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Art Deco Step Cut Sapphire & Diamond Ring, Circa 1920
Sold by Gatsby Jewellery Ltd
sold SA1137509
Sorry, but this item has been sold.
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 267 items
  • 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 #SA1137509
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Art Deco Step Cut Sapphire & Diamond Ring, Circa 1920

1900 - 1920
Sold 7 August 2025 · Gatsby Jewellery Ltd
This “Art Deco Step Cut Sapphire & Diamond Ring, Circa 1920” found a buyer.

It was listed by Gatsby Jewellery Ltd. 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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Sapphire Ring Ask the dealer for something similar
Description

A wonderful Art Deco sapphire and diamond ring. The centre sapphire is rubover set in platinuim and flank by six (three either side) baguette-shaped calibré cut sapphires, with fourteen eight-cut diamonds completing the cluster. Achingly stylish and beautiful.

Cut:? Square step cut sapphire in the centre, with calibré cut sapphire in the side. The diamonds are eight-cuts.

Colour:? The diamonds are F to G.

Clarity:? The sapphires are eye-clean. The diamonds are VS1 to VS2.

Carat:? The central sapphire is approximately 0.35 carat, with a total approximate sapphire weight of 0.53 carat. Approximately 0.50 carat of diamonds.

Circa:? 1920.

Size:? M (UK) or 6 (US). Free sizing available. There is a limit to how much this can be adjusted, so please contact us prior to ordering should you need this re-sized.

Weight:? 2.88 grams.

Metal:? Platinum. Tested with a Niton DXL Precious Metal Analyzer.

Item # 413413S210

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

Gatsby Jewellery Ltd has dated this Art Deco Sapphire Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1137509
Dealers Internal Reference
413413S210
Description
A wonderful Art Deco sapphire and diamond ring.
“
The centre sapphire is rubover set in platinuim and flank by six (three either side) baguette-shaped calibré cut sapphires, with fourteen eight-cut diamonds completing the cluster.
Gatsby Jewellery Ltd

Achingly stylish and beautiful.

fig 1. An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting.
fig 1. Art Deco Step Cut Sapphire & Diamond Ring, Circa 1920

Cut:? Square step cut sapphire in the centre, with calibré cut sapphire in the side. The diamonds are eight-cuts.

Colour:? The diamonds are F to G.

Clarity:? The sapphires are eye-clean. The diamonds are VS1 to VS2.

fig 2. An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting.
fig 2. Art Deco Step Cut Sapphire & Diamond Ring, Circa 1920

Carat:? The central sapphire is approximately 0.35 carat, with a total approximate sapphire weight of 0.53 carat. Approximately 0.50 carat of diamonds.

Circa:? 1920.

Size:? M (UK) or 6 (US). Free sizing available. There is a limit to how much this can be adjusted, so please contact us prior to ordering should you need this re-sized.

Weight:? 2.88 grams.

Metal:? Platinum. Tested with a Niton DXL Precious Metal Analyzer.

Item # 413413S210

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

Gatsby Jewellery Ltd has dated this Art Deco Sapphire Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1137509
Dealers Internal Ref
413413S210
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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An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting. SOLD6+ MONTHS AGO
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Archive I An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting. SOLD6+ MONTHS AGO

Art Deco Step Cut Sapphire & Diamond Ring, Circa 1920

Archive II An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting. View II
Archive III An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting. View III
Archive IV An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting. View IV
Archive V An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting. View V
Archive VI An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting. View VI
Archive VII An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting. View VII
Archive VIII An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting. View VIII
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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 267
Items Sold 2,976
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
267
Sold
2,976
An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting.
Art Deco Step Cut Sapphire & Diamond Ring, circa 1920
Ref: SA1137509
An Art Deco ring featuring a central step-cut blue sapphire flanked by calibre-cut sapphires and surrounded by round diamonds in a platinum setting.
Detail View 1
Detail View 2
Detail View 3
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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
  • MaterialPlatinum, Sapphire, Diamond
  • ColourBlue and Silver
  • MotifsGeometric cluster, Step-cut center stone, Millegrain detailing, Calibre-cut accents
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

FAQs

Art Deco jewellery is characterised by geometric shapes, clean symmetrical lines, stylised motifs, and a strong emphasis on contrasting colours and materials like diamonds paired with calibrated sapphires or rubies.

Platinised metals and platinum became highly fashionable during this era due to their strength and ability to hold delicate millegrain work, frequently paired with diamonds, sapphires, emeralds, and rubies.

Authentic pieces often exhibit period-appropriate stone cuts such as old European, single, or step cuts, hand-crafted millegrain detailing, subtle signs of age under magnification, and traditional jeweller marks or hallmarks relevant to the period.

An antique ring can be worn alone as a statement cocktail piece or paired with minimalist contemporary wedding bands to create a balanced, curated stacking effect that highlights its historical character.

Store antique jewellery in a fabric-lined box away from other pieces to prevent scratching, clean gently using warm soapy water and a soft brush, and have setting integrity checked periodically by a professional jeweller.
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