illusion settings rather than modern cast details. Wear patterns consistent with age and mixed-metal solder marks also indicate genuine period construction.

An Art Deco solitaire pairs effectively with minimalist gold or platinum bands, allowing the detailed shoulder work of the ring to stand out. Mixing warm yellow gold and cool white metals complements modern multi-tonal jewellery combinations.

Clean the ring using warm water, mild dish soap, and a soft-bristled toothbrush to clear debris around the claw setting. Avoid abrasive chemicals or ultrasonic cleaners if the setting features delicate filigree or accents.
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