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sellingantiques.co.uk
ID #SA1120703
FOR SALE
£4,800
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Art Deco 1.20 Carat Old Cut Diamond Bombé Star Ring, Circa 1930
Gatsby Jewellery Ltd
for sale €5,616     $6,096
£4,800
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
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    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 #SA1120703
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Art Deco 1.20 Carat Old Cut Diamond Bombé Star Ring, Circa 1930

1920 - 1940
Description

A gorgeous Art Deco diamond ring, featuring a 1.20 carat (approx.) old mine cut diamond which is rubover set in platinum. Six 'rays' are carved into the gallery, which also features six smaller old mine cut diamonds within fine and intricate venting and milgrained detailing. A further two diamonds are set in the shoulders, leading to a slender platinum shank.

Accompanied by a diamond grading report from IGR.

Cut:? Old mine cuts.

Colour:? J in the centre. The smaller diamonds range from H to K.

Clarity:? The centre is I1. The smaller diamonds are SI2 to I1. All diamonds are clean to the naked eye.

Carat:? The centre is approximately 1.20 carat, with a total approximate diamond weight of 1.26 carat.

Circa:? 1930.

Size:? L (UK) or 5 1/2 (US). Free sizing available.

Measurements:? The diamond is approximately 7mm in diameter. The ring is 15.mm at the widest point and sits 6.5mm from the finger.

Weight:? 6.03 grams.

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

Item # 76113S253

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

Gatsby Jewellery Ltd has dated this Art Deco Diamond Ring to the 1930s.

Reference Numbers
Sellingantiques Reference
SA1120703
Dealers Internal Reference
76113S253
Description
A gorgeous Art Deco diamond ring, featuring a 1.20 carat (approx.) old mine cut diamond which is rubover set in platinum.
“
Six 'rays' are carved into the gallery, which also features six smaller old mine cut diamonds within fine and intricate venting and milgrained detailing.
Gatsby Jewellery Ltd

A further two diamonds are set in the shoulders, leading to a slender platinum shank.

fig 1. An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing.
fig 1. Art Deco 1.20 Carat Old Cut Diamond Bombé Star Ring, Circa 1930

Accompanied by a diamond grading report from IGR.

Cut:? Old mine cuts.

Colour:? J in the centre. The smaller diamonds range from H to K.

Clarity:? The centre is I1. The smaller diamonds are SI2 to I1. All diamonds are clean to the naked eye.

fig 2. An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing.
fig 2. Art Deco 1.20 Carat Old Cut Diamond Bombé Star Ring, Circa 1930

Carat:? The centre is approximately 1.20 carat, with a total approximate diamond weight of 1.26 carat.

Circa:? 1930.

Size:? L (UK) or 5 1/2 (US). Free sizing available.

Measurements:? The diamond is approximately 7mm in diameter. The ring is 15.mm at the widest point and sits 6.5mm from the finger.

Weight:? 6.03 grams.

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

Item # 76113S253

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

Gatsby Jewellery Ltd has dated this Art Deco Diamond Ring to the 1930s.

Reference Numbers
Sellingantiques Ref
SA1120703
Dealers Internal Ref
76113S253
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 platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing.
1 / 9
Archive I An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing.

Art Deco 1.20 Carat Old Cut Diamond Bombé Star Ring, circa 1930

Archive II An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing. View II
Archive III An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing. View III
Archive IV An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing. View IV
Archive V An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing. View V
Archive VI An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing. View VI
Archive VII An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing. View VII
Archive VIII An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing. View VIII
Archive IX An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing. View IX
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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 264
Items Sold 2,933
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
264
Sold
2,933
An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing.
Art Deco 1.20 Carat Old Cut Diamond Bombé Star Ring, circa 1930
Ref: SA1120703
An Art Deco platinum ring featuring a central old cut diamond set within a domed openwork star motif bordered by millegrain detailing.
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FAQs

Art Deco jewellery from the 1930s is characterised by geometric patterns, bold architectural shapes, and intricate pierced metalwork. Domed bombe designs and stylized starburst motifs were prominent choices during this era.

Platinum and white gold were the predominant metals used during this period, valued for their strength and cool tone. Diamonds were typically cut in Old European or transitional styles and set with fine millegrain borders.

Authentic pieces feature hand-cut period diamonds, hand-applied millegrain detailing, and crisp pierced openwork rather than modern cast reproduction features. Hallmarks and period-appropriate setting techniques also assist in identification.

An Art Deco ring functions as a statement piece that complements both structured modern tailoring and formal eveningwear. It can be worn individually as a right-hand dress ring or paired with understated contemporary metal bands.

Clean the piece gently using warm water, mild soap, and a soft-bristled brush to remove dust from openwork recesses. Avoid harsh chemicals or ultrasonic cleaners to protect delicate millegrain edges and stone settings.
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