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ID #SA1223532
FOR SALE
£600
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Art Deco 18ct Gold Sapphire & Diamond Dress Ring
For sale by Robert Harris Jewellers
for sale €702     $762
£600
Robert Harris Jewellers

Robert Harris Jewellers

Sellingantiques Verified Since Aug 2020
Browse dealers 47 items
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Id #SA1223532
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Art Deco 18ct Gold Sapphire & Diamond Dress Ring

1900 - 1920
Description

This Art Deco 18ct gold dress ring displays a distinctive design set with a lively old-cut diamond at the centre, elegantly flanked by two vibrant, deep-blue sapphires. The gently sweeping curves of the gold band perfectly complement the angular setting, emphasising the geometric charm and character of the Art Deco era. Beautifully crafted, it captures the style and sophistication of its time.

A striking addition to any collection of Art Deco jewellery.

SIZE

UK J ½ / US 5 – Fres sizing available

SPECIFICATION

Diamond weight. 0.12 carat

Sapphires total weight. 0.23 carat

Face dimensions. 10 x 13.5mm

Weight. 2.9 grams

18k gold

ERA

1920s – 30s

CONDITION

Very Good – The only imperfection to this art deco ring is a small chip to the diamond which isn’t detrimental in any way and only noticeable under a 10x loupe. The sapphires are in great order and all the gemstones are held securely in their settings. The gold metalwork is in superb condition with only very light signs of surface wear.

Date of Manufacture

Robert Harris Jewellers has dated this Art Deco Sapphire Diamond Ring to the 1920s.

Independent Date Guide ID 09564724
Dealer's Item Date1920s
Sellingantiques Date1920s
Sellingantiques agingItem 90-110 years old
ResultsDates match
Why Sellingantiques dated this piece to THE 1920s:
Central diamond with hand-cut facets: lapidary work before modern round brilliants.
Internal stamp showing PLAT 18CT: workshop marking common in the interwar years.
Square millegrain collet mounts: fine platinum-faced gem setting.
Angular lozenge settings framed by curved crossover shoulders: Art Deco design.

This Independent Date Guide was compiled by Sellingantiques using its own proprietary system. It works only from the photographs shown on this page and is never told the date the dealer has declared. It is a guide, not a guarantee of age, and occasional errors can occur.

Reference Numbers
Sellingantiques Reference
SA1223532
Dealers Internal Reference
V1314
Dealers Notes

Each item is guaranteed for 2 years unless stated otherwise.

All of our jewellery is carefully selected and professionally assessed before sale.

All jewellery is presented in a premium gift box.

SHIPPING

Happily shipping worldwide FREE of charge.

We aim to dispatch the same day or the next working day.

Orders are shipped via Royal Mail Special Delivery, Royal Mail Signed For or a tracked and secure courier service, according to the value and destination of each order.

RETURNS

We are happy to accept returns, please let us know that you wish to return an order within 14 days and return it within 30 days.

We welcome you to visit our lovely shop in Rickmansworth near London where we have a superb selection of pre-owned, antique and new jewellery.

Open 9.15 – 5.15 (closed Sundays and bank holidays)

Proud members of Company of Master Jewellers and National Association of Jewellers

Established 1968

Thank you for visiting our shop!

Description
This Art Deco 18ct gold dress ring displays a distinctive design set with a lively old-cut diamond at the centre, elegantly flanked by two vibrant, deep-blue sapphires.
“
The gently sweeping curves of the gold band perfectly complement the angular setting, emphasising the geometric charm and character of the Art Deco era.
Robert Harris Jewellers

Beautifully crafted, it captures the style and sophistication of its time.

fig 1. An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band.
fig 1. Art Deco 18ct Gold Sapphire & Diamond Dress Ring

A striking addition to any collection of Art Deco jewellery.

SIZE

UK J ½ / US 5 – Fres sizing available

SPECIFICATION

Diamond weight. 0.12 carat

Sapphires total weight. 0.23 carat

Face dimensions. 10 x 13.5mm

fig 2. An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band.
fig 2. Art Deco 18ct Gold Sapphire & Diamond Dress Ring

Weight. 2.9 grams

18k gold

ERA

1920s – 30s

CONDITION

Very Good – The only imperfection to this art deco ring is a small chip to the diamond which isn’t detrimental in any way and only noticeable under a 10x loupe. The sapphires are in great order and all the gemstones are held securely in their settings. The gold metalwork is in superb condition with only very light signs of surface wear.

Date of Manufacture

Robert Harris Jewellers has dated this Art Deco Sapphire Diamond Ring to the 1920s.

Independent Date Report ID 09564724
Dealer's Item Date1920s
Sellingantiques dating1920s
Sellingantiques agingItem 90-110 years old
ResultsDates match
Why Sellingantiques dated this piece to the 1920s:
Central diamond with hand-cut facets: lapidary work before modern round brilliants.
Internal stamp showing PLAT 18CT: workshop marking common in the interwar years.
Square millegrain collet mounts: fine platinum-faced gem setting.
Angular lozenge settings framed by curved crossover shoulders: Art Deco design.

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
SA1223532
Dealers Internal Ref
V1314
Robert Harris Jewellers
Robert Harris Jewellers
Sellingantiques verified Since Aug 2020

Home of beautiful jewellery

Dealer Profile

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

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An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band.
1 / 8
Archive I An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band.

Art Deco 18ct Gold Sapphire & Diamond Dress Ring

Archive II An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band. View II
Archive III An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band. View III
Archive IV An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band. View IV
Archive V An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band. View V
Archive VI An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band. View VI
Archive VII An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band. View VII
Archive VIII An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band. View VIII
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Robert Harris Jewellers

Robert Harris Jewellers
Telephone 01923 779325
Location
139 High St
Rickmansworth
Hertfordshire
WD3 1AR
United Kingdom
Dealer Profile Page sellingantiques.co.uk/rhjewellers
Verified Since Aug 2020
Items For Sale 47
Items Sold 316
Robert Harris Jewellers
Robert Harris Jewellers
Verified Since Aug 2020
View Dealer Info
Location: 139 High St, Rickmansworth, Hertfordshire, WD3 1AR, United Kingdom
Profile: sellingantiques.co.uk/rhjewellers
Verified
Aug 2020
For Sale
47
Sold
316
An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band.
Art Deco 18ct Gold Sapphire & Diamond Dress Ring
Ref: SA1223532
An Art Deco 18ct yellow gold dress ring featuring a central round diamond flanked by two round blue sapphires set diagonally in square millegrain mounts within a bypass band.
Detail View 1
Detail View 2
Detail View 3
Detail View 4
Detail View 5
Detail View 6
Detail View 7
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, Sapphire, Diamond
  • ColourGold and Blue
  • MotifsBypass band, Millegrain borders, Trilogy setting, Geometric mounts

An Art Deco dress ring originates from the 1920s period, created from 18ct yellow gold and set with gemstones. The design presents a central old-cut diamond flanked by two deep-blue sapphires, held within square millegrain mounts arranged in a diagonal trilogy setting. A gently sweeping bypass band frames the central geometric cluster, producing a contrast between curved yellow gold metalwork and angular white mounts. The visible details include the polished gold finish of the split shank and subtle millegrain beading along the diamond and sapphire bezels. The face measures 10 mm by 13.5 mm, with a total weight of 2.9 grams and a UK ring size J ½. The condition is very good, showing light surface wear to the gold and a minor diamond chip visible under magnification.

FAQs

Art Deco jewellery, produced primarily between 1920 and 1939, is characterised by bold geometric shapes, clean symmetrical lines, contrasting gemstone colours, and white metal accents.

Rings from this era commonly feature 18ct yellow gold or platinum bands, holding brilliant or single-cut diamonds and natural blue sapphires within millegrain-bordered white metal settings.

Authentic pieces generally display period hallmarks, hand-crafted millegrain detailing, geometric openwork mounts, and period-appropriate stone cuts such as Old European or single cuts.

An Art Deco dress ring functions well as a singular statement piece on the right hand or paired alongside unadorned gold bands to contrast traditional gem-set craftsmanship with modern minimalism.

Clean gently using lukewarm water, mild washing-up liquid, and a soft cloth or soft-bristled brush, ensuring the ring is stored separately from harder gemstones to prevent abrasion.
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