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ID #SA1103995
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Art Deco 6.35 Carat Ceylon Star Sapphire & Old Cut Diamond Ring, Circa 1920
Sold by Gatsby Jewellery Ltd
sold SA1103995
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 #SA1103995
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Art Deco 6.35 Carat Ceylon Star Sapphire & Old Cut Diamond Ring, Circa 1920

1900 - 1920
Sold 5 April 2025 · Gatsby Jewellery Ltd
This “Art Deco 6.35 Carat Ceylon Star Sapphire & Old Cut 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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Ceylon Sapphire Jewellery Ask the dealer for something similar
Description

An awesome vintage star sapphire ring. The grey-ish blue cabochon sapphire in the centre - certified as natural, unheated and from Ceylon (Sri Lanka) - displays a strong and clear asterism in daylight. The stone is rubover set in yellow gold and flanked by a pair of high white and internally clean old mine cut diamonds, also in rubover settings, leading to slim and tapering yellow gold shank.

Accompanied by a report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and is Sri Lankan (Ceylon) in origin.

Cut:? Oval cabochon sapphire and old mine cut diamonds.

Colour:? The diamonds are VS1 to VS2.

Clarity:? The diamonds are G to H.

Carat:? The sapphire is 6.35 carat. The diamonds are approximately 0.15 carat each.

Circa:? 1920.

Size:? N (UK) or 6.5 (US). Free sizing available.

Measurements:? The sapphire is 10.37 x 8.65mm. From the outer edge of one diamond to the other is 16.9mm. The ring is 11.3mm at the widest point and sits 7.00mm from the finger.

Weight:? 4.17 grams.

Metal:? 18k yellow gold. Tested with a Niton DXL Precious Metal Analyzer.

Item # 4121112S039

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
SA1103995
Dealers Internal Reference
4121112S039
Description
An awesome vintage star sapphire ring.
“
The grey-ish blue cabochon sapphire in the centre - certified as natural, unheated and from Ceylon (Sri Lanka) - displays a strong and clear asterism in daylight.
Gatsby Jewellery Ltd

The stone is rubover set in yellow gold and flanked by a pair of high white and internally clean old mine cut diamonds, also in rubover settings, leading to slim and tapering yellow gold shank.

fig 1. A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds.
fig 1. Art Deco 6.35 Carat Ceylon Star Sapphire & Old Cut Diamond Ring, Circa 1920

Accompanied by a report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and is Sri Lankan (Ceylon) in origin.

Cut:? Oval cabochon sapphire and old mine cut diamonds.

fig 2. A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds.
fig 2. Art Deco 6.35 Carat Ceylon Star Sapphire & Old Cut Diamond Ring, Circa 1920

Colour:? The diamonds are VS1 to VS2.

Clarity:? The diamonds are G to H.

Carat:? The sapphire is 6.35 carat. The diamonds are approximately 0.15 carat each.

Circa:? 1920.

Size:? N (UK) or 6.5 (US). Free sizing available.

fig 3. A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds.
fig 3. Art Deco 6.35 Carat Ceylon Star Sapphire & Old Cut Diamond Ring, Circa 1920

Measurements:? The sapphire is 10.37 x 8.65mm. From the outer edge of one diamond to the other is 16.9mm. The ring is 11.3mm at the widest point and sits 7.00mm from the finger.

Weight:? 4.17 grams.

Metal:? 18k yellow gold. Tested with a Niton DXL Precious Metal Analyzer.

Item # 4121112S039

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
SA1103995
Dealers Internal Ref
4121112S039
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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A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. SOLD6+ MONTHS AGO
1 / 11
Archive I A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. SOLD6+ MONTHS AGO

Art Deco 6.35 Carat Ceylon Star Sapphire & Old Cut Diamond Ring, Circa 1920

Archive II A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View II
Archive III A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View III
Archive IV A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View IV
Archive V A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View V
Archive VI A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View VI
Archive VII A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View VII
Archive VIII A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View VIII
Archive IX A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View IX
Archive X A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View X
Archive XI A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds. View XI
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Enlarged Archival View
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
A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds.
Art Deco 6.35 Carat Ceylon Star Sapphire & Old Cut Diamond Ring, circa 1920
Ref: SA1103995
A close-up shot of an Art Deco gold ring featuring a central oval cabochon star sapphire flanked by two old-cut diamonds.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialGold, Sapphire, Diamond
  • ColourBlue
  • MotifsCabochon cut, Bezel setting, Old-cut diamonds, Geometric shoulders
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

FAQs

Art Deco jewellery, prominent during the 1920s and 1930s, is characterised by geometric lines, symmetrical patterns, stylised motifs, and a strong modernist influence that broke away from the flowing curves of the preceding Edwardian and Art Nouveau periods.

Jewellery from this era frequently utilised platinum, yellow gold, and white gold, often set with diamonds, sapphires, rubies, and emeralds, with special emphasis on distinctive cuts such as old European, old mine, and cabochon.

Authentic pieces typically feature period-appropriate metal fabrication, hand-cut gemstones with unique facets or optical properties like asterism in star sapphires, and subtle wear consistent with age, alongside appropriate hallmarks where applicable.

An antique cocktail ring serves as a striking statement piece that can add historic character and distinctive colour to contemporary minimalist ensembles or complement evening attire with vintage flair.

Regular professional inspections of the setting integrity are recommended, alongside gentle cleaning with warm soapy water and a soft brush, avoiding harsh chemical ultrasonic cleaners particularly for treated or organic gems.
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