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ID #SA1233298
FOR SALE
£10,000
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Antique 1.90 Carat Old Cushion & Old Pear Cut Diamond Ring, Circa 1930
For sale by Gatsby Jewellery Ltd
for sale €11,700     $12,700
£10,000
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 #SA1233298
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Antique 1.90 Carat Old Cushion & Old Pear Cut Diamond Ring, Circa 1930

1920 - 1940
Description

Diamond trilogy rings don't come more impressive than this. The chunky cushion shaped old mine cut diamond in the centre is internally clean, white and full of life and fire. A pair of old pear cuts are rubover and milgrain set either side, adding balance as well extra presence on the finger. Fine, sweeping detailing in the gallery leads to a slender platinum shank. A truly special piece of jewellery.

Accompanied by an independent jewellery report from IGR.

Cut:  Old mine cut in the centre. Old pear cuts either side.

Colour:  The centre is I. The sides are G to H.

Clarity:  The diamonds range from VVS1 to VVS2.

Carat:  The centre is a known 1.50 carat. Each of the pears is approximately 0.20 carat.

Circa:  1930.

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

Measurements:  From the tip of one pear to the other is 18.5mm. The ring is 8mm at the widest point and sits 5.4mm from the finger.

Weight:  3.26 grams.

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

Video: To view videos of this ring recorded in daylight, please copy / paste the following link into your browser: https://gatsbyjewellery.co.uk/products/antique-1-90-carat-old-cushion-old-pear-cut-diamond-ring-circa-1930

Item # 814914S401

Date of Manufacture

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

Independent Date Check ID 09633086
Dealer's Item Date1930s
Sellingantiques Date1930s
Sellingantiques agingItem 85-105 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to THE 1930s:
Pierced scroll under-gallery in platinum: fixes the setting to the inter-war period.
Stepped shoulder details on the slender band: 1930s geometric taste.
Millegrain beadwork along rub-over bezels: hand finishing of the era.
Old cushion and pear-cut diamonds with open culets: earlier stones.

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 Reference
SA1233298
Dealers Internal Reference
814914S401
Description
Diamond trilogy rings don't come more impressive than this.
“
The chunky cushion shaped old mine cut diamond in the centre is internally clean, white and full of life and fire.
Gatsby Jewellery Ltd

A pair of old pear cuts are rubover and milgrain set either side, adding balance as well extra presence on the finger. Fine, sweeping detailing in the gallery leads to a slender platinum shank. A truly special piece of jewellery.

fig 1. An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging.
fig 1. Antique 1.90 Carat Old Cushion & Old Pear Cut Diamond Ring, Circa 1930

Accompanied by an independent jewellery report from IGR.

Cut:  Old mine cut in the centre. Old pear cuts either side.

Colour:  The centre is I. The sides are G to H.

Clarity:  The diamonds range from VVS1 to VVS2.

fig 2. An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging.
fig 2. Antique 1.90 Carat Old Cushion & Old Pear Cut Diamond Ring, Circa 1930

Carat:  The centre is a known 1.50 carat. Each of the pears is approximately 0.20 carat.

Circa:  1930.

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

Measurements:  From the tip of one pear to the other is 18.5mm. The ring is 8mm at the widest point and sits 5.4mm from the finger.

fig 3. An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging.
fig 3. Antique 1.90 Carat Old Cushion & Old Pear Cut Diamond Ring, Circa 1930

Weight:  3.26 grams.

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

Video: To view videos of this ring recorded in daylight, please copy / paste the following link into your browser: https://gatsbyjewellery.co.uk/products/antique-1-90-carat-old-cushion-old-pear-cut-diamond-ring-circa-1930

Item # 814914S401

Date of Manufacture

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

Independent Date Report ID 09633086
Dealer's Item Date1930s
Sellingantiques dating1930s
Sellingantiques agingItem 85-105 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to the 1930s:
Pierced scroll under-gallery in platinum: fixes the setting to the inter-war period.
Stepped shoulder details on the slender band: 1930s geometric taste.
Millegrain beadwork along rub-over bezels: hand finishing of the era.
Old cushion and pear-cut diamonds with open culets: earlier stones.

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
SA1233298
Dealers Internal Ref
814914S401
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 bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging.
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Archive I An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging.

Antique 1.90 Carat Old Cushion & Old Pear Cut Diamond Ring, Circa 1930

Archive II An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging. View II
Archive III An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging. View III
Archive IV An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging. View IV
Archive V An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging. View V
Archive VI An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging. View VI
Archive VII An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging. View VII
Archive VIII An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging. View VIII
Archive IX An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging. 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 267
Items Sold 2,978
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
2,978
An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging.
Antique 1.90 Carat Old Cushion & Old Pear Cut Diamond Ring, circa 1930
Ref: SA1233298
An Art Deco platinum ring featuring a central bezel-set old cushion-cut diamond flanked by two pear-cut side diamonds with milgrain edging.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1920 - 1940
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsBezel setting, Milgrain detail, Three-stone design, Old cushion cut

An Art Deco platinum ring from 1930 designed in a three-stone trilogy style. The silver-coloured mounting holds a central bezel-set old cushion-cut diamond flanked by two old pear-cut side diamonds, all detailed with milgrain edging, sweeping gallery work, and a slender shank. The span from the tip of one pear diamond to the other measures 1.85 cm, the widest point across the setting is 0.8 cm, and the ring sits 0.54 cm from the finger, weighing 3.26 grams in total. It is worn on the hand as a piece of fine jewellery for daily wear or special occasions, functioning as an engagement or dress ring suitable for modern wardrobes.

FAQs

Art Deco diamond rings from the 1930s are recognised for their clean geometric symmetry, low-profile settings, and the use of white metals such as platinum or white gold. Rings from this period frequently featured hand-cut diamonds, including old cushion and old European cuts, secured in fine bezel or collet settings with milgrain detailing.

Rings during the 1930s were predominantly crafted from platinum or 18-ct white gold to achieve a bright, white finish that complemented diamonds. Jewellers used hand-piercing, milgrain edging, and rub-over bezel settings to hold stones securely while creating smooth, streamlined silhouettes.

Old cushion cut diamonds feature a squarish outline with rounded corners, a high crown, a deep pavilion, and a visible open culet at the base. Unlike modern precise machine cuts, these hand-cut stones exhibit broader facet patterns designed to reflect candlelight.

An antique diamond ring with a low profile and bezel setting pairs seamlessly alongside modern unadorned metal bands or fine stacking rings. Its geometric design allows it to function as a standalone statement piece or as an everyday engagement ring.

Clean the ring using warm water, mild dish soap, and a soft-bristled toothbrush to remove dust beneath the bezel settings. Avoid harsh chemicals or ultrasonic cleaners if the setting has delicate milgrain, and schedule periodic checks with a jeweller to ensure settings remain firm.
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