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Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring
Sold by The Chelsea Bijouterie Ltd
sold SA1135447
Sorry, but this item has been sold.

The Chelsea Bijouterie Ltd

Sellingantiques Verified Since Nov 2018
Browse dealers 175 items
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Id #SA1135447
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Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring

1900 - 1920
Sold 26 April 2025 · The Chelsea Bijouterie Ltd
This “Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring” found a buyer.

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

Find more for sale
Blue Sapphire ClusterCushion Cut SapphireDiamond and Sapphire Ring Ask the dealer for something similar
Description

Spectacular sapphire & diamond Art Deco ring

This 18ct gold & platinum French ring dates to the roaring 1920s

Set to the centre with a gorgeous cushion shaped velvety blue sapphire

It is surrounded by a boarder of sparkling Swiss cut diamonds

The geometric design is completed with three square cut sapphires to each corner

The stones are all collet set in a platinum edged with pretty millegrain detail

They are set above an extremely attractive 18ct gold corbeille

This fabulous ring sits so comfortable on the finger and looks stunning

Central sapphire 9mm x 8mm circa 2.75 carat

16 x 2mm diamond weight is about 1/2 carat.

Colour H, clarity SI.

The head measures 14mm x 15.5mm at its widest point

It stands 5 mm proud of the shank.

It weighs 3.6 grams

French hallmarked 18ct gold (eagles head on outside of shank)

This ring dates to the Art Deco period

It is size UK N 1/2 USA 7 It would easily re size

It is in excellent original condition

our ref: 2061

Shipping:

We post free of charge

All items are sent fully insured, tracked and signed for. We live between UK and France so delivery times will vary.

Terms of Sale:

We are totally committed to customer satisfaction. We take great care to give accurate and detailed descriptions accompanied by high definition photos. If you are not entirely happy with your purchase we will gladly offer you a full refund. Please return within 14 days of receipt of your purchase.

About Us:

We have years of knowledge and experience in dealing in antiques and antique & designer jewellery. We are committed to giving exceptional customer service. The Chelsea Bijouterie aims to offer beautiful and interesting items at affordable prices.

Date of Manufacture

The Chelsea Bijouterie Ltd has dated this Art Deco Sapphire Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1135447
Dealers Internal Reference
2061
Description
Spectacular sapphire & diamond Art Deco ring

This 18ct gold & platinum French ring dates to the roaring 1920s

Set to the centre with a gorgeous cushion shaped velvety blue sapphire

It is surrounded by a boarder of sparkling Swiss cut diamonds

fig 1. An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band.
fig 1. Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring

The geometric design is completed with three square cut sapphires to each corner

The stones are all collet set in a platinum edged with pretty millegrain detail

They are set above an extremely attractive 18ct gold corbeille

fig 2. An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band.
fig 2. Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring

This fabulous ring sits so comfortable on the finger and looks stunning

Central sapphire 9mm x 8mm circa 2.75 carat

16 x 2mm diamond weight is about 1/2 carat.

Colour H, clarity SI.

The head measures 14mm x 15.5mm at its widest point

fig 3. An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band.
fig 3. Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring

It stands 5 mm proud of the shank.

It weighs 3.6 grams

French hallmarked 18ct gold (eagles head on outside of shank)

This ring dates to the Art Deco period

It is size UK N 1/2 USA 7 It would easily re size

fig 4. An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band.
fig 4. Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring

It is in excellent original condition

our ref: 2061

Shipping:

We post free of charge

All items are sent fully insured, tracked and signed for. We live between UK and France so delivery times will vary.

Terms of Sale:

fig 5. An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band.
fig 5. Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring

We are totally committed to customer satisfaction. We take great care to give accurate and detailed descriptions accompanied by high definition photos. If you are not entirely happy with your purchase we will gladly offer you a full refund. Please return within 14 days of receipt of your purchase.

fig 6. An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band.
fig 6. Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring

About Us:

We have years of knowledge and experience in dealing in antiques and antique & designer jewellery. We are committed to giving exceptional customer service. The Chelsea Bijouterie aims to offer beautiful and interesting items at affordable prices.

Date of Manufacture

The Chelsea Bijouterie Ltd has dated this Art Deco Sapphire Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1135447
Dealers Internal Ref
2061
The Chelsea Bijouterie Ltd
Sellingantiques verified Since Nov 2018
Dealer Profile

You can view the stock and full dealer information on the The Chelsea Bijouterie Ltd Profile Page

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An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. SOLD6+ MONTHS AGO
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Archive I An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. SOLD6+ MONTHS AGO

Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring

Archive II An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View II
Archive III An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View III
Archive IV An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View IV
Archive V An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View V
Archive VI An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View VI
Archive VII An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View VII
Archive VIII An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View VIII
Archive IX An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View IX
Archive X An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View X
Archive XI An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band. View XI
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The Chelsea Bijouterie Ltd
Telephone 07949 058 591
Location
85 Great Portland Street
London
W1W 7LT
United Kingdom
Dealer Profile Page sellingantiques.co.uk/thechelseabijouterie
Verified Since Nov 2018
Items For Sale 175
Items Sold 890
The Chelsea Bijouterie Ltd
Verified Since Nov 2018
View Dealer Info
Location: 85 Great Portland Street, London, W1W 7LT, United Kingdom
Profile: sellingantiques.co.uk/thechelseabijouterie
Verified
Nov 2018
For Sale
175
Sold
890
An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band.
Sapphire Diamond Ring Art Deco French 1920s 18ct Gold and Platinum Antique Cluster Ring
Ref: SA1135447
An antique Art Deco cluster ring featuring a central cushion-cut blue sapphire surrounded by diamonds and accented with calibre-cut sapphires, set in platinum on an 18ct gold band.
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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, Sapphire, Diamond
  • ColourBlue and White
  • MotifsGeometric cluster setting, Calibre-cut corner sapphires, Millegrain detailing

FAQs

Art Deco jewellery is characterised by geometric symmetry, stylised motifs, clean lines, and a heavy contrast of materials such as diamonds paired with calibre-cut coloured gemstones.

French jewellers of this era frequently utilised a combination of platinum for durable, intricate settings and yellow gold for the shank, often incorporating millegrain detailing.

Authentication involves examining hand-cut gemstones, old European or single-cut diamonds, subtle hand-carved hallmarks, and period-appropriate metal oxidation and wear patterns.

An antique cocktail or cluster ring works well as a standalone statement piece or paired with minimalist contemporary bands to highlight its historical craftsmanship.

Clean gently using warm water, mild soap, and a soft brush, avoiding harsh ultrasonic cleaners and abrasive chemicals, and store separately in a fabric-lined box.
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